3-Wire Single Phase Surge Suppressors
Description
A 3-Wire Single Phase Surge Suppressor is designed to protect electrical systems from voltage spikes by diverting excess voltage away from sensitive components. It is specifically used in systems that operate with a 3-wire AC power configuration, ensuring compatibility and effective protection against surges.
Working Principle
3-Wire Single Phase Surge Suppressors work by channeling excess voltage away from the main electrical path during a surge event. This is typically achieved through components like Metal Oxide Varistors (MOVs) or Gas Discharge Tubes (GDTs), which act as a short circuit to the surge, allowing it to bypass the protected equipment. These suppressors are crucial because they prevent damage to electrical devices by maintaining the voltage within safe limits, thus ensuring the longevity and reliability of the equipment.
Applications
3-Wire Single Phase Surge Suppressors are commonly used in residential and commercial settings where 3-wire AC power systems are prevalent. Specific examples include protecting home appliances, office equipment, and light industrial machinery from voltage spikes that can occur due to lightning strikes, power outages, or switching operations in the power grid.
Advantages over other Single Phase Surge Suppressors
One advantage of 3-Wire Single Phase Surge Suppressors is their compatibility with 3-wire AC power systems, which are common in many residential and commercial applications. This ensures that they can be easily integrated into existing systems without requiring significant modifications. Additionally, their design allows for effective protection against surges, which can be more challenging to achieve with other types of single-phase suppressors that may not be optimized for 3-wire configurations.
Limitations
A limitation of 3-Wire Single Phase Surge Suppressors is that they are not suitable for systems that require higher power capacities, such as those found in heavy industrial applications. These systems often use three-phase power, which requires different surge protection solutions. Additionally, the effectiveness of these suppressors can diminish over time due to repeated exposure to surges, necessitating regular maintenance and eventual replacement.
Considerations
When selecting a 3-Wire Single Phase Surge Suppressor, it is important to consider the initial cost and the potential operating expenses associated with maintenance and replacement. Durability is a key factor, as the suppressor must withstand multiple surge events without significant degradation. Accuracy in clamping voltage is also crucial to ensure that the suppressor activates at the correct threshold to protect the equipment. Regular maintenance is necessary to ensure continued effectiveness, and replacement costs should be factored into the overall cost of ownership.
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]
- Wires: 2-Wire; 3-Wire; 4-Wire
- Technology: Metal Oxide Varistor
- Mounting: Wall/Panel; Device Mount
- Surge Current: 120000
from Schneider Electric Surge Protection
Maintenance free, long life, metal oxide varistor design [See More]
- Wires: 3-Wire
- Technology: Metal Oxide Varistor
- Mounting: Wall/Panel
- Surge Current: 40000
from Legrand - Pass & Seymour
14 INCH W X 8 INCH D X 16 INCH H SIZE. SCREW TERMINAL CONNECTION TYPE. RESIDENTIAL, COMMERCIAL, INDUSTRIAL APPLICATION. 120/240 VAC VOLTAGE RATING. NEMA 12 ENCLOSURE. -40 TO 60 DEG C OPERATING TEMPERATURE. 1-PHASE 3-WIRE WITH GROUND CIRCUIT CONFIGURATION. L-N, L-G, L-L, N-G MODES OF PROTECTION. 200... [See More]
- Wires: 3-Wire
- Operating Temp: -40 to 140
- Surge Current: 200000
- Voltage: 120/240
from Surge Suppression Incorporated
Advantage panel Protection Series, Nema 1, Frequency Responsive Circuitry / Voltage Response Circuitry (Sine Wave Tracking) [See More]
- Wires: 3-Wire
- Technology: Hybrid
- Mounting: Device Mount
- Operating Temp: 176
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]
- Wires: 3-Wire
- Technology: Metal Oxide Varistor
- Mounting: DIN Rail
- Surge Current: 50000
from Pentair, Inc.
. MODULAR TYPE. 12 INCH W X 7.5 INCH D X 16 INCH H SIZE. SERVICE ENTRANCE, SERVICE ELECTRONIC EQUIPMENT USED ON. 50/60 HZ FREQUENCY RATING. 12 TO 2 AWG CONNECTION TYPE. UL 1449, NOM APPROVAL. COMMERCIAL, INDUSTRIAL APPLICATION. 120/240 V VOLTAGE RATING. WALL MOUNTING. NEMA 4X, IP66 ENCLOSURE. -10... [See More]
- Wires: 3-Wire
- Surge Current: 100000
- Mounting: Wall/Panel
- Operating Temp: 14 to 140
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]
- Wires: 2-Wire; 3-Wire; 4-Wire
- Technology: Metal Oxide Varistor
- Mounting: Wall/Panel; Device Mount
- Surge Current: 120000
from Schneider Electric Surge Protection
This exclusive Square D whole-house surge protector installs externally to any load center, providing comprehensive protection for telephone wiring, coax cable, and ac branch circuit wiring. The Surgebreaker Plus Multi-Path Surge Protector also comes with an 5-year, $50,000 warranty for residential... [See More]
- Wires: 3-Wire
- Surge Current: 80000
- Mounting: Wall/Panel
- Voltage: 120/240
from Legrand - Pass & Seymour
2.2 INCH W X 2.8 INCH D X 4.6 INCH H SIZE. 10 AWG WIRE CONNECTION TYPE. RESIDENTIAL, COMMERCIAL, INDUSTRIAL APPLICATION. 120/240 VAC VOLTAGE RATING. NEMA 12 ENCLOSURE. -40 TO 60 DEG C OPERATING TEMPERATURE. 1-PHASE 3-WIRE WITH GROUND CIRCUIT CONFIGURATION. L-N, L-L MODES OF PROTECTION. 40 KILOAMPERE... [See More]
- Wires: 3-Wire
- Operating Temp: -40 to 140
- Surge Current: 40000
- Voltage: 120/240
from Surge Suppression Incorporated
Advantage panel Protection Series, Nema 1, Frequency Responsive Circuitry / Voltage Response Circuitry (Sine Wave Tracking) [See More]
- Wires: 3-Wire
- Technology: Hybrid
- Mounting: Device Mount
- Operating Temp: 176
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]
- Wires: 3-Wire
- Technology: Metal Oxide Varistor
- Mounting: Wall/Panel (optional feature); DIN Rail (optional feature); Pipe Nipple
- Surge Current: 50000
from Pentair, Inc.
. COMPACT TYPE. 3.27 INCH W X 2.87 INCH D X 3.27 INCH H SIZE. SERVICE ENTRANCE, DISTRIBUTION PANEL USED ON. 50/60 HZ FREQUENCY RATING. 30 INCH 10 AWG FLYING LEAD WIRE (LINE), 36 INCH 10 AWG FLYING LEAD WIRE (NEUTRAL/GROUND) CONNECTION TYPE. UL 1449, CE, NOM APPROVAL. POWER DISTRIBUTION SYSTEM,... [See More]
- Wires: 3-Wire
- Operating Temp: -40 to 176
- Surge Current: 40000
- Voltage: 120/240
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]
- Wires: 2-Wire; 3-Wire; 4-Wire
- Technology: Metal Oxide Varistor
- Mounting: Wall/Panel; Device Mount
- Surge Current: 120000
from Schneider Electric Surge Protection
Modular devices are available for use in service entrance or branch panel locations. Our EMA Series products provide a complete line of application solutions and meet the requirements of ANSI/IEEE C62.41 and C62.45, and UL 1449 Second Edition, 2007 Requirements. Peak surge current ratings per phase... [See More]
- Wires: 3-Wire
- Surge Current: 120000
- Mounting: Wall/Panel
- Voltage: 120/240
from Legrand - Pass & Seymour
4 INCH W X 3 INCH D X 6 INCH H SIZE. 12 AWG WIRE CONNECTION TYPE. RESIDENTIAL, COMMERCIAL, INDUSTRIAL APPLICATION. 120/240 VAC VOLTAGE RATING. FLUSH MOUNTING. NEMA 12 ENCLOSURE. -40 TO 60 DEG C OPERATING TEMPERATURE. 1-PHASE 3-WIRE WITH GROUND CIRCUIT CONFIGURATION. L-N, L-G, L-L, N-G MODES OF... [See More]
- Wires: 3-Wire
- Surge Current: 100000
- Mounting: Flush Mount
- Operating Temp: -40 to 140
from Surge Suppression Incorporated
Advantage panel Protection Series, Nema 1, Frequency Responsive Circuitry / Voltage Response Circuitry (Sine Wave Tracking) [See More]
- Wires: 3-Wire
- Technology: Hybrid
- Mounting: Device Mount
- Operating Temp: 176
from ASCO Power Technologies
Advanced Protection Technologies (APT) has been a worldwide leader in the surge suppression industry since 1985. APT ’s surge protection products have long set the standard for protection of commercial & industrial facilities. surgeassure ™ was formed to bring this same level of... [See More]
- Wires: 3-Wire
- Technology: Metal Oxide Varistor
- Mounting: Wall/Panel
- Surge Current: 25000
from Pentair, Inc.
. COMPACT TYPE. 3.31 INCH W X 3.07 INCH D X 6.02 INCH H SIZE. SERVICE ENTRANCE, MAIN DISTRIBUTION PANEL, INDOOR/OUTDOOR SERVICE PANEL USED ON. 50/60 HZ FREQUENCY RATING. 30 INCH 10 AWG FLYING LEAD WIRE (LINE), 36 INCH 10 AWG FLYING LEAD WIRE (NEUTRAL/GROUND) CONNECTION TYPE. UL 1449, CE APPROVAL. [See More]
- Wires: 3-Wire
- Operating Temp: -40 to 176
- Surge Current: 100000
- Voltage: 120/240
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]
- Wires: 2-Wire; 3-Wire; 4-Wire
- Technology: Metal Oxide Varistor
- Mounting: Wall/Panel; Device Mount
- Surge Current: 200000
from Surge Suppression Incorporated
Individual Circuit Split and Three Phase Protection Series [See More]
- Wires: 3-Wire
- Technology: Hybrid
- Mounting: DIN Rail (optional feature); Device Mount; In-line or Integrally Attached
- Voltage: 120/240
from ASCO Power Technologies
Our H Series has one, replaceable module per phase and surge current levels of 120kA and 160kA per phase. Our lowest cost replaceable module product for “budget conscience ” projects. FEATURES: UL 1449 Third Edition Listed. 120kA & 160kA per phase ratings. Type 2 SPD – All UL... [See More]
- Wires: 3-Wire
- Technology: Metal Oxide Varistor
- Mounting: Wall/Panel
- Surge Current: 120000 to 160000
from Pentair, Inc.
. MODULAR TYPE. 3.31 INCH W X 3.07 INCH D X 9.45 INCH H SIZE. SERVICE ENTRANCE, MAIN DISTRIBUTION PANEL, INDOOR/OUTDOOR SERVICE PANEL USED ON. 50/60 HZ FREQUENCY RATING. 30 INCH 10 AWG FLYING LEAD WIRE (LINE), 36 INCH 10 AWG FLYING LEAD WIRE (NEUTRAL/GROUND) CONNECTION TYPE. UL 1449, CE APPROVAL. [See More]
- Wires: 3-Wire
- Operating Temp: -40 to 176
- Surge Current: 100000
- Voltage: 120/240
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]
- Wires: 2-Wire; 3-Wire; 4-Wire
- Technology: Metal Oxide Varistor
- Mounting: Wall/Panel; Device Mount
- Surge Current: 200000
from ASCO Power Technologies
Our H Series has one, replaceable module per phase and surge current levels of 80kA, 120kA and 160kA per phase. Our lowest cost replaceable module product for “budget conscience ” projects. FEATURES: UL 1449 Third Edition Listed. 80 kA, 120kA & 160kA per phase ratings. Type 2 SPD... [See More]
- Wires: 3-Wire
- Technology: Metal Oxide Varistor
- Mounting: Wall/Panel
- Surge Current: 80000 to 160000
from Pentair, Inc.
. COMPACT TYPE. 3.31 INCH W X 3.07 INCH D X 11 INCH H SIZE. SERVICE ENTRANCE, MAIN DISTRIBUTION PANEL, INDOOR/OUTDOOR SERVICE PANEL USED ON. 50/60 HZ FREQUENCY RATING. 30 INCH 10 AWG FLYING LEAD WIRE (LINE), 36 INCH 10 AWG FLYING LEAD WIRE (NEUTRAL/GROUND) CONNECTION TYPE. UL 1449, CE APPROVAL. [See More]
- Wires: 3-Wire
- Operating Temp: -40 to 176
- Surge Current: 200000
- Voltage: 120/240
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]
- Wires: 2-Wire; 3-Wire; 4-Wire
- Technology: Metal Oxide Varistor
- Mounting: Wall/Panel; Device Mount
- Surge Current: 400000
from ASCO Power Technologies
With one, replaceable module per phase and surge current levels of 160kA and 240kA per phase, the XGA Series is a great fit for Service Entrance and Downstream applications. The XGA Features APT ’s Patented TranSafe ™ Circuitry. FEATURES: UL 1449 Third Edition Listed. 160kA & 240kA... [See More]
- Wires: 3-Wire
- Technology: Metal Oxide Varistor; Silicon Avalanche Diode (optional feature)
- Mounting: Wall/Panel
- Surge Current: 90000 to 240000
from Pentair, Inc.
. MODULAR TYPE. 5.12 INCH W X 3.07 INCH D X 9.45 INCH H SIZE. SERVICE ENTRANCE, MAIN DISTRIBUTION PANEL, INDOOR/OUTDOOR SERVICE PANEL USED ON. 50/60 HZ FREQUENCY RATING. 30 INCH 10 AWG FLYING LEAD WIRE (LINE), 36 INCH 10 AWG FLYING LEAD WIRE (NEUTRAL/GROUND) CONNECTION TYPE. UL 1449, CE APPROVAL. [See More]
- Wires: 3-Wire
- Operating Temp: -40 to 176
- Surge Current: 200000
- Voltage: 120/240
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]
- Wires: 2-Wire; 3-Wire; 4-Wire
- Technology: Metal Oxide Varistor
- Mounting: Wall/Panel; DIN Rail (optional feature); Device Mount
- Surge Current: 120000
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]
- Wires: 3-Wire
- Technology: Metal Oxide Varistor
- Mounting: Wall/Panel
- Surge Current: 150000
from Pentair, Inc.
. COMPACT TYPE. 3.31 INCH W X 3.07 INCH D X 6.02 INCH H SIZE. SUB DISTRIBUTION PANEL, INDOOR/OUTDOOR SERVICE PANEL USED ON. 50/60 HZ FREQUENCY RATING. 30 INCH 10 AWG FLYING LEAD WIRE (LINE), 36 INCH 10 AWG FLYING LEAD WIRE (NEUTRAL/GROUND) CONNECTION TYPE. UL 1449, CE APPROVAL. POWER DISTRIBUTION... [See More]
- Wires: 3-Wire
- Operating Temp: -40 to 176
- Surge Current: 50000
- Voltage: 120/240
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]
- Wires: 2-Wire; 3-Wire; 4-Wire
- Technology: Metal Oxide Varistor
- Mounting: Wall/Panel; DIN Rail (optional feature); Device Mount
- Surge Current: 160000
from ASCO Power Technologies
Our largest, highest kA SPD, the XBS 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]
- Wires: 3-Wire
- Technology: Metal Oxide Varistor
- Mounting: Wall/Panel
- Surge Current: 600000
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]
- Wires: 2-Wire; 3-Wire; 4-Wire
- Technology: Metal Oxide Varistor
- Mounting: Wall/Panel; DIN Rail (optional feature); Device Mount
- Surge Current: 250000
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]
- Wires: 3-Wire
- Technology: Metal Oxide Varistor
- Mounting: Wall/Panel
- Surge Current: 100000
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]
- Wires: 2-Wire; 3-Wire; 4-Wire
- Technology: Metal Oxide Varistor
- Mounting: Wall/Panel; DIN Rail (optional feature); Device Mount
- Surge Current: 40000
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]
- Wires: 3-Wire
- Technology: Metal Oxide Varistor
- Mounting: Wall/Panel
- Surge Current: 100000
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]
- Wires: 2-Wire; 3-Wire; 4-Wire
- Technology: Metal Oxide Varistor
- Mounting: Wall/Panel; DIN Rail (optional feature); Device Mount
- Surge Current: 80000
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]
- Wires: 3-Wire
- Technology: Metal Oxide Varistor
- Mounting: Device Mount
- Surge Current: 150000
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]
- Wires: 3-Wire
- Technology: Metal Oxide Varistor
- Mounting: Device Mount
- Surge Current: 300000