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Circuit Breakers, Fuses & Relays

A comprehensive selection of circuit breakers, fuses, and relays engineered for low-voltage overcurrent and overload protection. Designed for industrial, commercial, and renewable energy applications, these components improve system uptime, simplify maintenance, and help meet electrical safety and compliance standards. Choose from thermal-magnetic breakers, cartridge and blade fuses, and electromechanical or solid-state relays to match your control and protection needs.

Featured Brands
511 Items
NDAA Compliant
Altronix TM400K3 TM400 Enclosure with AL400ULXB2 Power Supply ACM4, 4x Fused Output Access Power Controller
NDAA Compliant
Altronix WPTV248UL CCTV Power Supply, Outdoor, 8 Fused Outputs, 24/28VAC at 3.5A, 115VAC, WP1 Enclosure
AMX AMX-CEB002 CE-Series Control Extender Box, 8-Relay
AMX by Harman
AMX AMX-CEB002 CE-Series Control Extender Box, 8-Relay
AMX-CEB002
Special Order
$349.62
APC 0M-0219 Assembly Circuit Breaker, Tested, 20A 2-Pole
APC by Schneider Electric
APC 0M-0219 Assembly Circuit Breaker, Tested, 20A 2-Pole
0M-0219
Special Order
$67.34
APC 0M-2168 GMT Fuse Assembly 1.25A
APC by Schneider Electric
APC 0M-2168 GMT Fuse Assembly 1.25A
0M-2168
Special Order
$5.03
APC 0M-3390 Assembly NH2 Style Fuse, 100A
APC by Schneider Electric
APC 0M-3390 Assembly NH2 Style Fuse, 100A
0M-3390
Special Order
$68.92
APC 0M-3391 Assembly NH2 Style Fuse, 400A
APC by Schneider Electric
APC 0M-3391 Assembly NH2 Style Fuse, 400A
0M-3391
Special Order
$68.92
APC 0M-3392 Assembly NH2 Style Fuse, 300A
APC by Schneider Electric
APC 0M-3392 Assembly NH2 Style Fuse, 300A
0M-3392
Special Order
$68.92
APC 0M-3393 Assembly NH2 Style Fuse, 200A
APC by Schneider Electric
APC 0M-3393 Assembly NH2 Style Fuse, 200A
0M-3393
Special Order
$68.92
APC 0M-4264 Square D 3-Pole 20A Bolt-On Circuit Breaker
APC by Schneider Electric
APC 0M-4264 Square D 3-Pole 20A Bolt-On Circuit Breaker
0M-4264
Special Order
$157.56
APC 0M-4265 Square D 1-Pole 20A Bolt-On Circuit Breaker
APC by Schneider Electric
APC 0M-4265 Square D 1-Pole 20A Bolt-On Circuit Breaker
0M-4265
Special Order
$70.80
APC 0M-4713 ABB Circuit Breaker, 3-Pole, 32A, 230V, S/A Tested, SMISS A
APC by Schneider Electric
APC 0M-4713 ABB Circuit Breaker, 3-Pole, 32A, 230V, S/A Tested, SMISS A
0M-4713
Special Order
$212.69
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