UL 1449 Third Edition Surge Suppressors
Last Updated: April 1, 2025
Description
UL 1449 Third Edition Surge Suppressors are devices designed to protect electrical equipment from voltage spikes by limiting the voltage supplied to an electric device by either blocking or shorting to ground any unwanted voltages above a safe threshold.
Working Principle
Surge suppressors operate by detecting voltage spikes and diverting excess voltage away from the protected equipment. They typically use components such as metal oxide varistors (MOVs) to clamp the voltage to a safe level. When a surge occurs, the suppressor activates, allowing the excess energy to be absorbed or redirected, thus preventing damage to the connected devices. This makes them particularly useful in safeguarding sensitive electronic equipment from transient voltage spikes caused by lightning strikes, power outages, or other electrical disturbances.
Applications
UL 1449 Third Edition Surge Suppressors are used in various settings to protect equipment from power surges. Specific examples include:
- Service Entrances: Type 1 SPDs are installed at service entrances to protect against external surges.
- Branch Panels: Type 2 SPDs are used on the load side of the main disconnect or in branch panels.
- Equipment Level: Type 3 SPDs are used directly at the equipment level to provide localized protection.
- Component Assemblies: Type 4 SPDs are used as components or assemblies without enclosures, tailored for specific devices.
Advantages over other Surge Suppressors
UL 1449 Third Edition Surge Suppressors offer several advantages:
- Rigorous Testing: They undergo comprehensive testing, including pulse life tests and duty cycle tests, ensuring reliability and performance under multiple transient events .
- Categorization: The classification into four types allows for tailored protection based on the specific needs and locations of use, enhancing their effectiveness .
Limitations
One limitation of UL 1449 Third Edition Surge Suppressors is that they may not provide adequate protection if not properly matched to the specific surge exposure levels of the application. Additionally, they require regular maintenance and testing to ensure continued effectiveness, as their components can degrade over time due to repeated exposure to surges.
Considerations
When selecting and using UL 1449 Third Edition Surge Suppressors, consider the following:
- Initial Costs: The cost can vary based on the type and capacity of the suppressor needed for specific applications.
- Operating Expense: While generally low, operating expenses can increase if frequent maintenance or replacements are required due to high exposure to surges.
- Durability: The durability of the suppressor is contingent on the frequency and magnitude of surges it encounters. Regular testing and maintenance are crucial to ensure longevity.
- Replacement and Maintenance Costs: Over time, components like MOVs may need replacement, which can incur additional costs. Regular inspections are recommended to assess the condition and performance of the suppressors.
from Eaton | Power Quality
Eaton's PSPD series surge protectors are the latest and most advanced UL 1449 3rd Edition certified surge protection devices. Application of PSPD Series units throughout a facility will ensure that equipment is protected with the safest and most reliable surge protective devices available. PSPD... [See More]
- Standards: UL 1449 Third Edition
- Technology: Metal Oxide Varistor
- Device Type: Three Phase
- Mounting: Standalone
from CITEL SURGE PROTECTION
These surge protector units are designed to protect a single-phase input and are recommended for mounting on a board or in a utility box. This series lets you choose a product by housing (metal or plastic), dimensions, performance, connection mode (series or parallel), or type of connection (wires... [See More]
- Standards: UL 1449 Third Edition; CE Marking; UL; N EN 61643-11
- Technology: Metal Oxide Varistor
- Device Type: Single Phase
- Mounting: Wall/Panel; Plate
from Legrand
120/208 VAC 3 Phase, Wye, 4 Wire and Ground, Panel TVSS Unit. FEATURES. Meets UL Standard for Safety for Surge Protection Devices, UL1449 3rd Edition (effective September 29, 2009). P &S Panel TVSS Units meet the newest standard, bringing stronger protection to virtually any residential,... [See More]
- Standards: UL 1449 Third Edition; UL
- Mounting: Wall/Panel
- Device Type: SPD
- Application: Telecom. Applications; Audio & Video Applications; Computer Rooms; Industrial / Residential / Commercial
from Surge Suppression Incorporated
Advantage panel Protection Series, Nema 1, Frequency Responsive Circuitry / Voltage Response Circuitry (Sine Wave Tracking) [See More]
- Standards: UL 1449 Third Edition; ANSI; CE Marking; CSA Mark; UL; ISO 9001:2005
- Technology: Hybrid
- Device Type: SPD; Single Phase
- Mounting: Device Mount
from ASCO Power Technologies
Industrial computers, PLCs, and sensitive instrumentation are at the heart of today's automation systems. Maintaining reliability and uptime are essential to the processes running on the factory floor. Semiconductor technology has advanced over the last several decades increasing equipment's... [See More]
- Standards: UL 1449 Third Edition; ANSI; CE Marking; IEC; IEEE; UL; RoHS
- Technology: Metal Oxide Varistor
- Device Type: SPD; Single Phase
- Mounting: DIN Rail
from MCG SURGE PROTECTION
Max. Continuous Operating VAC: 130% Rated Line Voltage. Response Time: <5 Nanoseconds. Modes of Protection: L-N, L-G, N-G. Surge Current (8x20us): 1 Event - 10kA, 100 Events - 2kA, 1000 Events - 1kA, 10,000 Events - 500A. Status Indicators: Green LED. Operating Altitude: 13,000 ft. (4000m). Temp. [See More]
- Standards: UL 1449 Third Edition; UL 1449 Second Edition; CE Marking
- Technology: Metal Oxide Varistor
- Device Type: SPD; Single Phase
- Mounting: Wall/Panel; DIN Rail (optional feature); Device Mount; In-line or Integrally Attached
from Specialty Product Technologies
STABILINE ® DIN1 Plus Series Din-Rail or Wall Mount Surge Protective Devices for use in Parallel or Series AC or DC single phase, 2-wire plus ground applications. [See More]
- Standards: UL 1449 Third Edition
- Technology: Metal Oxide Varistor
- Device Type: SPD
- Mounting: DIN Rail
from CITEL SURGE PROTECTION
The DS2x0-xxDC surge protector is designed to protect equipment connected to DC power supply (or AC) against lightning surges. These devices are based on high energy varistors (MOV) matched with the DC operating voltage (from 12 to 350 Vdc). The MOV are equipped with internal thermal disconnectors... [See More]
- Standards: UL 1449 Third Edition; CE Marking; IEC; UL; EN 61643-11 : Europe
- Mounting: Symmetrical Rail 35 mm
- Technology: Metal Oxide Varistor
- Operating Temp: -40 to 185
from Legrand
120/208 VAC, Three Phase, Wye, 4 Wire plus Ground, Light-Duty Panel TVSS Unit. FEATURES. Meets UL Standard for Safety for Surge Protection Devices, UL1449 3rd Edition (effective September 29, 2009). P &S Panel TVSS Units meet the newest standard, bringing stronger protection to virtually any... [See More]
- Standards: UL 1449 Third Edition; UL
- Mounting: Wall/Panel
- Device Type: SPD
- Application: Telecom. Applications; Audio & Video Applications; Computer Rooms; Industrial / Residential / Commercial
from Surge Suppression Incorporated
Advantage panel Protection Series, Nema 1, Frequency Responsive Circuitry / Voltage Response Circuitry (Sine Wave Tracking) [See More]
- Standards: UL 1449 Third Edition; ANSI; CE Marking; CSA Mark; UL; ISO 9001:2005
- Technology: Hybrid
- Device Type: SPD; Single Phase
- Mounting: Device Mount
from ASCO Power Technologies
The SPDee Series utilizes large Block 50kA Thermal Protected MOV ’s with surge current levels of 50kA per mode. The unit is a perfect replacement to the obsolete surge arrestors. With a small, compact design and line or load side installation flexibility, this unit can be installed anywhere in... [See More]
- Standards: UL 1449 Third Edition; ANSI; CE Marking; IEC; IEEE; UL
- Technology: Metal Oxide Varistor
- Device Type: SPD; Single Phase
- Mounting: Wall/Panel (optional feature); DIN Rail (optional feature); Pipe Nipple
from MCG SURGE PROTECTION
Features: 120LS: I peak=120,000A/Phase (8 x 20 μs waveform). UL1449 3rd Edition. NEMA LS1-1992. Three times redundant protection paths per phase. Employs new 40kA varistors with built in high-speed thermal disconnect. Solid copper bus bar construction. Field-replaceable modules. EMI/RFI noise... [See More]
- Standards: UL 1449 Third Edition; UL 1449 Second Edition; ANSI; CE Marking; IEC; IEEE
- Technology: Metal Oxide Varistor
- Device Type: SPD; Single Phase
- Mounting: Wall/Panel; Device Mount
from CITEL SURGE PROTECTION
Type 2 AC Power Surge Protector. Imax: 80-200kA per phase. Protects All Modes. On Board Diagnostics: LED indicators, Audible Alarm, and Remote Contacts. EMI/RFI Noise Filtering. Sinewave Tracking. UL 1449 3rd Edition Listed. Optional Surge Counter [See More]
- Standards: UL 1449 Third Edition; UL
- Mounting: Wall/Panel
- Device Type: SPD; Three Phase
- Application: Service Entrance
from Legrand
120/208 VAC, 3 Phase, Wye, 4 Wire and Ground, Medium-Duty Panel TVSS Unit. FEATURES. Meets UL Standard for Safety for Surge Protection Devices, UL1449 3rd Edition (effective September 29, 2009). P &S Panel TVSS Units meet the newest standard, bringing stronger protection to virtually any... [See More]
- Standards: UL 1449 Third Edition; UL
- Mounting: Wall/Panel
- Device Type: SPD
- Application: Telecom. Applications; Audio & Video Applications; Computer Rooms; Industrial / Residential / Commercial
from Surge Suppression Incorporated
Advantage panel Protection Series, Nema 1, Frequency Responsive Circuitry / Voltage Response Circuitry (Sine Wave Tracking) [See More]
- Standards: UL 1449 Third Edition; ANSI; CE Marking; CSA Mark; UL; ISO 9001:2005
- Technology: Hybrid
- Device Type: SPD; Single Phase
- Mounting: Device Mount
from ASCO Power Technologies
With surge current levels of 100kA, 150kA, 200kA, 250kA, 300kA, 400kA and 500kA per phase, our XAL Series is the SPD that covers most current SPD needs. With one replaceable module per unit containing Large Block 50kA Thermal Protected MOV ’s, this units low cost, reliability, flexibility and... [See More]
- Standards: UL 1449 Third Edition; ANSI; IEC; IEEE; UL; RoHS
- Technology: Metal Oxide Varistor
- Device Type: SPD; Single Phase
- Mounting: Wall/Panel
from MCG SURGE PROTECTION
Features: 120,000 amps per phase. UL1449 3rd Edition. Field-replaceable, high capability protection modules with lifetime replacement warranty. High performance, low inductance MicroZ ™ -installed cable. (Click here). Event counter and front panel LEDs for status indication. LED internal... [See More]
- Standards: UL 1449 Third Edition; UL 1449 Second Edition; CE Marking
- Technology: Metal Oxide Varistor
- Device Type: SPD; Single Phase
- Mounting: Wall/Panel; Device Mount
from CITEL SURGE PROTECTION
CITEL model DS250VG is a heavy duty AC Surge Protection Device (SPD) for high risk, low tolerance electrical service entrance applications. The DS250VG provides protection against the direct and indirect effects of lightning and is particularly useful in a high lightning area where the risk of heavy... [See More]
- Standards: UL 1449 Third Edition; CE Marking; CSA Mark; IEC; UL; EN 61643-11: Europe; NF EN 61643-11: France; DVE
- Technology: VG Technology for Maximum Performance
- Device Type: SPD; Single Phase; Three Phase
- Mounting: Symmetrical Rail 35 mm
from Legrand
120/240 VAC 3 Wire and Ground Single Phase Heavy-Duty Panel TVSS Unit. FEATURES. Meets UL Standard for Safety for Surge Protection Devices, UL1449 3rd Edition (effective September 29, 2009). P &S Panel TVSS Units meet the newest standard, bringing stronger protection to virtually any... [See More]
- Standards: UL 1449 Third Edition; UL
- Mounting: Wall/Panel
- Device Type: SPD
- Application: Telecom. Applications; Audio & Video Applications; Computer Rooms; Industrial / Residential / Commercial
from Surge Suppression Incorporated
Individual Circuit Protection Series 2 [See More]
- Standards: UL 1449 Third Edition; CSA Mark; ISO 9001:2008
- Technology: Hybrid
- Device Type: SPD; Dataline & DC Signal (optional feature); Single Phase
- Mounting: DIN Rail (optional feature); Device Mount; In-line or Integrally Attached
from ASCO Power Technologies
Our largest, highest kA SPD, the XBL Series utilizes two separate, dual redundant replaceable modules that work in parallel. With Large Block 50kA Thermal Protected MOV ’s with surge current levels of 600kA, 800kA and 1000kA per phase, this unit is for those “Mission Critical ”... [See More]
- Standards: UL 1449 Third Edition; ANSI; CE Marking; IEC; IEEE; UL; RoHS
- Technology: Metal Oxide Varistor
- Device Type: SPD; Three Phase
- Mounting: Wall/Panel
from MCG SURGE PROTECTION
Features: 120,000 amps per phase. UL1449 3rd Edition. Field-replaceable, high capability protection modules with lifetime replacement warranty. 8 Ft. installed cable. Front panel LED's for status indication. LED internal diagnostics for on-site maintenance. Audible fault alarm with mute switch. All... [See More]
- Standards: UL 1449 Third Edition; UL 1449 Second Edition; ANSI; CE Marking; IEC; IEEE
- Technology: Metal Oxide Varistor
- Device Type: SPD; Single Phase
- Mounting: Wall/Panel; Device Mount
from CITEL SURGE PROTECTION
CITEL model DS150E is a heavy duty AC Surge Protection Device (SPD) for high exposure applications such as direct lightning strikes, capacitor bank switching and large inductive loads. The DS150E is a single pole device that incorporated a multi-varistor circuit. It offers unmatched mechanical... [See More]
- Standards: UL 1449 Third Edition; CE Marking; CSA Mark; IEC; UL; EN 61643-11: Europe; NF EN 61643-11: France
- Technology: Metal Oxide Varistor
- Device Type: SPD; Single Phase; Three Phase
- Mounting: Symmetrical Rail 35 mm
from Legrand
120/240 VAC, 3 Wire and Ground, Single Phase Light Duty TVSS Unit. FEATURES. Meets UL Standard for Safety for Surge Protection Devices, UL1449 3rd Edition (effective September 29, 2009). P &S Panel TVSS Units meet the newest standard, bringing stronger protection to virtually any residential,... [See More]
- Standards: UL 1449 Third Edition; UL
- Mounting: Wall/Panel
- Device Type: SPD
- Application: Telecom. Applications; Audio & Video Applications; Computer Rooms; Industrial / Residential / Commercial
from Surge Suppression Incorporated
Residential Grade Panel Protection Series [See More]
- Standards: UL 1449 Third Edition; ANSI; CE Marking; CSA Mark; ISO 9001:2005
- Technology: Hybrid
- Device Type: SPD; Single Phase
- Mounting: Device Mount
from ASCO Power Technologies
The XCS Series utilizes large Block 50kA Thermal Protected MOV ’s with surge current levels of 100kA per phase. With a compact economical design and line or load side installation flexibility, this unit can be installed anywhere in any electrical distribution system. FEATURES: UL 1449 Third... [See More]
- Standards: UL 1449 Third Edition; ANSI; CE Marking; IEC; IEEE; UL; RoHS
- Technology: Metal Oxide Varistor
- Device Type: SPD; Single Phase
- Mounting: Wall/Panel
from MCG SURGE PROTECTION
Features: 200,000 amps per phase. UL1449 3rd Edition. Independent lab tested modules. NEMA LS 1 Tested. Redundant modular protection withstands multiple lightning strikes. Solid copper bus bar construction for minimal impedance and enhanced current sharing. High performance, low inductance. Micro-Z... [See More]
- Standards: UL 1449 Third Edition; UL 1449 Second Edition; ANSI; CE Marking; IEC; IEEE
- Technology: Metal Oxide Varistor
- Device Type: SPD; Single Phase
- Mounting: Wall/Panel; Device Mount
from CITEL SURGE PROTECTION
DS60VGPV is a Type 1 Component Assembly (Type 1CA) Surge Protective Device (SPD) for High risk DC power applications up to 1500Vdc. The DS60VGPV provides protection against the direct and indirect effects of lightning and has a unique no leakage current design. CITEL ’s patented hybrid Metal... [See More]
- Standards: UL 1449 Third Edition; UL; UTE C61-740-51: France, EN 50539-11: Euro
- Technology: Metal Oxide Varistor; Gas Tubes; Hybrid
- Device Type: SPD
- Mounting: Symmetrical Rail 35 mm
from Legrand
120/240 VAC, 3 wire and ground, Single Phase Medium-Duty TVSS Panel Unit. FEATURES. Meets UL Standard for Safety for Surge Protection Devices, UL1449 3rd Edition (effective September 29, 2009). P &S Panel TVSS Units meet the newest standard, bringing stronger protection to virtually any... [See More]
- Standards: UL 1449 Third Edition; CE Marking; CSA Mark; UL
- Mounting: Wall/Panel
- Device Type: SPD
- Application: Telecom. Applications; Audio & Video Applications; Computer Rooms; Industrial / Residential / Commercial
from ASCO Power Technologies
The XDS Series utilizes large Block 50kA Thermal Protected MOV ’s with surge current levels of 100kA, 150kA and 200kA per phase. With line or load side installation flexibility, this unit is a great fit from the service entrance all the way down to each distribution and/or branch panel. [See More]
- Standards: UL 1449 Third Edition; ANSI; CE Marking; IEC; IEEE; UL; RoHS
- Technology: Metal Oxide Varistor
- Device Type: SPD; Single Phase
- Mounting: Wall/Panel
from MCG SURGE PROTECTION
Features: 200,000 amps per phase, 8x20 us. Date & time of last event it handled/diverted displayed. Independent lab tested modules. UL1449 3rd Edition. NEMA LS 1. Redundant modular protection withstands multiple lightning strikes. Solid copper bus bar construction for minimal impedance and... [See More]
- Standards: UL 1449 Third Edition; UL 1449 Second Edition; ANSI; CE Marking; IEC; IEEE
- Technology: Metal Oxide Varistor
- Device Type: SPD; Single Phase
- Mounting: Wall/Panel; Device Mount
from CITEL SURGE PROTECTION
CITEL model DS40 is a standard duty AC Surge Protector (SPD) used in distribution or control panel applications. The DS40 is a single pole module that can be combined with other DS40 modules or a DS40G (N-G Mode Only) module. It is configurable for all 1, 2, and 3 phase application up to 480V AC. [See More]
- Standards: UL 1449 Third Edition; CE Marking; CSA Mark; IEC; UL; EN 61643-11: Europe; NF EN 61643-11: France
- Mounting: Symmetrical Rail 35 mm
- Device Type: SPD; Single Phase; Three Phase
- Application: Equipment Level
from Legrand
277/480 VAC 3 Phase, Wye, 4 Wire and Ground, Heavy-Duty Panel TVSS Unit. FEATURES. Meets UL Standard for Safety for Surge Protection Devices, UL1449 3rd Edition (effective September 29, 2009). P &S Panel TVSS Units meet the newest standard, bringing stronger protection to virtually any... [See More]
- Standards: UL 1449 Third Edition; CE Marking; CSA Mark; UL
- Mounting: Wall/Panel
- Device Type: SPD
- Application: Telecom. Applications; Audio & Video Applications; Computer Rooms; Industrial / Residential / Commercial
from ASCO Power Technologies
The XRL Series utilizes uni-modular replaceable module design with Large Block 50kA Thermal Protected MOV ’s with surge current levels of 100kA, 150kA, 200kA, 250kA and 300kA per phase. FEATURES: UL 1449 Third Edition Listed. Directly Connected, Discrete Protection Elements Between All... [See More]
- Standards: UL 1449 Third Edition; ANSI; CE Marking; IEC; IEEE; UL; RoHS
- Technology: Metal Oxide Varistor
- Device Type: SPD; Single Phase
- Mounting: Device Mount
from MCG SURGE PROTECTION
Features: 400,000 Amps per phase 8x20 us. Date & time of last event it handled/diverted displayed. Independent lab tested modules. UL1449 3rd Edition. NEMA LS 1 Tested. High capability redundant modular protection withstands multiple lightning strikes. Solid copper bus bar construction for... [See More]
- Standards: UL 1449 Third Edition; UL 1449 Second Edition; ANSI; CE Marking; IEC; IEEE
- Technology: Metal Oxide Varistor
- Device Type: SPD; Single Phase
- Mounting: Wall/Panel; Device Mount
from CITEL SURGE PROTECTION
CITEL model DS70RS is a standard duty AC Surge Protector (SPD) used in distribution or control panel applications. The DS70RS is a single pole module. It is configurable for all 1, 2, and 3 phase application up to 70kA. UL1449 3rd Edition. (UL1449 4th Edition - Type 1CA for -400, -600 *Other... [See More]
- Standards: UL 1449 Third Edition; CE Marking; CSA Mark; IEC; UL; EN 61643-11: Europe; NF EN 61643-11: France
- Technology: Metal Oxide Varistor
- Device Type: SPD; Single Phase; Three Phase
- Mounting: Symmetrical Rail 35 mm
from Legrand
Power & TVSS Strip 10 Outlets, 1100J Rating SURGE/COAX/PHONE, 8' Cord, Block Housing. FEATURES. 400V clamping voltage. UL1449 listed. Heavy-duty cord from 3 ft. to 15 ft., depending on device. Multiple function protection available for power, phone, fax, modem, coax, or data. Extremely long life... [See More]
- Standards: UL 1449 Third Edition; UL
- Mounting: Power Strip
- Device Type: SPD; Plug-in Style
- Application: Telecom. Applications
from ASCO Power Technologies
Our highest kA internal-mount SPD, the XWL Series utilizes uni-modular replaceable module design with Large Block 50kA Thermal Protected MOV ’s with surge current levels of 300kA, 400kA, and 500kA per phase. This unit is for those “Mission Critical ” environments. FEATURES: UL 1449... [See More]
- Standards: UL 1449 Third Edition; ANSI; CE Marking; IEC; IEEE; UL; RoHS
- Technology: Metal Oxide Varistor
- Device Type: SPD; Single Phase
- Mounting: Device Mount
from MCG SURGE PROTECTION
Features: I peak=120,000A/Phase (8 x 20 μs waveform). UL1449 3rd Edition Listed. Triple redundant - three fused surge paths/phase. Remote 1 Form C relay contacts with status LED. Neutral to Ground voltage monitor. Front panel protection status LEDs. Low profile design. All modes protected. [See More]
- Standards: UL 1449 Third Edition; UL 1449 Second Edition; ANSI; CE Marking; IEC; IEEE
- Technology: Metal Oxide Varistor
- Device Type: SPD; Single Phase
- Mounting: Wall/Panel; DIN Rail (optional feature); Device Mount
from CITEL SURGE PROTECTION
CITEL model DS240 surge protectors are used mainly for distribution panels of single-phase and three-phase networks. They provide common-mode protection (between the active conductors and ground) and are available with an option remote alarm. The DS240 is built with a plug-in module and a fixed... [See More]
- Standards: UL 1449 Third Edition; CE Marking; CSA Mark; IEC; UL; EN 61643-11: Europe; NF EN 61643-11: France
- Mounting: Symmetrical Rail 35 mm
- Device Type: SPD; Single Phase; Three Phase; Plug-in Style
- Application: Equipment Level
from Legrand
TVSS Power Outlet 15A 125V 7 Outlet 740J, 6' Cord, PC Gray. FEATURES. 400V clamping voltage. UL1449 listed. Heavy-duty cord from 3 ft. to 15 ft., depending on device. Multiple function protection available for power, phone, fax, modem, coax, or data. Extremely long life with dependable protection. [See More]
- Standards: UL 1449 Third Edition; UL
- Mounting: Power Strip
- Device Type: SPD; Plug-in Style
- Application: Telecom. Applications
from MCG SURGE PROTECTION
Features: I peak=160,000A/Phase (8 x 20 μs waveform). UL1449 3rd Edition Listed. Triple redundant - three fused surge paths/phase. Remote 1 Form C relay contacts with status LED. Neutral to Ground voltage monitor. Front panel protection status LEDs. Low profile design. All modes protected. [See More]
- Standards: UL 1449 Third Edition; UL 1449 Second Edition; ANSI; CE Marking; IEC; IEEE
- Technology: Metal Oxide Varistor
- Device Type: SPD; Single Phase
- Mounting: Wall/Panel; DIN Rail (optional feature); Device Mount
from CITEL SURGE PROTECTION
DS50PVS is a Type 1 Component Assembly (Type 1CA) Surge Protective Device (SPD). They are designed to protect against lightning surge voltages in photovoltaic power supply networks. These units must be installed in parallel on the DC networks to be protected and provide common and differential modes... [See More]
- Standards: UL 1449 Third Edition; UL; prEN50539- 11: Europe
- Technology: Metal Oxide Varistor
- Device Type: SPD
- Mounting: Symmetrical Rail 35 mm
from Legrand
TVSS Power Strip 15A 125V 740J 48K 6' Cord, Phone/Fax, PC Gray. FEATURES. 400V clamping voltage. UL1449 listed. Heavy-duty cord from 3 ft. to 15 ft., depending on device. Multiple function protection available for power, phone, fax, modem, coax, or data. Extremely long life with dependable... [See More]
- Standards: UL 1449 Third Edition; UL
- Mounting: Power Strip
- Device Type: SPD; Plug-in Style
- Application: Telecom. Applications
from MCG SURGE PROTECTION
Features: I peak=250,000A/Phase (8 x 20 μs waveform). UL1449 3rd Edition Listed. Triple redundant - three fused surge paths/phase. Remote 1 Form C relay contacts with status LED. Neutral to Ground voltage monitor. Front panel protection status LEDs. Low profile design. All modes protected. [See More]
- Standards: UL 1449 Third Edition; UL 1449 Second Edition; ANSI; CE Marking; IEC; IEEE
- Technology: Metal Oxide Varistor
- Device Type: SPD; Single Phase
- Mounting: Wall/Panel; DIN Rail (optional feature); Device Mount
from CITEL SURGE PROTECTION
DS50PVS/G is a DC Surge Protection Device (SPD) for medium risk DC power applications up to 1200Vdc. The DS50PVS/G provides protection against the direct and indirect effects of lightning and has a unique no leakage current design. The DS50PVS/G is available for the main operating voltages in... [See More]
- Standards: UL 1449 Third Edition; UL; EN50539- 11: Europe
- Technology: Metal Oxide Varistor; Gas Tubes; Hybrid
- Device Type: SPD
- Mounting: Symmetrical Rail 35 mm
from Legrand
Wiremold Sentrex PA and PB Series surge protection devices protect your sensitive electronic equipment from external or internal transient activity. Units can be customized with remote monitoring, noise filtration and flush mount options. All PA and PB units are approved for indoor or outdoor use... [See More]
- Standards: UL 1449 Third Edition; UL
- Technology: Metal Oxide Varistor
- Device Type: SPD
- Mounting: Wall/Panel
from MCG SURGE PROTECTION
Features: I peak=40,000A/Phase (8 x 20 μs waveform). UL1449 3rd Edition Listed. Remote 1 Form C relay contacts with status LED. Neutral to Ground voltage monitor. Front panel protection status LEDs. Low profile design. All modes protected. Filtering standard. Thermally protected MOVs. 20 Year... [See More]
- Standards: UL 1449 Third Edition; UL 1449 Second Edition; ANSI; CE Marking; IEC; IEEE
- Technology: Metal Oxide Varistor
- Device Type: SPD; Single Phase
- Mounting: Wall/Panel; DIN Rail (optional feature); Device Mount
from CITEL SURGE PROTECTION
DS50VGPVS is a Type 1 Component Assembly (Type 1CA) Surge Protective Device (SPD) for medium risk DC power applications up to 1500Vdc. The DS50VGPVS provides protection against the direct and indirect effects of lightning and has a unique no leakage current design. CITEL ’s patented hybrid... [See More]
- Standards: UL 1449 Third Edition; UL; UTE C61-740-51: France, EN 50539-11: Europ
- Technology: Metal Oxide Varistor; Gas Tubes; Hybrid
- Device Type: SPD
- Mounting: Symmetrical Rail 35 mm
from Legrand
Wiremold Sentrex High Performance Rack Mount Series and the Perma Power Computer Grade Rack Mount and CabinetMATE Surge Protector Series offer a wide range of solutions for communication closet, rack, and cabinet applications. By dissipating and diverting excess voltage, a Sentrex or Perma Power... [See More]
- Standards: UL 1449 Third Edition; UL
- Mounting: Rack
- Device Type: SPD
- Application: Telecom. Applications; Electronic/Communication Equipment
from MCG SURGE PROTECTION
Features: I peak=80,000A/Phase (8 x 20 μs waveform). UL1449 3rd Edition Listed. Remote 1 Form C relay contacts with status LED. Neutral to Ground voltage monitor. Front panel protection status LEDs. Low profile design. All modes protected. Filtering standard. Thermally protected MOVs. 20 Year... [See More]
- Standards: UL 1449 Third Edition; UL 1449 Second Edition; ANSI; CE Marking; IEC; IEEE
- Technology: Metal Oxide Varistor
- Device Type: SPD; Single Phase
- Mounting: Wall/Panel; DIN Rail (optional feature); Device Mount
from Legrand
Wiremold Sentrex High Performance Surge Protector Series and the Perma Power Computer Grade Surge Protector Series include a wide range of solutions for point-of-use surge protection applications. By dissipating and diverting excess voltage, Sentrex and Perma Power surge protection devices keep your... [See More]
- Standards: UL 1449 Third Edition; UL
- Application: Audio & Video Applications; Computer Rooms
- Device Type: SPD; Plug-in Style