Dual-Purpose Single Breaker Docking Station

Compact. Compliant. Built for emergency power and load testing

At Industrial Energy Partners, 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 — and backed by our partnership with IndustLabs — 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:

Construction & Enclosure

  • 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

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

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