SBP‑75‑XFMR‑ND‑AUTO
75 kVA Autotransformer
75 kVA mobile autotransformer for stepping between 480 V and 600 V systems. 400A cam lock in and out.
Features
- Heavy-duty roll cage design – stackable for transport and storage
- Easy access for maintenance and operation
- Weatherproof enclosure, NEMA 3R compliant
- Safety guards on all electrical connections
- Corrosion-resistant construction: powder-coated, galvanized or aluminum components
- Single point lifting bail, engineered and load-rated
- UL 489-rated breakers with adjustable trip settings
Transformer
- 3-phase autotransformer, aluminum windings
- Sound level meets NEMA ST-20
- CSA Certified – File LR34493 (5 kV max, 900 kVA max)
- UL Listed – File E108255 (600 V max, 750 kVA max)
- 220 °C / 428 °F insulation rating
Unit specifications
| Electrical | |
|---|---|
| kVA rating | 75 |
| Transformer type | Auto |
| Primary voltage | 480 V |
| Secondary voltage | 600 V |
| Full-load primary amps @ 480 V 3Ø | 90 A |
| Full-load secondary amps @ 600 V 3Ø | 72 A |
| Impedance | 2.5% – 5.5% |
| Primary taps available | 480V, 570V, 600V, 630V |
| Average sound level | 50 dB |
| Cooling | ANN/AN self-cooled |
| Insulation rating | 220 °C |
| Connections and distribution | |
| Primary inlet | 400A Cam Lock (L1, L2, L3, GND); optional blank gland plate for hard wire |
| Secondary outlet | 400A Cam Lock (L1, L2, L3, N, GND); optional blank gland plate for hard wire |
| Protection | |
| Primary protection | 125 A MCCB, 0.8 adjustable, UL 489 |
| Secondary protection | 100 A MCCB, 0.8 adjustable, UL 489 |
| Physical | |
| Dimensions (L × W × H) | 36 × 36 × 41 in |
| Enclosure type | Type 3R Outdoor |
| Lifting | Single point bail |
| Compliance and approvals | |
| Standards | SPE-1000, UL 1640 compliant design, CSA C22.2 No. 5, UL 489, IEC/EN 60947-2, CE compliant |
The SBP Transformer range without integrated power distribution is currently in development and may be subject to change. Final specifications will be provided for customer approval prior to manufacturing.
We work diligently to ensure all product information is accurate at the time of publication. Specifications, features, dimensions, and availability are subject to change without notice. Images are for illustration purposes and may show optional equipment or configurations that differ from the product supplied. Published information is provided for general reference and does not constitute a warranty or contractual commitment. Confirm all critical specifications and application requirements with us in writing before ordering. Final supply is governed by the accepted order and applicable terms of sale. To the extent permitted by law, we disclaim liability for errors, omissions, or reliance on outdated information. Nothing in this notice overrides expressly agreed contractual obligations or applicable statutory rights.