Dual-Purpose Single Breaker Docking Station
Compact. Compliant. Built for emergency power and load testing
At IEP, our DPSB Series delivers an all-in-one solution for temporary generator connection and load bank testing — using a single, UL-listed breaker. With cam-lock input terminals, main breaker integration, and Kirk Key interlocks, this compact docking station is ideal for facilities with high power demands and limited space.
Designed, engineered, and manufactured 100% in-house, these units offer up to 4000A capacity, NEC 700.3(F) readiness, and secure transition from utility to generator to load bank with minimal effort.
Quick-View Specification Table
Spec | Details |
Amperage Range | 1200A – 4000A |
Voltage Options | 208–240V, 480V, 575–600V |
Mounting Types | Wall Mount (≤800A), Pad Mount (up to 4000A) |
Breaker Type | UL 891 Single Main Breaker |
Interlocks | Kirk Key Available |
Construction | NEMA 3R/4X, Type 1 or 3R Painted, or 316 SS |
Compliance | UL 891, UL Listed, NEC 700.3(F) |
General Specifications:
- Dual-purpose function: load bank testing + portable generator input
- Cam-Lok connectors (male/female) for fast cable connection
- Lugs provided for permanent power in the event of Cam-Lok failure
- Kirk Key Interlock prevents unsafe backfeed or dual-power conditions
- Full compliance with UL 891 and NEC Article 700.3(F)
- Built in multiple breaker pole configurations (3P or 4P)
Bottom-hinged access ensures safety; padlockable front doors
Technical Specifications
- Rated up to 600V AC
- Short circuit withstand: 100kA available
- Enclosure types: Wall-mount (≤800A) or pad-mounted (up to 4000A)
- Breaker options: UL 489 MCCBs or UL 1066 Power Breakers
- Fully labeled with color-coded Cam-Lok panel & engraved nameplates
- Compatible with load dump, SPD, and battery charger inputs
CUSTOMIZATION OPTIONS
Every installation is different. We build your system to match your needs, with the following configurable options:
- Type 1, 3R, or 316 stainless steel
- Wall-mount, flush-mount, or pad-mount
- UV-printed graphics and custom powder coat
- Extra-deep boxes available for conduit management
Breaker & Electrical Setup
- Single breaker (3P or 4P)
- Up to 4000A continuous current
- Cam-Lok inputs or permanently wired lugs
- Main lug or main breaker setups
Add-ons & Accessories
- Kirk Key interlock system
- Load dump receptacle
- Surge Protection Device (SPD)
- SCADA monitoring port
- Utility light, heater & thermostat, alarm
Don’t see what you need? Our in-house engineering team will work with you to build a solution that meets both your technical and compliance requirements — no compromises.
CERTIFICATIONS & COMPLIANCE
Your DPSB unit is built for inspection and real-world reliability:
✅ UL 891 – Low voltage switchboard construction
✅ UL Listed – Tested and labeled per US standards
✅ NEC 700.3(F) – Temporary generator hookup readiness
✅ NEMA 3R or 4X – Outdoor and wet-area safe
✅ 100kA SCCR – High short-circuit withstand ratings
✅ Made in USA – 100% in-house manufacturing and QC
FEATURES & BENEFITS
- Single main breaker design — simple, clean, compact
- Dual-purpose function — test loads and switch to generator
- Up to 4000A capacity with rugged pad-mount build
- Kirk Key interlock – mechanical safety assurance
- Cam-Lok + hardwired lugs for full flexibility
- Wall or pad mount options — site-ready for retrofit or new install
- Fully labeled, documented, and code-compliant
INDUSTRY APPLICATIONS
Perfect for mission-critical facilities that demand safe power continuity:
- Data Centers – Redundant power switching with minimal footprint
- Hospitals & Labs – Load bank testing and standby readiness
- Manufacturing & Utilities – Heavy load compatibility
- Government Facilities – UL and NEC compliance for audits
Commercial Buildings – Compact install, code-ready