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. ◀◀ ◀ ▶ ▶▶ Circuit Breaker: Power Defense Molded Case Circuit Breakers, 600V AC Double OC or Fault Contact: Double OC or Fault Contact, Multi 9 Circuit Breakers Handle Padlock Attachment, Loose: Handle Padlock Attachment, Loose Extension Terminal: 160 A Amps, FAZ Circuit Breakers, 277 to 480V AC, 3 Poles Handle Lockoff: Single, Two, Three Pole CH and BD Circuit Breaker, 4.5 in Lg, 3.5 in Wd Side Extended Red Rotary Handle: Side Extended Red Rotary Handle Compression Lug Kit: Compression Lug Kit, 125 A Amps, (3) Aluminum Compression Lug Handle Assembly: Handle Assembly, Type LAL, LHL, and QRL Circuit Breakers, 2/3 Poles Rotary Operating Handle: Rotary Op Handle, PowerPact(R) H and J Circuit Breakers Shunt Trip Release: Shunt Trip Release, Multi-9 Circuit Breakers, 6 A Amps Door Mount Operating Mechanism: Door Mount Op Mechanism, 125 A Amps, 3 Poles OC Contact: OC Contact, Multi 9 Circuit Breakers, 240 to 415V AC/24 to 130V DC Handle Tie: Handle Tie, Square D QO and QOB Circuit Breakers, 70 A Amps, 1 Poles, 5 PK Bus Bar: 80 A Amps, 3 Poles, 6 Terminals Handle Padlock Attachment: Handle Padlock Attachment, Square D QOU Circuit Breakers ◀◀ ◀ ▶ ▶▶