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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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Siemens 5SJ4116 - 7HG40 CIRCUIT BREAKER 14KA 1POL C16 Sold out
$31.14 - $31.14
$31.14
$31.14 - $31.14
$31.14

Siemens 5SJ4116-7HG40 Miniature Circuit Breaker 1P C16A 14kA SENTRON

Out of stock

The Siemens 5SJ4116-7HG40 is a 1-pole miniature circuit breaker from the SENTRON range, rated 16 A with tripping characteristic C and a short-circu...

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$31.14 - $31.14
$31.14
$31.14 - $31.14
$31.14
Sold out
Siemens 3VA5112 - 4EC31 - 0AA0 circuit breaker 3VA5 Sold out
$299.30 - $299.30
$299.30
$299.30 - $299.30
$299.30

Siemens 3VA5112-4EC31-0AA0 Molded-Case Circuit Breaker 3P 125A 25kA

Out of stock

The Siemens 3VA5112-4EC31-0AA0 is a 3-pole SENTRON molded-case circuit breaker from the 3VA5 UL Frame 125 series, rated 125 A at 40 °C. It uses a T...

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$299.30 - $299.30
$299.30
$299.30 - $299.30
$299.30
Sold out
5SY4325 - 7 Siemens Miniature Circuit Breaker (MCB), 3P 25A Class C, 400V 10kA
$35.47 - $35.47
$35.47
$35.47 - $35.47
$35.47

Siemens 5SY4325-7 Miniature Circuit Breaker 3P C 25A 10kA SENTRON

In stock

The Siemens 5SY4325-7 is a 3-pole miniature circuit breaker from the SENTRON range, rated at 25A with a type C tripping characteristic for overcurr...

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$35.47 - $35.47
$35.47
$35.47 - $35.47
$35.47
3VA2116 - 5HL32 - 0AA0 Siemens Circuit Breaker (MCCB), 3P 160A 415V 55kA
$542.51 - $542.51
$542.51
$542.51 - $542.51
$542.51

Siemens 3VA2116-5HL32-0AA0 Molded Case Circuit Breaker 3P 160A 55kA ETU320

Low stock

The Siemens 3VA2116-5HL32-0AA0 (MLFB: 3VA2116-5HL32-0AA0) is a SENTRON 3VA2 series molded case circuit breaker designed for line protection in indu...

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$542.51 - $542.51
$542.51
$542.51 - $542.51
$542.51
3RV2011 - 1AA10 3RV2 Motor circuit breaker 1,1 - 1,6A, 0,55kW, S00
$50.79 - $50.79
$50.79
$50.79 - $50.79
$50.79

Siemens 3RV2011-1AA10 SIRIUS Motor Protection Circuit Breaker 1.6A 3P

Low stock

The Siemens 3RV2011-1AA10 is a SIRIUS 3RV2 series motor protection circuit breaker in size S00 for 3-phase AC motor applications. It combines adjus...

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$50.79 - $50.79
$50.79
$50.79 - $50.79
$50.79
5SL6340 - 7 5SL Miniature circuit breaker 3P C40A 6kA
$32.44 - $32.44
$32.44
$32.44 - $32.44
$32.44

Siemens 5SL6340-7 SENTRON Miniature Circuit Breaker 3P 40A C 6kA

Low stock

The Siemens 5SL6340-7 is a SENTRON series 3-pole miniature circuit breaker rated 40 A with a C tripping characteristic and 6 kA breaking capacity a...

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$32.44 - $32.44
$32.44
$32.44 - $32.44
$32.44
5SL6150 - 7 5SL Miniature circuit breaker 1P C50A 6kA
$8.75 - $8.75
$8.75
$8.75 - $8.75
$8.75

Siemens 5SL6150-7 Miniature Circuit Breaker 1P 50A C 6kA

In stock

The Siemens 5SL6150-7 is a 1-pole SENTRON miniature circuit breaker rated 50A with a type C tripping characteristic, designed for overcurrent and s...

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$8.75 - $8.75
$8.75
$8.75 - $8.75
$8.75
3RV2011 - 1BA10 3RV2 Motor circuit breaker 1,4 - 2A, 0,75kW, S00
Sold out
$53.07 - $53.07
$53.07
$53.07 - $53.07
$53.07

Siemens 3RV2011-1BA10 Circuit Breaker Motor Protection 3P 1.4-2A 690V

Out of stock

The Siemens 3RV2011-1BA10 is a 3-pole SIRIUS motor protection circuit breaker, size S00, with CLASS 10 thermal overload protection and an adjustabl...

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$53.07 - $53.07
$53.07
$53.07 - $53.07
$53.07
Sold out
3RV2011 - 0KA10 3RV2 Motor circuit breaker 0,9 - 1,25A, 0,37kW, S00
Sold out
$50.79 - $50.79
$50.79
$50.79 - $50.79
$50.79

Siemens 3RV2011-0KA10 Motor Protection Circuit Breaker 3P 1.25A 100kA

Out of stock

The Siemens 3RV2011-0KA10 is a SIRIUS 3RV2 size S00 circuit breaker for 3-pole motor protection. It provides CLASS 10 thermal overload protection w...

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$50.79 - $50.79
$50.79
$50.79 - $50.79
$50.79
Sold out
3RW3014 - 1BB14 3RW Soft starter 6,5A 200 - 480V 3kW
$250.55 - $250.55
$250.55
$250.55 - $250.55
$250.55

Siemens 3RW3014-1BB14 SIRIUS Soft Starter S00 6.5A 3kW 200-480V

Low stock

The Siemens 3RW3014-1BB14 is a SIRIUS soft starter in frame size S00, rated at 6.5 A and 3 kW at 400 V / 40°C. It provides controlled motor acceler...

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$250.55 - $250.55
$250.55
$250.55 - $250.55
$250.55
3RV2901 - 2E 3RV2 Auxiliary switch transverse 1NO+1NC spring - type terminal
$7.91 - $7.91
$7.91
$7.91 - $7.91
$7.91

Siemens 3RV2901-2E SIRIUS Auxiliary Switch 1NO+1NC Spring Terminal

In stock

The Siemens 3RV2901-2E is a transverse auxiliary switch from the SIRIUS range, designed to plug directly onto Siemens 3RV2 circuit breakers in size...

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$7.91 - $7.91
$7.91
$7.91 - $7.91
$7.91
5ST3020 5ST Fault signal contact 1NO+1NC for 5SL, 5SY, 5SP RCBO 5SU1
$20.87 - $20.87
$20.87
$20.87 - $20.87
$20.87

Siemens 5ST3020 SENTRON Fault Signal Contact 1NO+1NC 440V

In stock

The Siemens 5ST3020 is a SENTRON fault signal contact with a 1 NO + 1 NC contact arrangement, designed to mount on miniature circuit breakers 5SL, ...

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$20.87 - $20.87
$20.87
$20.87 - $20.87
$20.87
5SL6363 - 7 5SL Miniature circuit breaker 3P C63A 6kA
$40.25 - $40.25
$40.25
$40.25 - $40.25
$40.25

Siemens 5SL6363-7 Miniature Circuit Breaker 3P 63A C 6kA

Low stock

The Siemens 5SL6363-7 is a 3-pole SENTRON miniature circuit breaker rated at 63 A with a type C tripping characteristic, designed for overcurrent a...

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$40.25 - $40.25
$40.25
$40.25 - $40.25
$40.25
5SL6350 - 7 5SL Miniature circuit breaker 3P C50A 6kA
$33.05 - $33.05
$33.05
$33.05 - $33.05
$33.05

Siemens 5SL6350-7 Miniature Circuit Breaker 3P 50A C 6kA 400V

Low stock

The Siemens 5SL6350-7 (MLFB: 5SL6350-7) is a SENTRON 3-pole miniature circuit breaker rated 50 A with C tripping characteristic, designed for AC su...

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$33.05 - $33.05
$33.05
$33.05 - $33.05
$33.05
5ST3030 Siemens Shunt Release 110 - 415VAC, for MCB 5SL4, 5SY, 5SP, RCBO 5SU1, FI 5SV
Sold out
$58.98 - $58.98
$58.98
$58.98 - $58.98
$58.98

Siemens 5ST3030 Shunt Release 110-415V AC/DC 2NO SENTRON

Out of stock

The Siemens 5ST3030 (MLFB: 5ST3030) is a SENTRON shunt release designed to remotely trip miniature circuit breakers and residual current devices. I...

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$58.98 - $58.98
$58.98
$58.98 - $58.98
$58.98
Sold out
5SL6332 - 7 5SL Miniature circuit breaker 3P C32A 6kA
Sold out
$22.09 - $22.09
$22.09
$22.09 - $22.09
$22.09

Siemens 5SL6332-7 SENTRON Miniature Circuit Breaker 3P 32A C 6kA

Out of stock

The Siemens 5SL6332-7 (MLFB: 5SL6332-7) is a SENTRON 3-pole miniature circuit breaker rated at 32 A with a C tripping characteristic and 6 kA break...

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$22.09 - $22.09
$22.09
$22.09 - $22.09
$22.09
Sold out
5SL6150 - 6 5SL Miniature circuit breaker 1P B50A 6kA
$6.61 - $6.61
$6.61
$6.61 - $6.61
$6.61

Siemens 5SL6150-6 Miniature Circuit Breaker 1P 50A B 6kA

In stock

The Siemens 5SL6150-6 (MLFB: 5SL6150-6) is a 1-pole SENTRON miniature circuit breaker rated at 50 A with tripping characteristic class B and a brea...

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$6.61 - $6.61
$6.61
$6.61 - $6.61
$6.61
3RV2011 - 1DA10 3RV2 Motor circuit breaker 2,2 - 3,2A, 1,1kW, S00
$53.07 - $53.07
$53.07
$53.07 - $53.07
$53.07

Siemens 3RV2011-1DA10 Motor Protection Circuit Breaker 3P 3.2A S00

In stock

The Siemens 3RV2011-1DA10 is a SIRIUS 3RV2 motor protection circuit breaker in size S00, with an adjustable thermal overload release of 2.2...3.2 A...

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$53.07 - $53.07
$53.07
$53.07 - $53.07
$53.07
3RV2011 - 1FA10 3RV2 Motor circuit breaker 3,5 - 5A, 1,5kW, S00
Sold out
$53.07 - $53.07
$53.07
$53.07 - $53.07
$53.07

Siemens 3RV2011-1FA10 Motor Protection Circuit Breaker 3P 5A

Out of stock

The Siemens 3RV2011-1FA10 is a 3-pole SIRIUS motor protection circuit breaker, size S00, with an adjustable thermal overload release of 3.5...5 A a...

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$53.07 - $53.07
$53.07
$53.07 - $53.07
$53.07
Sold out
5SL6316 - 6 5SL Miniature circuit breaker 3P B16A 6kA
$16.03 - $16.03
$16.03
$16.03 - $16.03
$16.03

Siemens 5SL6316-6 Miniature Circuit Breaker 3P 16A B 6kA 400V

In stock

The Siemens 5SL6316-6 (MLFB: 5SL6316-6) is a 3-pole SENTRON miniature circuit breaker rated at 16 A, 400 V AC, with a breaking capacity of 6 kA and...

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$16.03 - $16.03
$16.03
$16.03 - $16.03
$16.03
5SL6125 - 7 5SL Miniature circuit breaker 1P C25A 6kA
$4.43 - $4.43
$4.43
$4.43 - $4.43
$4.43

Siemens 5SL6125-7 Miniature Circuit Breaker 1P 25A C 6kA

In stock

The Siemens 5SL6125-7 (MLFB: 5SL6125-7) is a 1-pole SENTRON miniature circuit breaker rated 25A with tripping characteristic C and a breaking capac...

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$4.43 - $4.43
$4.43
$4.43 - $4.43
$4.43
5SL6304 - 7 5SL Miniature circuit breaker 3P C4A 6kA
$23.96 - $23.96
$23.96
$23.96 - $23.96
$23.96

Siemens 5SL6304-7 SENTRON Miniature Circuit Breaker 3P 4A C 6kA

Low stock

The Siemens 5SL6304-7 (MLFB: 5SL6304-7) is a SENTRON 3-pole miniature circuit breaker rated at 4A with a Type C tripping characteristic and 6kA bre...

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$23.96 - $23.96
$23.96
$23.96 - $23.96
$23.96
5SL6140 - 6 5SL Miniature circuit breaker 1P B40A 6kA
$5.49 - $5.49
$5.49
$5.49 - $5.49
$5.49

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

In stock

The Siemens 5SL6140-6 (MLFB: 5SL6140-6) is a 1-pole SENTRON miniature circuit breaker rated at 40 A with a B tripping characteristic and 6 kA break...

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$5.49 - $5.49
$5.49
$5.49 - $5.49
$5.49
5SL6132 - 7 5SL Miniature circuit breaker 1P C32A 6kA
$5.65 - $5.65
$5.65
$5.65 - $5.65
$5.65

Siemens 5SL6132-7 SENTRON Miniature Circuit Breaker 1P 32A C 6kA

Low stock

The Siemens 5SL6132-7 (MLFB: 5SL6132-7) is a 1-pole SENTRON miniature circuit breaker rated at 32 A with a Type C tripping characteristic and a bre...

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$5.65 - $5.65
$5.65
$5.65 - $5.65
$5.65

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