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Transfer & Switching
Generator-backed services, emergency and standby branches under NEC 700, 701 and 702, 2N UPS distribution, single-corded critical loads.
| What we supply | Range | Configurations | Listings |
|---|---|---|---|
| Static transfer switch | 100 to 4000 A · 208 to 480 V · 600 V to 1200 A | Three-pole, transfer under a quarter cycle; maintenance bypass; integral PDU option; monitoring | UL 1008S |
| Closed transition ATS | 100 to 3000 A · 200 to 480 V | Make-before-break with sync check, for retransfer without a break; utility approval required | UL 1008 |
| Delayed transition ATS | 30 to 3000 A · 200 to 480 V | Programmed off-time between sources, for motor and transformer inrush | UL 1008 |
| Open transition ATS | 30 to 3000 A · 200 to 480 V | 2, 3 or 4 pole; switched or overlapping neutral; in-phase monitor; NEMA 1 or 3R | UL 1008 |
| Service-entrance ATS | 30 to 2500 A · 200 to 480 V | Integral service disconnect and overcurrent protection; utility metering provisions | UL 1008 |
Manufacturers in this family
- ABB
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Data halls and network rooms, hospital imaging and IT, process control and industrial plants, laboratories and clean rooms, telecom and broadcast.
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Service entrance and main distribution, campus medium-voltage loops, hospital essential and normal branches, plant substations and MCC feeds, data hall rows and rack feeds.