4-Pole LayerZero® Static Transfer Switches
LayerZero® 4-pole static transfer switches are designed for safety, reliability, and advanced power quality monitoring. Unlike traditional 3-pole STS designs, our 4-pole systems switch the neutral as well. Perfect for mission-critical environments that demand absolute uptime.
4-Pole Static Transfer Switches
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250 A 120-208 V 4-Pole eSTS
The 250 A 120-208 V 4-Pole eSTS is a static transfer switch with a current rating of 250 amps, a voltage rating of 120/208 volts, and four poles.
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400 A 120-208 V 4-Pole eSTS
The 400 A 120-208 V 4-Pole eSTS is a static transfer switch with a current rating of 400 amps, a voltage rating of 120/208 volts, and four poles.
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800 A 240-415 V 4-Pole eSTS
The 800 A 240-415 V 4-Pole eSTS is a static transfer switch with a current rating of 800 amps, a voltage rating of 240/415 volts, and four poles.
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3000 A 277-480 V 4-Pole eSTS
The 3000 A 277-480 V 4-Pole eSTS is a static transfer switch with a current rating of 3000 amps, a voltage rating of 277/480 volts, and four poles.
4-Pole Static Transfer Switches
| Product Model | Current | Voltage | # Poles | Height (in) | Width (in) | Depth (in) | Weight |
|---|---|---|---|---|---|---|---|
| 250 A 120-208 V 4-Pole | 250 | 120/208 | 4 | 90" (2286 mm) | 48" (1219 mm) | 36" (914 mm) | 1600 lbs [726 kg] |
| 400 A 120-208 V 4-Pole | 400 | 120/208 | 4 | 88" (2235 mm) | 48" (1219 mm) | 37" (940 mm) | 1600 lbs [726 kg] |
| 800 A 240-415 V 4-Pole | 800 | 240/415 | 4 | 88" (2235 mm) | 84" (2134 mm) | 48" (1219 mm) | 3050 lbs (1384 kg) |
| 3000 A 277-480 V 4-Pole | 3000 | 277/480 | 4 | 89" (2261 mm) | 192" (4877 mm) | 57" (1448 mm) | 11,200 lbs [5080 kg] |