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Encapsulated NEC Miniature Circuit Breakers

Eaton's Crouse-Hinds series GHG 623 encapsulated miniature circuit breakers deliver maximum safety for your facility by providing overcurrent and short circuit protection for low voltage power, lighting and heat tracing applications in Division 2 & Zone 1/2 hazardous areas.

Our encapsulated miniature circuit breakers are permanently welded to prevent tampering and improve safety, and an engineered air gap design prevents hot spots by promoting air flow. This helps achieve an industry-leading operating temperature range of -40°C to +55°C.

GHG 623 encapsulated miniature circuit breakers are a great choice for safe and efficient power distribution in refineries, chemical and petrochemical plants, mining, food processing, corrosive and industrial processing facilities.

Safety
Permanent encapsulation prevents tampering
Amperage range
10A-40A
Reliability
-40°C to +55°C temperature rating

Certifications and compliances
 

NEC and CEC

  • Class I, Division 2, Groups A, B, C, D
  • Class I, Zones 1 & 2 
  • Ambient temperature range: IIC: -20°C/+55°C; IIB: -45°C/+55°C

Design features

  • Permanent, friction welded design prevents tampering and promotes safety
  • Encapsulation prevents breaker misalignment during reassembly
  • Engineered air gap aids in temperature reduction and improves air flow
  • Wire connection terminals allow for single or dual conductor with pin plugs
  • Lockout/tagout allows for breaker to be locked in "OFF" position
  • Mounting feet provide easy access for mounting/removing breakers
  • DIN rail mount provides secondary mounting option

Electrical ratings

  • Rated voltage (main contact): to 277/480 VAC, 60 Hz
  • Rated current (main contact): 10A to 40A
  • Rated switch capacity: 10 kA

Standard materials

  • Enclosure – polyamide
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