SBP‑300‑XFMR
300 kVA Transformer Power Module
300 kVA mobile isolation transformer with integrated power distribution. Switchable 480/600 V primary, 120/208 V secondary, configurable with the Eco Power common gland system.
Rating300 kVA
Primary480/600 V switchable
Secondary120/208 V Y
Full-load secondary833 A @ 208 V
Features
- Prototype and production tested design
- Wide range of options and accessories available
- Simple access for maintenance and operations
- Weatherproof enclosure, NEMA 3R compliant
- Safety guards for all electrical connections
- Tool-less lockable latches standard
- All parts powder coated, galvanized or aluminum
- Single point lifting bail system, engineered and rated
- All components listed; UL 489-rated transformer protection built into the assembly
- Switchable 480/600 V primary with lockable selector switch – connect between 480 V generators and 600 V utilities without changing your power distribution
- Power distribution customizable with the Eco Power Equipment gland system
Transformer
- 3-phase isolation transformer, aluminum windings, self-cooled (ANN/AN)
- Efficiency: U.S. DOE 2016 (10 CFR Part 431); Canada NRCan 2019 (SOR/2018-201, Amd. 14) and Ontario Reg. 404/12
- 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 | 300 |
| Transformer type | Isolation |
| Primary voltage | 480/600 V switchable |
| Secondary voltage | 120/208 V Y |
| Full-load primary amps @ 480 V 3Ø | 361 A |
| Full-load primary amps @ 600 V 3Ø | 289 A |
| Full-load secondary amps @ 208 V 3Ø | 833 A |
| Efficiency (35% load, 75 °C) | 99.02 % |
| Impedance | 4% – 6% |
| Primary taps available | 480V, 570V, 585V, 600V, 615V, 630V |
| Average sound level | 55 dB |
| Cooling | ANN/AN self-cooled |
| Insulation rating | 220 °C |
| Connections and distribution | |
| Primary inlet | 2 × 400A Cam Lock or hard wire |
| Primary splitter | Yes |
| Secondary distribution | I-Line |
| Panelboard | 1200 A Square D |
| Secondary breaker type | BD, BG, BJ, BK, QB, QD, QG, QJ |
| Circuit capacity | 36 |
| Gland capacity | 8 |
| Protection | |
| Primary protection | 800 A MCCB, 0.8 adjustable, UL 489 |
| Secondary protection | 1200 A MCCB, 0.8 adjustable, UL 489 |
| Physical | |
| Dimensions (L × W × H) | 72 × 47 × 68 in |
| Weight | 3500 lbs |
| 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 |