4-Wire Single Phase Surge Suppressors

Description

4-Wire Single Phase Surge Suppressors are devices designed to protect electrical systems from voltage spikes by diverting excess voltage away from sensitive components. They are specifically configured to work with single-phase AC power systems, which are common in residential and light commercial applications.

Working Principle

Single-phase surge suppressors operate by detecting voltage spikes and diverting the excess energy to the ground, preventing it from reaching and damaging connected equipment. This is typically achieved using components like Metal Oxide Varistors (MOVs), which conduct the surge energy to the ground when the voltage exceeds a certain threshold. The suppressors are useful because they protect electrical devices from damage due to transient overvoltages, which can occur due to lightning strikes, power outages, or switching operations in the power grid.

Applications

While specific applications for 4-wire single-phase surge suppressors are not detailed in the provided documents, single-phase surge suppressors in general are used in residential settings to protect home appliances and electronics. They are also employed in light commercial environments to safeguard office equipment and small machinery from voltage spikes.

Advantages over other Single Phase Surge Suppressors

The documents do not provide specific advantages of 4-wire single-phase surge suppressors over other single-phase surge suppressors. However, in general, surge suppressors with more wires may offer better grounding and protection capabilities, potentially providing enhanced safety and reliability.

Limitations

The documents do not specify limitations unique to 4-wire single-phase surge suppressors. However, single-phase systems, in general, are not powerful enough to supply large motors and other industrial equipment, which could be considered a limitation in certain applications.

Considerations

When selecting a surge suppressor, it is important to consider factors such as initial costs, operating expenses, durability, and maintenance requirements. Single-phase systems are typically cheaper to install and operate compared to three-phase systems, but they may require more frequent maintenance due to their limited capacity to handle large loads. Durability and accuracy of the suppressor should also be evaluated to ensure long-term protection and reliability.

11 Results
Surge Protective Devices -- 120LS-120S
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
Surge Protective Devices -- 120M-120S
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
Surge Protective Devices -- 125M-120T
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
Surge Protective Devices -- 160MXT-120T
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
Surge Protective Devices -- 202XT-120T
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
Surge Protective Devices -- 402XT-120T
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
Surge Protective Devices -- PT120-120S
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
Surge Protective Devices -- PT160-120S
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
Surge Protective Devices -- PT250-120S
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
Surge Protective Devices -- PT40-120S
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
Surge Protective Devices -- PT80-120S
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