Catalog Safety Gas Detection Circuit Breakers, Panelboards & Load Centers Circuit Breakers & Accessories Calibration Gas: Carbon Monoxide, 105 L Cylinder Capacity, 1,200 psi Max. Pressure, NIST Circuit Breaker Accessories These accessories enhance the functionality of circuit breakers and are generally matched to a brand. Circuit breakers protect electrical circuits from damage caused by current overloads or short circuits. ◀◀ ◀ ▶ ▶▶ Padlock Attachment: Handle Padlock Attachment, Square D Homeline Miniature Circuit Breakers Rotary Operator: Rotary Operator, 125 A Amps, 3 Poles, 3 in Handle/Long Shaft Auxiliary Contact: 2 A Amps, FAZ Circuit Breakers, 250V AC, Auxiliary Contact Prewired Shunt Trip: Prewired Shunt Trip, PowerPact B and Compact NSXm Circuit Breaker Rotary Operating Handle: Rotary Op Handle, PowerPact(R) H and J Circuit Breakers Circuit Breaker Operator: Cb Variable Dp Mechanism, PowerPact(R) J Circuit Breakers Cable Operating Mechanism with 120" Cable: Cable Op Mechanism with 120" Cable, 125 A Amps Open Door Shaft Operator: Open Door Shaft Operator, PowerPact(R) B Circuit Breakers Prewired Shunt Trip: Prewired Shunt Trip, PowerPact B and Compact NSXm Circuit Breaker Shunt Trip: Shunt Trip, PowerPact B and Compact NSXm Circuit Breaker, 380/480V AC Rotary Operator: Rotary Operator, 125 A Amps, 3 Poles, 6 in Handle/Std Shaft Undervoltage Release: Undervoltage Release, PowerPact(R) B Circuit Breakers, 220 to 240V AC Fault Contact: Fault Contact, Multi 9 Circuit Breakers, 6 A Amps Shunt Trip: 1 A Amps, FAZ Circuit Breakers and Supplementary Protectors, 12/110V AC Handle Tie: Handle Tie, 125 A Amps, GE TEYD, TEYH and TEYL Circuit Breakers, 3 Poles Handle Blocking Device: Handle Blocking Device, Siemens QP, BL, BQ, BQXD Handle Padlock Attachment, Loose: Handle Padlock Attachment, Loose Handle Lockoff: Handle Lockoff, Square D QO Circuit Breakers Terminal Cover: 80 A Amps, FAZ Circuit Breakers, 277 to 480V AC, 3 Poles, Terminal Cover Undervoltage Release: Undervoltage Release, Multi 9 Circuit Breakers, 48V AC/DC ◀◀ ◀ ▶ ▶▶