Overview
The Westinghouse HMCP015E0 motor circuit protector is a Series C molded case circuit breaker engineered for reliable motor protection in industrial and commercial environments. Rated at 15 amperes with 3-pole configuration, this unit delivers instantaneous magnetic trip technology across a 45–150 ampere trip range, ensuring fast response to overcurrent and short-circuit conditions. The Westinghouse HMCP015E0 is UL listed and CSA certified, meeting industry safety standards for demanding motor-driven applications.
Key Features
- 15-ampere rated current with 3-pole design for balanced three-phase motor protection
- Magnetic non-interchangeable trip unit with instantaneous-only protection (no thermal element)
- 45–150 ampere adjustable trip setting to match motor full-load amperage
- 600VAC / 250VDC maximum voltage rating, suitable for industrial control centers
- F-frame molded case construction for panel-mount installation
- UL and CSA approvals for code compliance in North American applications
Technical Specifications
Precise technical data ensures proper system integration and reliable motor protection. The HMCP015E0 /C model incorporates industry-standard specifications:
- Rated Current: 15 Amperes
- Poles: 3-pole (three-phase)
- Voltage Rating: 600VAC / 250VDC
- Trip Type: Magnetic instantaneous-only, non-interchangeable
- Trip Range: 45–150 Amperes (adjustable via cam settings)
- Frame Type: F-frame molded case
- Mounting: Bolt-on panel mount
- Motor FLA Range: 3.4–12.6 amperes
- NEMA Starter Size: 0
- Certifications: UL, CSA, CE
Typical Applications
The Westinghouse HMCP015E0 protects general-purpose three-phase motors in:
- Manufacturing and assembly line equipment
- Pump and fan motor circuits
- Compressor and HVAC motor control
- Industrial automation and process control systems
- Motor control centers (MCCs) and electrical distribution panels
Compatibility & Replacements
Compatible With
- Series C motor control center (MCC) drawers and enclosures
- Standard bolt-on motor starter combinations
- IEC 157-1 motor protection standards
- Three-phase AC motor circuits rated 15 amperes and below
- 480V, 600V, and lower industrial power systems
Replaces / Drop-In Replacement For
- HMCP015E0 (standard equivalent)
- HMCP015E0-A01 (auxiliary switch variant)
- HMCP015E0C (Series C designation variant)
- Older Westinghouse/Cutler-Hammer HMCP-series 15A protectors
Works With
- Eaton/Cutler-Hammer Series C accessories and trip units
- Standard three-phase AC motor circuits and starters
- Industrial control systems using magnetic trip protection
- Motor overload relays and thermal protection devices
