Eaton SNT4LP18K Molded Case Circuit Breaker Shunt Trip Accessory – 600V AC, Series C, L-Frame Compatible

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SKU: SNT4LP18K GTIN/UPC: 782114621905
Regular price $593.60
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The Eaton SNT4LP18K shunt trip accessory is designed to provide reliable remote tripping capability for compatible Eaton Cutler-Hammer Series C molded case circuit breakers. Operating at 600V AC, this accessory enables electrically controlled breaker operation through an external signal, enhancing system safety, emergency shutdown capability, and remote control integration in industrial and commercial electrical systems. It is designed for left-side mounting with pigtail lead connections and supports a wide range of L-frame and HMCP breaker types.

Electrical Ratings

  • Voltage Rating: 600V AC

Key Specifications

  • Manufacturer: Eaton Cutler-Hammer
  • Part Number: SNT4LP18K
  • Family: Series C
  • Category: Shunt Trips
  • Type: SNT
  • Mounting Method: Left-side mounted
  • Connection Type: Pigtail leads
  • Certifications: CSA Approved

Compatible Frames

  • LDB, LD, HLD, LDC, CLD, CHLD, CLDC
  • MDL, HMDL, MDLB, HMDLB
  • E2L, E2LM, E2M, E2MM
  • L-frame HMCP molded case circuit breakers

Physical Details

  • Dimensions (H × W × D): 2.9 in × 3.2 in × 5.5 in
  • Weight: 0.4 lb

Product Data

  • Application: Remote tripping and emergency shutdown for industrial electrical systems
  • Installation Use: Compatible Eaton Series C L-frame and HMCP molded case circuit breakers
  • Function: Provides electrically actuated breaker tripping via external control signal
  • System Compatibility: Eaton Series C molded case circuit breaker platforms
  • Safety Feature: Enables remote disconnect capability for improved operational safety, system control, and emergency response readiness



  • Type Circuit Breakers
  • 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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My Circuit Breakers provides a comprehensive 1-year warranty on both new and reconditioned products. Rest assured, all products are authentic OEM (original equipment manufacturer). Extended warranties are available upon request.