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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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5ST3010 5ST Auxiliary switch 1NO+1NC for 5SL, 5SY, 5SP
$13.37 - $13.37
$13.37
$13.37 - $13.37
$13.37

Siemens 5ST3010 Auxiliary Switch 1NO+1NC 440V SENTRON

In stock

The Siemens 5ST3010 is a SENTRON auxiliary switch with a 1 NO + 1 NC contact arrangement, designed for side-mounting on SENTRON miniature circuit b...

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$13.37 - $13.37
$13.37
$13.37 - $13.37
$13.37
3RV2901 - 1E 3VR2 Auxiliary switch transverse 1NO+1NC screw terminal
$8.95 - $8.95
$8.95
$8.95 - $8.95
$8.95

Siemens 3RV2901-1E SIRIUS Auxiliary Switch Transverse 1NO+1NC Screw

In stock

The Siemens 3RV2901-1E (MLFB: 3RV2901-1E) is a SIRIUS transverse auxiliary switch with 1 NO + 1 NC instantaneous contact, designed for plug-in moun...

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$8.95 - $8.95
$8.95
$8.95 - $8.95
$8.95
5SL6102 - 7 5SL Miniature circuit breaker 1P C2A 6kA
$5.65 - $5.65
$5.65
$5.65 - $5.65
$5.65

Siemens 5SL6102-7 Miniature Circuit Breaker 1P 2A C 6kA

In stock

The Siemens 5SL6102-7 is a 1-pole SENTRON miniature circuit breaker rated at 2A with a type C tripping characteristic and a breaking capacity of 6k...

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$5.65 - $5.65
$5.65
$5.65 - $5.65
$5.65
5SL6104 - 7 5SL Miniature circuit breaker 1P C4A 6kA
$5.90 - $5.90
$5.90
$5.90 - $5.90
$5.90

Siemens 5SL6104-7 Miniature Circuit Breaker 1P 4A C 6kA

In stock

The Siemens 5SL6104-7 is a 1-pole SENTRON miniature circuit breaker rated 4A with C tripping characteristic, providing overload and short-circuit p...

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$5.90 - $5.90
$5.90
$5.90 - $5.90
$5.90
5SL6106 - 7 5SL Miniature circuit breaker 1P C6A 6kA
Sold out
$5.54 - $5.54
$5.54
$5.54 - $5.54
$5.54

Siemens 5SL6106-7 SENTRON Miniature Circuit Breaker 1P 6A C 6kA

Out of stock

The Siemens 5SL6106-7 (MLFB: 5SL6106-7) is a 1-pole SENTRON miniature circuit breaker rated at 6 A with a C tripping characteristic. Designed for A...

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$5.54 - $5.54
$5.54
$5.54 - $5.54
$5.54
Sold out
5SL6110 - 7 5SL Miniature circuit breaker 1P C10A 6kA
Sold out
$4.55 - $4.55
$4.55
$4.55 - $4.55
$4.55

Siemens 5SL6110-7 Miniature Circuit Breaker 1P 10A C 6kA

Out of stock

The Siemens 5SL6110-7 (MLFB: 5SL6110-7) is a SENTRON 1-pole miniature circuit breaker rated 10 A with a type C tripping characteristic and a breaki...

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$4.55 - $4.55
$4.55
$4.55 - $4.55
$4.55
Sold out
3RV2011 - 1HA10 3RV2 Motor circuit breaker 5,5 - 8A, 3kW, S00
$58.71 - $58.71
$58.71
$58.71 - $58.71
$58.71

Siemens 3RV2011-1HA10 Motor Protection Circuit Breaker S00 5.5-8A

In stock

The Siemens 3RV2011-1HA10 is a 3-pole SIRIUS motor protection circuit breaker, size S00, with a CLASS 10 thermal overload release adjustable from 5...

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$58.71 - $58.71
$58.71
$58.71 - $58.71
$58.71
3RV2011 - 1CA10 3RV2 Motor circuit breaker 1,8 - 2,5A, 0,75kW, S00
$53.09 - $53.09
$53.09
$53.09 - $53.09
$53.09

Siemens 3RV2011-1CA10 SIRIUS Motor Protection Circuit Breaker 3P 2.5A

In stock

The Siemens 3RV2011-1CA10 is a SIRIUS 3RV2 three-pole motor protection circuit breaker, size S00, with an adjustable overload release range of 1.8-...

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$53.09 - $53.09
$53.09
$53.09 - $53.09
$53.09
3RV2901 - 1A 3RV2 Auxiliary switch 1NO+1NC, side mounting, screw terminal
Sold out
$8.95 - $8.95
$8.95
$8.95 - $8.95
$8.95

Siemens 3RV2901-1A SIRIUS Auxiliary Switch 1NO+1NC Screw Terminal

Out of stock

The Siemens 3RV2901-1A is a lateral auxiliary switch from the SIRIUS range, designed to mount on the side of 3RV2 circuit breakers in sizes S00, S0...

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$8.95 - $8.95
$8.95
$8.95 - $8.95
$8.95
Sold out
Siemens 5SJ4106 - 7HG40 CIRCUIT BREAKER 14KA 1POL C6
Sold out
$37.51 - $37.51
$37.51
$37.51 - $37.51
$37.51

Siemens 5SJ4106-7HG40 Miniature Circuit Breaker 1P C6A 14kA SENTRON

Out of stock

The Siemens 5SJ4106-7HG40 is a SENTRON miniature circuit breaker from the 5SJ4 series, providing overcurrent and short-circuit protection in a sing...

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$37.51 - $37.51
$37.51
$37.51 - $37.51
$37.51
Sold out
Siemens 5SJ4120 - 7HG40 CIRCUIT BREAKER 14KA 1POL C20
Sold out
$31.15 - $31.15
$31.15
$31.15 - $31.15
$31.15

Siemens 5SJ4120-7HG40 Miniature Circuit Breaker 1P C20A 14kA SENTRON

Out of stock

The Siemens 5SJ4120-7HG40 is a SENTRON miniature circuit breaker: 1 pole, tripping characteristic C, rated at 20 A. It delivers short-circuit prote...

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$31.15 - $31.15
$31.15
$31.15 - $31.15
$31.15
Sold out
Siemens 5SJ4108 - 7HG40 CIRCUIT BREAKER 14KA 1POL C8
Sold out
$37.51 - $37.51
$37.51
$37.51 - $37.51
$37.51

Siemens 5SJ4108-7HG40 Miniature Circuit Breaker 1P 8A C 14kA

Out of stock

The Siemens 5SJ4108-7HG40 is a single-pole SENTRON miniature circuit breaker with a C tripping characteristic and 8 A rated current at 40Β°C. Certif...

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$37.51 - $37.51
$37.51
$37.51 - $37.51
$37.51
Sold out
Siemens 5SJ4104 - 7HG40 CIRCUIT BREAKER 14KA 1POL C4
Sold out
$37.51 - $37.51
$37.51
$37.51 - $37.51
$37.51

Siemens 5SJ4104-7HG40 Miniature Circuit Breaker 1P 4A C 14kA 240V UL489

Out of stock

The Siemens 5SJ4104-7HG40 (MLFB: 5SJ4104-7HG40) is a 1-pole miniature circuit breaker from the SENTRON 5SJ4 range, rated 4A with tripping character...

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$37.51 - $37.51
$37.51
$37.51 - $37.51
$37.51
Sold out
Siemens 3RT2916 - 1BB00 SIRIUS Varistor Surge Suppressor 24 - 48V AC for 3RT2.1
Sold out
$5.95 - $5.95
$5.95
$5.95 - $5.95
$5.95

Siemens 3RT2916-1BB00 SIRIUS Varistor Surge Suppressor 24-48V AC for 3RT2.1

Out of stock

The Siemens 3RT2916-1BB00 is a SIRIUS varistor surge suppressor designed to clip onto 3RT2.1 contactors (size S00) and 3RH2 auxiliary contactors. I...

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$5.95 - $5.95
$5.95
$5.95 - $5.95
$5.95
Sold out
3RV2011 - 4AA10 3RV2 Motor circuit breaker 11 - 16A, 7,5kW, S00
$70.96 - $70.96
$70.96
$70.96 - $70.96
$70.96

Siemens 3RV2011-4AA10 Motor Protection Circuit Breaker 3P 10-16A

Low stock

The Siemens 3RV2011-4AA10 is a SIRIUS 3RV2 three-pole motor protection circuit breaker in size S00, with a thermal overload release adjustable from...

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$70.96 - $70.96
$70.96
$70.96 - $70.96
$70.96
3RT2017 - 1BB41 3RT Mini contactor 3P 12A 5,5kW 24VDC 1NA S00
$32.82 - $32.82
$32.82
$32.82 - $32.82
$32.82

Siemens 3RT2017-1BB41 Power Contactor 3P 12A 5.5kW 24V DC

Low stock

The Siemens 3RT2017-1BB41 is a SIRIUS 3RT2 series 3-pole power contactor rated at 12 A AC-3 and 5.5 kW at 400 V. It features a 24 V DC control coil...

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$32.82 - $32.82
$32.82
$32.82 - $32.82
$32.82
3RV2011 - 0JA10 3RV2 Motor circuit breaker 0,7 - 1A, 0,25kW, S00
$48.03 - $48.03
$48.03
$48.03 - $48.03
$48.03

Siemens 3RV2011-0JA10 Motor Protection Circuit Breaker 3P 1A 690V

Low stock

The Siemens 3RV2011-0JA10 is a 3-pole, size S00 SIRIUS motor protection circuit breaker with an adjustable thermal overload release of 0.7...1 A an...

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$48.03 - $48.03
$48.03
$48.03 - $48.03
$48.03
5SL6120 - 7 5SL Miniature circuit breaker 1P C20A 6kA
$4.55 - $4.55
$4.55
$4.55 - $4.55
$4.55

Siemens 5SL6120-7 Miniature Circuit Breaker 1P 20A C 6kA

In stock

The Siemens 5SL6120-7 is a 1-pole SENTRON miniature circuit breaker rated at 20A with a type C tripping characteristic and 6kA breaking capacity. D...

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$4.55 - $4.55
$4.55
$4.55 - $4.55
$4.55
3RV2011 - 0EA10 3RV2 Motor circuit breaker 0,28 - 0,4A, 0,09kW, S00
$44.72 - $44.72
$44.72
$44.72 - $44.72
$44.72

Siemens 3RV2011-0EA10 Motor Protection Circuit Breaker 3P 0.4A 100kA

Low stock

The Siemens 3RV2011-0EA10 (MLFB: 3RV2011-0EA10) is a SIRIUS 3RV2 series motor protection circuit breaker, size S00, designed for Class 10 motor pro...

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$44.72 - $44.72
$44.72
$44.72 - $44.72
$44.72
3RV2011 - 1JA10 3RV2 Motor circuit breaker 7 - 10A, 4kW, S00
$59.32 - $59.32
$59.32
$59.32 - $59.32
$59.32

Siemens 3RV2011-1JA10 Motor Protection Circuit Breaker 3P 7-10A S00

Low stock

The Siemens 3RV2011-1JA10 is a SIRIUS 3RV2 size S00 motor protection circuit breaker with an adjustable thermal overload release of 7-10 A and a ra...

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$59.32 - $59.32
$59.32
$59.32 - $59.32
$59.32
3RV2011 - 1GA10 3RV2 Motor circuit breaker 4,5 - 6,3A, 2,2kW, S00
Sold out
$53.09 - $53.09
$53.09
$53.09 - $53.09
$53.09

Siemens 3RV2011-1GA10 Motor Protection Circuit Breaker 3P 6.3A 690V

Out of stock

The Siemens 3RV2011-1GA10 is a SIRIUS 3RV2 series motor protection circuit breaker, size S00, with a 3-pole configuration and an adjustable overloa...

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$53.09 - $53.09
$53.09
$53.09 - $53.09
$53.09
Sold out
Siemens 5SJ4140 - 7HG40 CIRCUIT BREAKER 14KA 1POL C40
Sold out
$46.86 - $46.86
$46.86
$46.86 - $46.86
$46.86

Siemens 5SJ4140-7HG40 Miniature Circuit Breaker 1P C40A 14kA

Out of stock

The Siemens 5SJ4140-7HG40 is a 1-pole SENTRON miniature circuit breaker rated 40A with C tripping characteristic. It provides overload and short-ci...

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$46.86 - $46.86
$46.86
$46.86 - $46.86
$46.86
Sold out
Siemens 5SY6202 - 7 SENTRON 2P Miniature Circuit Breaker C 2A 6kA
Sold out
$35.54 - $35.54
$35.54
$35.54 - $35.54
$35.54

Siemens 5SY6202-7 SENTRON 2P Miniature Circuit Breaker C 2A 6kA

Out of stock

The Siemens 5SY6202-7 is a SENTRON 2-pole miniature circuit breaker rated 2 A on a C tripping characteristic. It provides combined overload and sho...

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$35.54 - $35.54
$35.54
$35.54 - $35.54
$35.54
Sold out
Siemens 5SU1324 - 7FA06 SENTRON RCBO 2P Type A C 6A 30mA 10kA
Sold out
$79.25 - $79.25
$79.25
$79.25 - $79.25
$79.25

Siemens 5SU1324-7FA06 SENTRON RCBO 2P Type A C 6A 30mA 10kA

Out of stock

The Siemens 5SU1324-7FA06 is a SENTRON 2-pole RCBO (residual current circuit breaker with overcurrent protection) rated 6 A on a C tripping charact...

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$79.25 - $79.25
$79.25
$79.25 - $79.25
$79.25
Sold out

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