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. ◀◀ ◀ ▶ ▶▶ Shunt Trip: Shunt Trip, PowerPact B and Compact NSXm Circuit Breaker, 208/277V AC Front Extended Red Rotary Handle: Front Extended Red Rotary Handle Torque Limiting Breakway Bits: Torque Limiting Breakway Bits Undervoltage Release: Undervoltage Release, PowerPact(R) B Circuit Breakers, 227V AC Direct Mounted Black Rotary Handle: Direct Mounted Black Rotary Handle Undervoltage Release: Undervoltage Release, Multi 9 Circuit Breakers Padlocking Device: Padlocking Device Compression Lug Kit: Compression Lug Kit, 125 A Amps, (2) Copper Compression Lug Bus Bar: 80 A Amps, 3 Poles, 12 Terminals Undervoltage Release: Undervoltage Release, Multi 9 Circuit Breakers Bus Bar: 80 A Amps, 3 Poles, 18 Terminals Rotary Operator: Rotary Operator, 125 A Amps, 3 Poles, 6 in Handle/Long Shaft Mechanical Lug Kit: Mechanical Lug Kit, Powerpact(R) J Frame Circuit Breakers, 3 PK Undervoltage Release: Undervoltage Release, Multi 9 Circuit Breakers Handle Assembly: Handle Assembly, 2/3 Poles, 3 in Black Handle Rear Insulation Screen: Rear Insulation Screen, PowerPact(R) B Circuit Breakers, 2 PK Direct Mounted Red Rotary Handle: Direct Mounted Red Rotary Handle Side Extended Black Rotary Handle: Side Extended Black Rotary Handle Shunt Trip Release: Shunt Trip Release, Multi-9 Circuit Breakers, 6 A Amps Compression Lug Kit: Compression Lug Kit, 125 A Amps, (2) Aluminum Compression Lug ◀◀ ◀ ▶ ▶▶