1. Home / 
  2. All Categories / 
  3. Circuit Breaker / 
  4. Insulated Case Circuit Breaker

Insulated Case Circuit Breaker

For circuit breaker applications in commercial and industrial power distribution systems, insulated case circuit breakers are among the most critical components for reliable overcurrent protection and system safety. Insulated case circuit breakers provide adjustable trip settings and high interrupting capacity while offering compact installation in panelboards and switchboards. Electrical.com carries an extensive selection of insulated case circuit breakers from all major manufacturers, including new, used, surplus, and re-certified options. These components are designed to meet the diverse needs of commercial buildings, industrial facilities, data centers, and healthcare infrastructure applications.
SORT BY
Part Number
PRICE
Manufacturer
Amperage
SHD4G689R
SHD4G689R
Limited Stock
From
Get Price
General Electric
2000
SHD4G689T
SHD4G689T
Limited Stock
From
Get Price
General Electric
2000
SHD4G689U
SHD4G689U
Limited Stock
From
Get Price
General Electric
2000
SHD4G689W
SHD4G689W
Limited Stock
From
Get Price
General Electric
2000
SHD4G691M
SHD4G691M
Limited Stock
From
Get Price
General Electric
2000
SHD4G691N
SHD4G691N
Limited Stock
From
Get Price
General Electric
2000
SHD4G691P
SHD4G691P
Limited Stock
From
Get Price
General Electric
2000
SHD4G691R
SHD4G691R
Limited Stock
From
Get Price
General Electric
2000
SHD4G691T
SHD4G691T
Limited Stock
From
Get Price
General Electric
2000
SHD4G691U
SHD4G691U
Limited Stock
From
Get Price
General Electric
2000
SHD4G691W
SHD4G691W
Limited Stock
From
Get Price
General Electric
2000
SHD4G692M
SHD4G692M
Limited Stock
From
Get Price
General Electric
2000
SHD4G692N
SHD4G692N
Limited Stock
From
Get Price
General Electric
2000
SHD4G692P
SHD4G692P
Limited Stock
From
Get Price
General Electric
2000
SHD4G692R
SHD4G692R
Limited Stock
From
Get Price
General Electric
2000
SHD4G692T
SHD4G692T
Limited Stock
From
Get Price
General Electric
2000
SHD4G692U
SHD4G692U
Limited Stock
From
Get Price
General Electric
2000
SHD4G692W
SHD4G692W
Limited Stock
From
Get Price
General Electric
2000
SHD4G693M
SHD4G693M
Limited Stock
From
Get Price
General Electric
2000
SHD4G693N
SHD4G693N
Limited Stock
From
Get Price
General Electric
2000
SHD4G693P
SHD4G693P
Limited Stock
From
Get Price
General Electric
2000
SHD4G693R
SHD4G693R
Limited Stock
From
Get Price
General Electric
2000
SHD4G693T
SHD4G693T
Limited Stock
From
Get Price
General Electric
2000
SHD4G693U
SHD4G693U
Limited Stock
From
Get Price
General Electric
2000

Electrical.com stocks the largest inventory of insulated case circuit breakers in the world, with over 1 million square feet of new, used, surplus, and re-certified circuit breakers available for immediate shipment. From low voltage to medium voltage applications, we have the insulated case breakers you need when others say no. Our comprehensive insulated case circuit breaker inventory spans all amperage ratings, voltage classes, and frame sizes from all major manufacturers including current production and discontinued models from legacy suppliers. Available in new factory condition, surplus stock, and re-certified options‚ All backed by our standard 2-year Electrical.com warranty. Our insulated case circuit breakers serve critical applications across industrial power distribution systems, manufacturing facilities, commercial buildings, data centers, utility substations, process control installations, and heavy industrial equipment.


Whether you're maintaining legacy electrical systems with obsolete insulated case breaker models or sourcing current production breakers for new installations and upgrades, our 40+ warehouse locations across the US and Canada ensure rapid delivery to minimize your downtime. Need insulated case circuit breakers now? Call 877-999-7077 or email [email protected]. With same-day shipping available and the right parts ready to ship from our nearest warehouse location, Electrical.com gets your operations back online fast. We can say yes when others have to say no.