Egis Mobile Electric

Egis 40A Surface Mount 87 Series Circuit Breaker [4704-040]

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40A Surface Mount 87 Series Circuit Breaker

This 40A Egis circuit breaker protects electrical circuits from short-circuit events and over-current loads, preventing wire insulation overheating and subsequent destruction.


  • Automatic circuit protection and manual on/off switching combine dual functionality in one reliable and compact solution
  • Allows for circuit isolation and maintenance of load circuits by providing convenient switching and integral circuit protection capable of mounting adjacent to battery systems regardless of the location


  • IP66 sealed against dust and water intrusion to ensure reliable circuit protection for the life of the electrical system installation  
  • High Voltage (48 Vdc) Rating - easily supports 12 and 24 VDC applications while offering advanced protection for 36 and 48 VDC
  • High Electrical / Manual Switching Endurance delivers 2,000 cycles at full current
  • High Interrupt Current - safely protects circuits connected to large paralleled battery banks with significant available power
  • 4-Year Warranty - Egis stands behind its product's ability to meet the user's needs


  • Continuous Current Amps: 40
  • Max Voltage: 48
  • Cycling Endurance: 2,000
  • Interrupt Current @14 VDC (Amps): 5,000
  • Interrupt Current @28 VDC (Amps): 3,000
  • Ingress Protection Rating: IP66

Focal Features:

ON/OFF High Visibility Controls

Sealed against dust and moisture penetration. The high-temperature rating for all installation locations.

Reinforced Mounting 

Ensures long-term structural reliability with reinforced mounting tabs built to withstand the stress of vibration. 

Stainless Steel Hardware / Serrated Flange Nuts

Corrosion and vibration resistance for harsh environment applications.

Proudly Made in the USA

Made in the USA of high-quality components.

Quick Guide (pdf)