PowerBack 15kVA / 150A Temporary Power Restoration Device
The PowerBack 15kVA (150A) is a rugged, field-proven temporary power restoration device designed to quickly restore power when a hot leg or neutral is lost. Built on a durable wheeled cart, it provides a fast and safe way for utility crews to restore balanced 120/240V or 120/208V service while permanent repairs are made.
This model is ideal for everyday residential and light commercial outage calls where reliable performance and easy mobility are required.
Key Specifications – PowerBack 15kVA / 150A
| Specification | Details |
|---|---|
| Model # | 15K-M |
| Power Rating | 15 kVA / 150 A |
| Recommended Service | 150 A |
| Breaker | 150 A |
| Service Type | 120/240V or 120/208V 3-wire |
| Restoration Capability | Restores missing hot leg or neutral |
| Weight | ~130 lbs |
| Size | 29″ x 22″ x 13″ |
| Enclosure | Rugged wheeled cart with weather protection |
| Design | High-efficiency toroidal autotransformer |
| Thermal Protection | 105°C |
| Connectivity | Metering adapter |
| Available Options | GFI |
| Origin | Designed and built in Shelton, Connecticut, USA |
| Warranty | 3 Years |
Why Crews Choose the PowerBack 15kVA
Utility crews rely on the PowerBack 15kVA for its balance of capacity, durability, and ease of use on standard residential and small commercial calls.
- Proven Performance — Effectively restores up to 150A service by regenerating the missing phase or neutral directly at the meter.
- Toroidal Efficiency — Lightweight and efficient toroidal design compared to traditional transformer-based units.
- Easy Mobility — Wheeled cart allows one or two-person deployment on most residential properties.
- Built-in Safety — Thermal protection helps prevent damage from overload conditions.
- Fast Deployment — Quick connection at the meter socket gets customers back online in minutes.
Ideal Applications
- Residential single-family homes (up to 150A service)
- Small businesses and light commercial properties
- Routine outage response and underground cable faults
- Storm restoration support
- Crews looking for a dependable wheeled unit for everyday calls
PowerBack 15kVA vs Heavier Traditional Units
The PowerBack 15kVA offers a more efficient and manageable alternative to older, heavier service restoration devices. Its toroidal autotransformer design provides strong performance in a relatively compact and mobile package, making it easier for crews to transport and deploy.
Need a reliable 15kVA / 150A temporary power restoration solution for your crews? Contact our utility team at (203) 954-0050 or request a quote. We’ll help you configure the right PowerBack setup for your typical service calls.












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