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Contactors

Ensure reliable control of your electrical systems with our high-performance Contactors. Designed for switching and managing high-power circuits, these essential devices are widely used in industrial, commercial, and residential applications, including motor control, lighting, and heating systems.

Our contactors are sourced from globally trusted brands, offering superior durability, reliability, and compliance with international safety standards. With various models and specifications available, you’ll find the perfect solution to meet your system requirements.

Explore our in-stock selection and benefit from fast, worldwide shipping to optimize your electrical control systems.

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3RT2027 - 1AP04 Siemens Power Contactor 3P 32A 15kW 230VAC 2NO+2NC, Screw Terminal, Size: S0, Removable Auxiliary Switch
$85.89 - $85.89
$85.89
$85.89 - $85.89
$85.89

Siemens 3RT2027-1AP04 Power Contactor 3P 32A 15kW 230VAC 2NO+2NC

Low stock

The Siemens 3RT2027-1AP04 is a 3-pole SIRIUS power contactor rated at 32 A and 15 kW at 400 V under AC-3/AC-3e duty. It operates from a 230 V AC, 5...

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$85.89 - $85.89
$85.89
$85.89 - $85.89
$85.89
3RT2026 - 1BB44 Siemens Power Contactor 3P 25A 11kW 24VDC 2NO+2NC, Screw Terminal, Size: S0, Removable Auxiliary Switch
$94.12 - $94.12
$94.12
$94.12 - $94.12
$94.12

Siemens 3RT2026-1BB44 Power Contactor 3P 25A 11kW 24V DC 2NO+2NC

Low stock

The Siemens 3RT2026-1BB44 is a 3-pole SIRIUS power contactor rated 25 A (AC-3) and 11 kW at 400 V with a 24 V DC control coil. It includes a remova...

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$94.12 - $94.12
$94.12
$94.12 - $94.12
$94.12
3RT2024 - 2KB40 Siemens Power Contactor 3P 12A 5,5kW 400V 24VDC 1NO+1NC, Spring - Loaded Terminal, Size: S0
$64.91 - $64.91
$64.91
$64.91 - $64.91
$64.91

Siemens 3RT2024-2KB40 Power Contactor 3P 12A 5.5kW 24VDC

Low stock

The Siemens 3RT2024-2KB40 is a 3-pole SIRIUS power contactor rated 12 A / 5.5 kW at 400 V (AC-3), designed for switching three-phase induction moto...

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$64.91 - $64.91
$64.91
$64.91 - $64.91
$64.91
3RT2023-2FB44-3MA0 Siemens Power Contactor 3P 9A 4kW 400V 24VDC 2NO+2NC, Spring-Loaded Terminal, Size: S0
$75.24 - $75.24
$75.24
$75.24 - $75.24
$75.24

Siemens 3RT2023-2FB44-3MA0 Power Contactor 3P 9A 4kW 24VDC

Low stock

The Siemens 3RT2023-2FB44-3MA0 is a SIRIUS 3RT2 3-pole power contactor rated at 9 A and 4 kW at 400 V (AC-3/AC-3e), operated by a 24 V DC coil with...

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$75.24 - $75.24
$75.24
$75.24 - $75.24
$75.24
3RT2018 - 1BB42 Siemens Power Contactor 3P 16A 7,5kW 24VDC, Auxiliary Contacts: 1NC, Screw Terminal, Size: S00
$57.60 - $57.60
$57.60
$57.60 - $57.60
$57.60

Siemens 3RT2018-1BB42 SIRIUS Power Contactor 3P 16A 7.5kW 24VDC 1NC

In stock

The Siemens 3RT2018-1BB42 is a SIRIUS 3RT2 series power contactor rated at 16 A / 7.5 kW at 400 V AC-3e/AC-3, designed for switching three-phase mo...

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$57.60 - $57.60
$57.60
$57.60 - $57.60
$57.60
3RT2015 - 1BB42 Siemens Power Contactor 3P 7A 3kW 24VDC, Auxiliary Contacts: 1NC, Screw Terminal, Size: S00
$25.14 - $25.14
$25.14
$25.14 - $25.14
$25.14

Siemens 3RT2015-1BB42 Power Contactor 3P 7A AC-3 24V DC

In stock

The Siemens 3RT2015-1BB42 is a SIRIUS 3RT2 power contactor rated 7 A / 3 kW at 400 V in AC-3 duty, designed to switch three-phase motors and electr...

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$25.14 - $25.14
$25.14
$25.14 - $25.14
$25.14
3RT1054 - 1AV36 Siemens Power Contactor 3P 115A 55kW 2NO+2NC
$328.40 - $328.40
$328.40
$328.40 - $328.40
$328.40

Siemens 3RT1054-1AV36 SIRIUS Power Contactor 3P 115A 55kW 380-420V AC

Low stock

The Siemens 3RT1054-1AV36 (MLFB: 3RT1054-1AV36) is a SIRIUS series 3-pole power contactor rated at 115 A and 55 kW at 400 V under AC-3/AC-3e duty. ...

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$328.40 - $328.40
$328.40
$328.40 - $328.40
$328.40
3RT2025 - 1AP00 - 1AA0 Siemens 3RT Kontaktorius 3P 17A 7,5kW 230VAC 1NO+1NC S0
$46.95 - $46.95
$46.95
$46.95 - $46.95
$46.95

Siemens 3RT2025-1AP00-1AA0 Power Contactor 17A 7.5kW 230V AC

Low stock

The Siemens 3RT2025-1AP00-1AA0 is a SIRIUS 3RT2 series 3-pole power contactor rated at 17 A and 7.5 kW at 400 V for AC-3/AC-3e duty. It operates on...

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$46.95 - $46.95
$46.95
$46.95 - $46.95
$46.95
3RH2921 - 2DA20 3RH Auxiliary switch 2NO 3RH/3RT, lateral, spring terminal
$9.20 - $9.20
$9.20
$9.20 - $9.20
$9.20

Siemens 3RH2921-2DA20 Auxiliary Switch 2NO Lateral Spring Terminal

Low stock

The Siemens 3RH2921-2DA20 is a SIRIUS laterally mountable auxiliary switch with 2 instantaneous normally open (NO) contacts. It snaps onto the left...

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$9.20 - $9.20
$9.20
$9.20 - $9.20
$9.20
3RH2921 - 2DA11 3RH Auxiliary switch 1NO+1NC 3RH/3RT, lateral, spring terminal
$9.54 - $9.54
$9.54
$9.54 - $9.54
$9.54

Siemens 3RH2921-2DA11 SIRIUS Auxiliary Switch 1NO+1NC Spring Terminal

Low stock

The Siemens 3RH2921-2DA11 is a SIRIUS laterally mountable auxiliary switch with 1 NO + 1 NC contacts, designed for snap-on fitting to the left or r...

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$9.54 - $9.54
$9.54
$9.54 - $9.54
$9.54
3RH2921 - 1DA02 3RH Auxiliary switch 2NC 3RH/3RT, lateral, screw terminal
$9.64 - $9.64
$9.64
$9.64 - $9.64
$9.64

Siemens 3RH2921-1DA02 Auxiliary Switch 2NC Lateral Screw Terminal

In stock

The Siemens 3RH2921-1DA02 is a SIRIUS lateral auxiliary switch with 2 instantaneous normally closed (NC) contacts, designed to mount on either side...

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$9.64 - $9.64
$9.64
$9.64 - $9.64
$9.64
3RH2921 - 2DA02 3RH Auxiliary switch 2NC 3RH/3RT, lateral, spring terminal
$9.54 - $9.54
$9.54
$9.54 - $9.54
$9.54

Siemens 3RH2921-2DA02 SIRIUS Auxiliary Switch 2NC Lateral 690V

Low stock

The Siemens 3RH2921-2DA02 is a SIRIUS lateral auxiliary switch with 2 NC instantaneous contacts, designed to snap-on beside 3RT2 contactors and 3RH...

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$9.54 - $9.54
$9.54
$9.54 - $9.54
$9.54
3RH2921 - 1DA20 3RH Auxiliary switch 2NO 3RH/3RT, lateral, screw terminal
$9.20 - $9.20
$9.20
$9.20 - $9.20
$9.20

Siemens 3RH2921-1DA20 Auxiliary Switch 2NO Lateral Screw Terminal

Low stock

The Siemens 3RH2921-1DA20 is a SIRIUS lateral auxiliary switch providing 2 instantaneous normally open contacts for use with 3RT2 contactors and 3R...

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$9.20 - $9.20
$9.20
$9.20 - $9.20
$9.20
3RH2911 - 2FA04 3RH Auxiliary switch 4NC 3RH/3RT, top mounted, spring terminal
$10.23 - $10.23
$10.23
$10.23 - $10.23
$10.23

Siemens 3RH2911-2FA04 SIRIUS Auxiliary Switch 4NC Front 690V

Low stock

The Siemens 3RH2911-2FA04 is a SIRIUS front-mounted auxiliary switch featuring 4 NC instantaneous contacts with spring-loaded terminals. It snaps d...

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$10.23 - $10.23
$10.23
$10.23 - $10.23
$10.23
3RH2911 - 2FA40 3RH Auxiliary switch 4NO 3RH/3RT, top mounted, spring terminal
$10.23 - $10.23
$10.23
$10.23 - $10.23
$10.23

Siemens 3RH2911-2FA40 SIRIUS Auxiliary Switch 4NO Spring Terminal

Low stock

The Siemens 3RH2911-2FA40 is a SIRIUS front-mount auxiliary switch with 4 normally open (NO) instantaneous contacts, designed to snap onto the fron...

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$10.23 - $10.23
$10.23
$10.23 - $10.23
$10.23
3RH2911 - 1DA11 3RH Auxiliary switch 1NO+1NC 3RH/3RT, lateral, screw terminal
$9.20 - $9.20
$9.20
$9.20 - $9.20
$9.20

Siemens 3RH2911-1DA11 SIRIUS Auxiliary Switch 1NO+1NC Lateral

In stock

The Siemens 3RH2911-1DA11 is a SIRIUS lateral auxiliary switch with 1 NO and 1 NC instantaneous contact, designed for snap-on mounting onto 3RT2.1 ...

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$9.20 - $9.20
$9.20
$9.20 - $9.20
$9.20
3RH2911 - 1FA04 3RH Auxiliary switch 4NC 3RH/3RT, top mounted, screw terminal
$10.23 - $10.23
$10.23
$10.23 - $10.23
$10.23

Siemens 3RH2911-1FA04 SIRIUS Auxiliary Switch 4NC 690V Screw Terminal

Low stock

The Siemens 3RH2911-1FA04 is a SIRIUS series auxiliary switch designed to snap onto the front of 3RT2.1 contactors and 3RH2 contactor relays. It pr...

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$10.23 - $10.23
$10.23
$10.23 - $10.23
$10.23
3RH1921 - 2CA01 3RH Auxiliary switch 1NC 3RH/3RT, top mounted, spring terminal
$3.31 - $3.31
$3.31
$3.31 - $3.31
$3.31

Siemens 3RH1921-2CA01 SIRIUS Auxiliary Switch 1NC Spring for 3RT1

In stock

The Siemens 3RH1921-2CA01 is a SIRIUS front-side auxiliary switch with 1 NC instantaneous contact and spring-loaded terminals, designed for snap-on...

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$3.31 - $3.31
$3.31
$3.31 - $3.31
$3.31
3RH1921 - 2CA10 3RH Auxiliary switch 1NO 3RH/3RT, top mounted, spring terminal
$3.31 - $3.31
$3.31
$3.31 - $3.31
$3.31

Siemens 3RH1921-2CA10 SIRIUS Auxiliary Switch 1NO Spring Terminal 3RT1

In stock

The Siemens 3RH1921-2CA10 is a SIRIUS front-mounted auxiliary switch with 1 normally open (NO) instantaneous contact and spring-type terminals, des...

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$3.31 - $3.31
$3.31
$3.31 - $3.31
$3.31
3RT2038 - 1KB40 3RT Contactor 3P 80A 37kW 24VDC 1NA+1NU S2
$256.12 - $256.12
$256.12
$256.12 - $256.12
$256.12

Siemens 3RT2038-1KB40 SIRIUS Power Contactor 80A 37kW 24V DC 3P

In stock

The Siemens 3RT2038-1KB40 is a SIRIUS 3RT2 series power contactor rated at 80 A / 37 kW at 400 V (AC-3/AC-3e), 3-pole, with a 24 V DC control coil....

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$256.12 - $256.12
$256.12
$256.12 - $256.12
$256.12
3RT2038 - 1AP04 3RT Contactor 3P 80A 37kW 230VAC 2NA+2NU S2
Sold out
$189.26 - $189.26
$189.26
$189.26 - $189.26
$189.26

Siemens 3RT2038-1AP04 SIRIUS Power Contactor 80A 37kW 3P 230V AC

Out of stock

The Siemens 3RT2038-1AP04 is a SIRIUS 3RT2 series power contactor rated at 80 A and 37 kW at 400 V for AC-3/AC-3e duty. The 3-pole device is contro...

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$189.26 - $189.26
$189.26
$189.26 - $189.26
$189.26
Sold out
3RT2038 - 1AP00 3RT Contactor 3P 80A 37kW 230VAC 1NA+1NU S2
$179.50 - $179.50
$179.50
$179.50 - $179.50
$179.50

Siemens 3RT2038-1AP00 Power Contactor 3P 80A 37kW 230V AC Coil

Low stock

The Siemens 3RT2038-1AP00 is a SIRIUS 3RT2 series power contactor rated at 80 A and 37 kW at 400 V (AC-3). The 3-pole, size S2 unit operates on a 2...

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$179.50 - $179.50
$179.50
$179.50 - $179.50
$179.50
3RT2037 - 1AP04 3RT Contactor 3P 65A 30kW 230VAC 2NA+2NU S2
$171.27 - $171.27
$171.27
$171.27 - $171.27
$171.27

Siemens 3RT2037-1AP04 Power Contactor 3P 65A 30kW 230V AC Coil

Low stock

The Siemens 3RT2037-1AP04 is a SIRIUS 3RT2 series 3-pole power contactor rated at 65 A (AC-3, 400 V) and 30 kW, designed for switching three-phase ...

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$171.27 - $171.27
$171.27
$171.27 - $171.27
$171.27
3RT2036 - 1KB40 3RT Contactor 3P 50A 22kW 24VDC 1NA+1NU S2
Sold out
$177.96 - $177.96
$177.96
$177.96 - $177.96
$177.96

Siemens 3RT2036-1KB40 Power Contactor 51A 22kW 3P 24V DC

Out of stock

The Siemens 3RT2036-1KB40 is a 3-pole SIRIUS power contactor rated at 51 A and 22 kW / 400 V under AC-3e/AC-3 duty. It operates from a 24 V DC cont...

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$177.96 - $177.96
$177.96
$177.96 - $177.96
$177.96
Sold out
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