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EGIS Series 185 Circuit Breaker 50 Amp

EGIS Series 185 Circuit Breaker

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ESM
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Product Description

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185 Series Circuit Breakers - Diagram 1
185 Series Circuit Breakers - Diagram 2

EGIS Series 185 circuit breakers provide reliable thermal circuit protection for demanding marine and harsh-environment applications. Designed for auxiliary and accessory circuits in boats, trucks, buses, and RVs, they combine automatic overcurrent protection with manual on/off switching in a compact, durable design. A bright yellow paddle provides visual indication when a circuit has opened and allows convenient manual resetting.

Sealed to IP67 standards and ignition-protected to SAE J1171, Series 185 breakers are suitable for installation in engine compartments and other areas exposed to moisture or potentially explosive gases. Supporting systems up to 48 VDC, they offer a 1,500-amp short-circuit interrupt rating, 6,000 switching cycles at full current, and dependable operation from -40°C to 85°C. Stainless steel hardware, high-temperature materials, and sealed construction provide lasting protection in demanding environments. Contact a Pacer Marine specialist for assistance selecting the right circuit protection for your application.

 

Characteristics:

  • Sealed Against Dust & Water Intrusion to ensure reliable circuit protection for the life of the electrical system installation.
  • High Voltage Rating easily supports 12 and 24 VDC applications while offering advanced protection for 36 and 48 VDC applications.
  • High electrical/manual switching endurance delivers 6,000 cycles at full current.
  • High Interrupt Current safely protects circuits connected to large paralleled battery banks with significant available power.
  • Ignition-protected safe for installation in closed compartments with potential explosive gases.

Features:

  • Protects electrical circuits from short-circuit events and overcurrent loads, preventing wire insulation overheating and subsequent destruction.
  • Visual indication of the circuit opened with a bright yellow paddle, also used for resetting to on.
  • Automatic circuit protection & manual on/off switching combines dual functionality in one reliable and compact solution.
  • Bulletproof construction: sealed device, high-temp materials for engine compartment applications, and stainless steel self-locking hardware.
  • Harsh environment design with stainless steel hardware, serrated flange nuts, and silicone terminal covers.
Max Operational Voltage 48 VDC
Short Circuit Interrupt Rating (48 Vdc)  1,500 Amps
Wire Size to Meet Rating (50 A) #8 AWG (10 mm²)
Wire Size to Meet Rating (150 A)  1/0 AWG (50 mm²)
Max Operating Temperature 85°C (185°F)
Min Operating Temperature  -40°C (-40°F)
Hardware Material  18-8 Stainless, Self-Locking
Max Terminal Stud Torque 100 in-lbs (11.3 N-m)
Cable Terminal Stud Hole Size  1/4” (M6)
Ignition Protection  SAE J1171
Operating Humidity  0 to 95% RH
Ingress Protection  IP67
Mechanical Vibration 10 g
Mechanical Shock 100g 100 g
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