 | Three Phase 60 Hz Transformer (Group G)
- With weather shield, UL Type 3R enclosure type 2 enclosure without weather shield. UL listed and CSA certified.
- UL Class 220°C insulation system, 150°C rise.
- Extra large wiring compartment for easier installation and cooler case temperatures.
- NEMA standard bus bar terminals, no special tools needed to make clearly marked connections. Tap changing easily accomplished with jumpers.
- Aluminum windings for increased insulation life, cooler operation, lower losses.
- Noise and vibration isolating pads standard to assure quiet operation.
- Large permanently legible nameplates on front.
- Single phase units can be banked for 3 phase service.
- All units have ground studs for use with non-metallic conduit.
- Suitable for wall or “trapeze” mounting. Wall brackets are available for units up to 50 KVA single and 75 KVA three phase.
- Other models are available with class 220°C insulation and either 115°C or 80°C rise operating temperature. Refer to Opti-Miser® Section.
- Termination - single phase 37.5 to 100 KVA, copper bus; 167 to 250 KVA, aluminum bus. Three phase 27 to 225 KVA, copper bus; 275 to 1000 KVA, aluminum bus.
- Electrostatic shielding provided on all 60 Hz isolation transformers.
- Electrostatic shielding not available on Groups D1and G1.
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