AC Circuit Breakers | McMaster-Carr

Filter by

Voltage

Current

Number of Poles

Mounting Location

Trip Type

Frequency

Manufacturer

Wire Connection

Manufacturer Series

Certification

C-UL Recognized Component

UL Recognized Component

Breakthrough Current @ Voltage

Manual Reset Style

Circuit Breaker Interruption Type

Width

Electrical Connection

Specifications Met

Reset Type

Number of Spaces

Height

RoHS

Compliant with Exemptions

Enclosure Rating

U.S.–Mexico–Canada Agreement (USMCA) Qualifying

Yes

Export Control Classification Number (ECCN)

EAR99

DFARS Specialty Metals

Exempt

REACH

Compliant

Not Compliant

Cover Attachment Style

590 Products

Circuit Breakers

DIN-Rail Mount Equipment Circuit Breakers

Protect a piece of equipment downstream from a branch circuit breaker

113 products

Square D Load-Center Circuit Breakers

Match to Square D breaker boxes or panel boards of the same manufacturer series

48 products

DIN-Rail Mount Branch Circuit Breakers

Safeguard equipment and wiring in an area of your facility

108 products

Siemens Load-Center Circuit Breakers

Use with Siemens EQ series breaker boxes

10 products

High-Power Circuit Breakers

Protect an area of a facility that has high-powered equipment

16 products

Panel-Mount Equipment Circuit Breakers

Mount through panels to protect a single piece of equipment

34 products

Cutler-Hammer Load-Center Circuit Breakers

Install into Cutler-Hammer CH series breaker boxes

10 products

High-Temperature Panel-Mount Circuit Breakers

The hydraulic-magnetic trip mechanism is not affected by temperature changes

11 products

Space-Saving Panel-Mount Branch Circuit Breakers

Small enough to fit in tight spaces, these circuit breakers mount through panels

2 products

DIN-Rail Mount Ground Fault Circuit Protectors

Minimize the risk of electric shock to workers and equipment if there is a current leak

6 products

Blade-Style Circuit Breakers

Protect low-voltage automotive and electronic applications

13 products

Plug-Base Circuit Breakers

Replace any Edison-base fuse with these resettable circuit breakers

3 products

Other Products

Circuit Interrupters

Ground fault protection stops injuries from electric shocks; hardwire to equipment to break circuits

1 product

Circuit Breaker Boxes

Hold a series of circuit breakers in line; also known as load centers

49 products

Outlet Strips

Plug in multiple devices to power them from a single outlet

103 products

Power Connectors

Plugs, sockets, receptacles, and other connectors for powering equipment

20 products

Extension Cord Circuit Interrupter Converters

Hardwire to extension cords to protect against electric shock in wet areas

9 products

Outlet Boxes

House electrical components such as on-off switches, receptacles, and dimmer knobs

3 products

Extension Cord Reels

Keep extension cords easy to access without creating a tripping hazard

27 products

Power Cords

Connect equipment and devices to a power source

2 products

Extension Cords

Extend the reach of power from an outlet

36 products