Eaton UVH4RP15K Undervoltage Release Mechanism – 380–480V, Series C, L-Frame HMCP / M-Frame Compatible, Right-Hand Mount

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SKU: UVH4RP15K GTIN/UPC: 786679555125
Regular price $547.40
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The Eaton UVH4RP15K undervoltage release mechanism is a molded case circuit breaker accessory designed to automatically trip compatible Eaton L-frame HMCP and M-frame breakers when control voltage drops below a safe operating level. This provides enhanced electrical system protection by ensuring immediate disconnection during undervoltage conditions, helping prevent equipment damage and unstable operation. It is intended for field installation and features pigtail lead connections with right-hand mounting.

Electrical Ratings

  • Control Voltage Range: 380–480V

Key Specifications

  • Manufacturer: Eaton Cutler-Hammer
  • Part Number: UVH4RP15K
  • Family: Series G (Series C compatible listing noted)
  • Category: Bus Plugs
  • Type: Undervoltage release mechanism
  • Frame Size: Frame J-K
  • Mounting Method: Right-hand mounting
  • Connection Type: Pigtail leads
  • Certifications: CSA Approved

Compatible Frames

  • L-frame HMCP molded case circuit breakers
  • M-frame molded case circuit breakers

Physical Details

  • Dimensions (H × W × D): 5.5 in × 3 in × 2.38 in
  • Weight: 0.6 lb

Product Data

  • Application: Undervoltage protection and automatic breaker tripping
  • Installation Use: Compatible Eaton L-frame HMCP and M-frame molded case circuit breakers
  • Function: Trips breaker when control voltage drops below safe operating level
  • System Compatibility: Eaton molded case circuit breaker platforms
  • Safety Feature: Helps prevent unsafe operation and protects equipment during undervoltage conditions



  • Type Undervoltage Release
  • Vendor Eaton Cutler-Hammer
  • Brand Eaton

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You may return items within 30 days of delivery for a refund.

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