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Circuit Protection

Explore our selection of Circuit Protection solutions, offering premium products designed to safeguard electrical systems and ensure reliable operation. Sourced from the world’s most trusted brands, these products meet the highest standards of quality and performance.

From overcurrent and earth fault protection to surge protection and power distribution, our in-stock options are ideal for residential, commercial, and industrial applications. With worldwide shipping available, you can trust us to keep your projects on schedule and secure.

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3RV2011 - 0GA10 3RV2 Motor circuit breaker 0,45 - 0,63A, 0,18kW, S00
$45.10 - $45.10
$45.10
$45.10 - $45.10
$45.10

Siemens 3RV2011-0GA10 SIRIUS Motor Protection Circuit Breaker 3P 0.63A 100kA

In stock

The Siemens 3RV2011-0GA10 (MLFB: 3RV2011-0GA10) is a SIRIUS 3RV2 series motor protection circuit breaker, size S00, designed for motor protection w...

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$45.10 - $45.10
$45.10
$45.10 - $45.10
$45.10
5SL6325 - 6 5SL Miniature circuit breaker 3P B20A 6kA
$16.03 - $16.03
$16.03
$16.03 - $16.03
$16.03

Siemens 5SL6325-6 Miniature Circuit Breaker 3P 25A B 6kA 400V

In stock

The Siemens 5SL6325-6 (MLFB: 5SL6325-6) is a SENTRON 3-pole miniature circuit breaker rated 25A with a B tripping characteristic and 6kA breaking c...

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$16.03 - $16.03
$16.03
$16.03 - $16.03
$16.03
5SL6310 - 6 5SL Miniature circuit breaker 3P B10A 6kA
$15.69 - $15.69
$15.69
$15.69 - $15.69
$15.69

Siemens 5SL6310-6 SENTRON Miniature Circuit Breaker 3P 10A B 6kA

In stock

The Siemens 5SL6310-6 (MLFB: 5SL6310-6) is a 3-pole SENTRON miniature circuit breaker rated at 10 A with a type B tripping characteristic and a bre...

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$15.69 - $15.69
$15.69
$15.69 - $15.69
$15.69
3RV2901 - 1F 3VR2 Auxiliary switch transverse 2NO, screw terminal
$8.09 - $8.09
$8.09
$8.09 - $8.09
$8.09

Siemens 3RV2901-1F SIRIUS Auxiliary Switch 2NO Screw Terminal 3RV2

In stock

The Siemens 3RV2901-1F is a SIRIUS transverse auxiliary switch with 2 instantaneous normally open (NO) contacts and screw terminals. It attaches vi...

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$8.09 - $8.09
$8.09
$8.09 - $8.09
$8.09
5SL6163 - 7 5SL Miniature circuit breaker 1P C63A 6kA
$10.25 - $10.25
$10.25
$10.25 - $10.25
$10.25

Siemens 5SL6163-7 Miniature Circuit Breaker 1P 63A C 6kA 230/400V

Low stock

The Siemens 5SL6163-7 (MLFB: 5SL6163-7) is a 1-pole SENTRON miniature circuit breaker rated at 63 A with a Type C tripping characteristic and a bre...

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$10.25 - $10.25
$10.25
$10.25 - $10.25
$10.25
5SL6302 - 7 5SL Miniature circuit breaker 3P C2A 6kA
$22.10 - $22.10
$22.10
$22.10 - $22.10
$22.10

Siemens 5SL6302-7 SENTRON Miniature Circuit Breaker 3P 2A C 6kA

Low stock

The Siemens 5SL6302-7 is a SENTRON 3-pole miniature circuit breaker rated at 2A with a C tripping characteristic, providing overcurrent and short-c...

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$22.10 - $22.10
$22.10
$22.10 - $22.10
$22.10
5SL6350 - 6 5SL Miniature circuit breaker 3P B50A 6kA
$28.85 - $28.85
$28.85
$28.85 - $28.85
$28.85

Siemens 5SL6350-6 Miniature Circuit Breaker 3P 50A B 6kA 400V

In stock

The Siemens 5SL6350-6 (MLFB: 5SL6350-6) is a 3-pole SENTRON miniature circuit breaker rated at 50 A with a B tripping characteristic and 6 kA break...

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$28.85 - $28.85
$28.85
$28.85 - $28.85
$28.85
5SL6320 - 7 5SL Miniature circuit breaker 3P C20A 6kA
$18.67 - $18.67
$18.67
$18.67 - $18.67
$18.67

Siemens 5SL6320-7 Miniature Circuit Breaker 3P 20A C 6kA 400V

In stock

The Siemens 5SL6320-7 (MLFB: 5SL6320-7) is a SENTRON 3-pole miniature circuit breaker rated at 20 A with a C tripping characteristic and 6 kA break...

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$18.67 - $18.67
$18.67
$18.67 - $18.67
$18.67
5SL6316 - 7 5SL Miniature circuit breaker 3P C16A 6kA
$18.67 - $18.67
$18.67
$18.67 - $18.67
$18.67

Siemens 5SL6316-7 SENTRON Miniature Circuit Breaker 3P 16A C 6kA

In stock

The Siemens 5SL6316-7 (MLFB: 5SL6316-7) is a SENTRON 3-pole miniature circuit breaker rated at 16 A with a C tripping characteristic and 6 kA break...

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$18.67 - $18.67
$18.67
$18.67 - $18.67
$18.67
3VA9111 - 0WF30 Siemens Terminal Cover Extended 3P
$14.35 - $14.35
$14.35
$14.35 - $14.35
$14.35

Siemens 3VA9111-0WF30 Terminal Cover Extended 3P SENTRON 3VA Accessory

In stock

The Siemens 3VA9111-0WF30 is an extended terminal cover accessory for SENTRON 3VA molded case circuit breakers. The extended length covers a longer...

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$14.35 - $14.35
$14.35
$14.35 - $14.35
$14.35
5SL6140 - 7 5SL Miniature circuit breaker 1P C40A 6kA
$8.42 - $8.42
$8.42
$8.42 - $8.42
$8.42

Siemens 5SL6140-7 Miniature Circuit Breaker 1P 40A C 6kA

In stock

The Siemens 5SL6140-7 is a SENTRON miniature circuit breaker rated 40 A, 1-pole, with C tripping characteristic and a breaking capacity of 6 kA per...

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$8.42 - $8.42
$8.42
$8.42 - $8.42
$8.42
5SL6125 - 6 5SL Miniature circuit breaker 1P 25A 6kA
$4.05 - $4.05
$4.05
$4.05 - $4.05
$4.05

Siemens 5SL6125-6 Miniature Circuit Breaker 1P 25A B 6kA

In stock

The Siemens 5SL6125-6 (MLFB: 5SL6125-6) is a SENTRON 1-pole miniature circuit breaker rated at 25 A with B-curve tripping characteristic and a brea...

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$4.05 - $4.05
$4.05
$4.05 - $4.05
$4.05
3RV2011 - 0FA10 3RV2 Motor circuit breaker 0,35 - 0,5A, 0,12kW, S00
$45.49 - $45.49
$45.49
$45.49 - $45.49
$45.49

Siemens 3RV2011-0FA10 SIRIUS Circuit Breaker Motor Protection 0.5A 3P 100kA

Low stock

The Siemens 3RV2011-0FA10 (MLFB: 3RV2011-0FA10) is a SIRIUS 3RV2 series size S00 circuit breaker designed for motor protection. It provides CLASS 1...

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$45.49 - $45.49
$45.49
$45.49 - $45.49
$45.49
3RV2011 - 1KA10 3RV2 Motor circuit breaker 9 - 12,5A, 5,5kW, S00
$59.30 - $59.30
$59.30
$59.30 - $59.30
$59.30

Siemens 3RV2011-1KA10 Motor Protection Circuit Breaker 3P 12.5A 690V

In stock

The Siemens 3RV2011-1KA10 is a size S00, 3-pole motor protection circuit breaker from the SIRIUS 3RV2 range, with an adjustable overload release of...

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$59.30 - $59.30
$59.30
$59.30 - $59.30
$59.30
3RV2011 - 0HA10 3RV2 Motor circuit breaker 0,55 - 0,8A, 0,18kW, S00
$48.01 - $48.01
$48.01
$48.01 - $48.01
$48.01

Siemens 3RV2011-0HA10 Motor Protection Circuit Breaker S00 0.8A 3P

Low stock

The Siemens 3RV2011-0HA10 is a 3-pole motor protection circuit breaker from the SIRIUS 3RV2 series, size S00, combining a thermal overload release ...

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$48.01 - $48.01
$48.01
$48.01 - $48.01
$48.01
3VA9267 - 0FK21 Siemens Door Mounted Rotary Operator IP65 with Door Interlock Accessory for 3VA20/21/22
$69.04 - $69.04
$69.04
$69.04 - $69.04
$69.04

Siemens 3VA9267-0FK21 Door-Coupling Rotary Operator IP65 3VA20/21/22

In stock

The Siemens 3VA9267-0FK21 is a SENTRON door-coupling rotary operating mechanism designed as an accessory for 3VA20, 3VA21, and 3VA22 circuit breake...

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$69.04 - $69.04
$69.04
$69.04 - $69.04
$69.04
3VA9124 - 0KP00 Siemens Plug - In Unit, Complete Kit, 4P 3Va2 100/160/250
$218.98 - $218.98
$218.98
$218.98 - $218.98
$218.98

Siemens 3VA9124-0KP00 Plug-In Unit Complete Kit 4-Pole for 3VA20/21/22

Low stock

The Siemens 3VA9124-0KP00 is a plug-in unit complete kit, identified by MLFB 3VA9124-0KP00, designed as an accessory for 4-pole 3VA20, 3VA21, and 3...

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$218.98 - $218.98
$218.98
$218.98 - $218.98
$218.98
5SL6320 - 6 5SL Miniature circuit breaker 3P B20A 6kA
$15.69 - $15.69
$15.69
$15.69 - $15.69
$15.69

Siemens 5SL6320-6 Miniature Circuit Breaker 3P 20A B 6kA 400V

In stock

The Siemens 5SL6320-6 (MLFB: 5SL6320-6) is a SENTRON 3-pole miniature circuit breaker rated 20 A at 400 V AC with a B tripping characteristic and 6...

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$15.69 - $15.69
$15.69
$15.69 - $15.69
$15.69
5SY4340 - 7 Siemens Miniature Circuit Breaker (MCB), 3P 40A Class C, 400V 10kA
$53.77 - $53.77
$53.77
$53.77 - $53.77
$53.77

Siemens 5SY4340-7 SENTRON Miniature Circuit Breaker 3P C40A 10kA

Low stock

The Siemens 5SY4340-7 is a 3-pole miniature circuit breaker from the SENTRON range, rated at 40A with tripping characteristic C and a breaking capa...

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$53.77 - $53.77
$53.77
$53.77 - $53.77
$53.77
5SY4332 - 7 Siemens Miniature Circuit Breaker (MCB), 3P 32A Class C, 400V 10kA
$40.58 - $40.58
$40.58
$40.58 - $40.58
$40.58

Siemens 5SY4332-7 Miniature Circuit Breaker 3P C32A 10kA

Low stock

The Siemens 5SY4332-7 is a 3-pole miniature circuit breaker from the SENTRON range, rated at 32 A with tripping characteristic C and a breaking cap...

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$40.58 - $40.58
$40.58
$40.58 - $40.58
$40.58
5SY4320 - 6 Siemens Miniature Circuit Breaker (MCB), 3P 20A Class B, 400V 10kA
$35.99 - $35.99
$35.99
$35.99 - $35.99
$35.99

Siemens 5SY4320-6 Miniature Circuit Breaker 3P B20A 10kA SENTRON

In stock

The Siemens 5SY4320-6 is a 3-pole miniature circuit breaker from the SENTRON range, rated at 20 A with tripping characteristic B and a breaking cap...

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$35.99 - $35.99
$35.99
$35.99 - $35.99
$35.99
5SY4316 - 7 Siemens Miniature Circuit Breaker (MCB), 3P 16A Class C, 400V 10kA
$32.23 - $32.23
$32.23
$32.23 - $32.23
$32.23

Siemens 5SY4316-7 Miniature Circuit Breaker 3P C16A 10kA SENTRON

In stock

The Siemens 5SY4316-7 is a 3-pole SENTRON miniature circuit breaker providing overcurrent and short-circuit protection in AC systems up to 400V. Ra...

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$32.23 - $32.23
$32.23
$32.23 - $32.23
$32.23
5SY4120 - 7 Siemens Miniature Circuit Breaker (MCB), 1P 20A Class C, 230 - 400V 10kA
$10.22 - $10.22
$10.22
$10.22 - $10.22
$10.22

Siemens 5SY4120-7 Miniature Circuit Breaker 1P C20A 10kA SENTRON

In stock

The Siemens 5SY4120-7 (MLFB: 5SY4120-7) is a 1-pole SENTRON miniature circuit breaker rated at 20 A with a tripping characteristic class C and a br...

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$10.22 - $10.22
$10.22
$10.22 - $10.22
$10.22
5SY4120 - 6 Siemens Miniature Circuit Breaker (MCB), 1P 20A Class B, 230 - 400V 10kA
$10.64 - $10.64
$10.64
$10.64 - $10.64
$10.64

Siemens 5SY4120-6 Miniature Circuit Breaker 1P B20A 10kA SENTRON

In stock

The Siemens 5SY4120-6 (MLFB: 5SY4120-6) is a SENTRON miniature circuit breaker rated at 20 A with a 1-pole, B-tripping characteristic for AC circui...

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$10.64 - $10.64
$10.64
$10.64 - $10.64
$10.64

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