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Relays and Contactors

Optimize your electrical control systems with our premium Relays and Contactors. Designed for precise switching and control, these devices are essential for managing power in residential, commercial, and industrial applications.

Our selection features high-quality relays and contactors from globally trusted brands, ensuring reliability, durability, and compliance with international standards. Whether for automation systems, motor control, or circuit switching, these components deliver exceptional performance and longevity.

Browse our in-stock range and enjoy fast, worldwide shipping to keep your electrical systems running smoothly and efficiently.

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3RT2017 - 1AP02 3RT Mini contactor 3P 12A 5,5kW 230VAC 1NU S00
$20.49 - $20.49
$20.49
$20.49 - $20.49
$20.49

Siemens 3RT2017-1AP02 SIRIUS Power Contactor 12A 5.5kW 3P 230V AC

In stock

The Siemens 3RT2017-1AP02 is a SIRIUS 3RT2 power contactor rated at 12 A and 5.5 kW at 400 V in AC-3/AC-3e duty, for switching three-phase AC loads...

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$20.49 - $20.49
$20.49
$20.49 - $20.49
$20.49
3RT2038 - 1KB40 3RT Contactor 3P 80A 37kW 24VDC 1NA+1NU S2
$185.15 - $185.15
$185.15
$185.15 - $185.15
$185.15

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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$185.15 - $185.15
$185.15
$185.15 - $185.15
$185.15
3RT2026 - 1BB44 Siemens Power Contactor 3P 25A 11kW 24VDC 2NO+2NC, Screw Terminal, Size: S0, Removable Auxiliary Switch
$68.04 - $68.04
$68.04
$68.04 - $68.04
$68.04

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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$68.04 - $68.04
$68.04
$68.04 - $68.04
$68.04
3RT2027 - 1BB44 Siemens Power Contactor 3P 32A 15kW 24VDC 2NO+2NC, Screw Terminal, Size: S0, Removable Auxiliary Switch
$89.61 - $89.61
$89.61
$89.61 - $89.61
$89.61

Siemens 3RT2027-1BB44 SIRIUS Power Contactor 3P 32A 15kW 24V DC

Low stock

The Siemens 3RT2027-1BB44 is a SIRIUS power contactor from the 3RT2 range, rated for AC-3e/AC-3 motor switching duty at 32 A and 15 kW at 400 V. It...

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$89.61 - $89.61
$89.61
$89.61 - $89.61
$89.61
3RT1055 - 6AP36 3RT Contactor 3P 150A 75kW 230VAC 2NO+2NC
$319.83 - $319.83
$319.83
$319.83 - $319.83
$319.83

Siemens 3RT1055-6AP36 Power Contactor 150A 75kW 3P 220-240V AC/DC

Low stock

The Siemens 3RT1055-6AP36 is a SIRIUS 3RT1 size S6 3-pole power contactor designed for AC-3e/AC-3 motor and load switching duties. Rated at 150 A a...

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$319.83 - $319.83
$319.83
$319.83 - $319.83
$319.83
3RT2018 - 1BB42 Siemens Power Contactor 3P 16A 7,5kW 24VDC, Auxiliary Contacts: 1NC, Screw Terminal, Size: S00
$41.64 - $41.64
$41.64
$41.64 - $41.64
$41.64

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

Low 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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$41.64 - $41.64
$41.64
$41.64 - $41.64
$41.64
3RT2016 - 1AP01 3RT Mini contactor 3P 9A 4kW 230VAC 1NA S00
$16.62 - $16.62
$16.62
$16.62 - $16.62
$16.62

Siemens 3RT2016-1AP01 Power Contactor 3P 9A 4kW 230V AC

In stock

The Siemens 3RT2016-1AP01 is a SIRIUS 3RT2 series power contactor rated at 9 A (AC-3) and 4 kW at 400 V. It provides 3-pole main circuit switching ...

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$16.62 - $16.62
$16.62
$16.62 - $16.62
$16.62
3RT2024 - 1BB44 3RT Contactor 3P 12A 5,5kW 24VDC 2NA+2NU S0
$49.82 - $49.82
$49.82
$49.82 - $49.82
$49.82

Siemens 3RT2024-1BB44 Power Contactor 3P 12A 5.5kW 24VDC

Low stock

The Siemens 3RT2024-1BB44 is a SIRIUS 3RT2 series power contactor rated 12 A / 5.5 kW at 400 V AC-3. The 3-pole size S0 unit operates from a 24 V D...

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$49.82 - $49.82
$49.82
$49.82 - $49.82
$49.82
3RT2025 - 1BB44 3RT Contactor 3P 17A 7,5kW 24VDC 2NA+2NU S0
$58.38 - $58.38
$58.38
$58.38 - $58.38
$58.38

Siemens 3RT2025-1BB44 Power Contactor 17A 7.5kW/400V 3P 24V DC

Low stock

The Siemens 3RT2025-1BB44 is a SIRIUS 3RT2 3-pole power contactor rated at 17 A and 7.5 kW at 400 V (AC-3/AC-3e). It operates on a 24 V DC control ...

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$58.38 - $58.38
$58.38
$58.38 - $58.38
$58.38
3RH1921 - 2CA10 3RH Auxiliary switch 1NO 3RH/3RT, top mounted, spring terminal
$2.39 - $2.39
$2.39
$2.39 - $2.39
$2.39

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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$2.39 - $2.39
$2.39
$2.39 - $2.39
$2.39
3RT2028 - 1BB44 Siemens Power Contactor 3P 38A 18,5kW 24VDC 2NO+2NC, Screw Terminal, Size: S0, Removable Auxiliary Switch
$98.52 - $98.52
$98.52
$98.52 - $98.52
$98.52

Siemens 3RT2028-1BB44 SIRIUS Power Contactor 3P 38A 18.5kW 24VDC

Low stock

The Siemens 3RT2028-1BB44 is a SIRIUS 3RT2 series power contactor rated at 38 A and 18.5 kW at 400 V AC-3e/AC-3, with a 24 V DC control coil and a ...

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$98.52 - $98.52
$98.52
$98.52 - $98.52
$98.52
3RT2026 - 1AP04 3RT Contactor 3P 25A 11kW 230VAC 2NA+2NU S0
$46.47 - $46.47
$46.47
$46.47 - $46.47
$46.47

Siemens 3RT2026-1AP04 Power Contactor 3P 25A 11kW 230V AC

Low stock

The Siemens 3RT2026-1AP04 is a SIRIUS 3RT2 series 3-pole power contactor rated 25 A / 11 kW at 400 V in AC-3 duty. It operates on a 230 V AC, 50 Hz...

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$46.47 - $46.47
$46.47
$46.47 - $46.47
$46.47
3RT2046 - 1KB40 Siemens Power Contactor 3P 95A 45kW 400V 24VDC 1NO+1NC, Screw Terminal, Size: S3
$227.11 - $227.11
$227.11
$227.11 - $227.11
$227.11

Siemens 3RT2046-1KB40 SIRIUS Power Contactor 3P 95A 45kW 24VDC

Low stock

The Siemens 3RT2046-1KB40 is a SIRIUS 3RT2 series power contactor rated at 95 A and 45 kW at 400 V AC-3/AC-3e, with a 24 V DC control coil operatin...

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$227.11 - $227.11
$227.11
$227.11 - $227.11
$227.11
3RH2911 - 2FA04 3RH Auxiliary switch 4NC 3RH/3RT, top mounted, spring terminal
$7.40 - $7.40
$7.40
$7.40 - $7.40
$7.40

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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$7.40 - $7.40
$7.40
$7.40 - $7.40
$7.40
3RT2027 - 1AP04 Siemens Power Contactor 3P 32A 15kW 230VAC 2NO+2NC, Screw Terminal, Size: S0, Removable Auxiliary Switch
$62.09 - $62.09
$62.09
$62.09 - $62.09
$62.09

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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$62.09 - $62.09
$62.09
$62.09 - $62.09
$62.09
3RT2023 - 1AP00 3RT Contactor 3P 9A 4kW 230VAC 1NA+1NU S0
$18.29 - $18.29
$18.29
$18.29 - $18.29
$18.29

Siemens 3RT2023-1AP00 Power Contactor 9A 4kW 3P 230V AC

In stock

The Siemens 3RT2023-1AP00 is a SIRIUS power contactor, 3-pole, rated 9 A at AC-3e/AC-3 and 4 kW at 400 V. The control coil operates at 230 V AC, 50...

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$18.29 - $18.29
$18.29
$18.29 - $18.29
$18.29
3RT2023 - 1BB40 3RT Contactor 3P 9A 4kW 24VDC 1NA+1NU S0
$39.04 - $39.04
$39.04
$39.04 - $39.04
$39.04

Siemens 3RT2023-1BB40 Power Contactor 9A 4kW 3P 24V DC S0

In stock

The Siemens 3RT2023-1BB40 is a SIRIUS 3RT2 series 3-pole power contactor rated 9 A at 400 V (AC-3) with an operating power of 4 kW at 400 V. It is ...

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$39.04 - $39.04
$39.04
$39.04 - $39.04
$39.04
3RH2911 - 1DA11 3RH Auxiliary switch 1NO+1NC 3RH/3RT, lateral, screw terminal
$6.65 - $6.65
$6.65
$6.65 - $6.65
$6.65

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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$6.65 - $6.65
$6.65
$6.65 - $6.65
$6.65
3RT2025 - 1AP00 - 1AA0 Siemens 3RT Kontaktorius 3P 17A 7,5kW 230VAC 1NO+1NC S0
$33.94 - $33.94
$33.94
$33.94 - $33.94
$33.94

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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$33.94 - $33.94
$33.94
$33.94 - $33.94
$33.94
3RT2045 - 1AP00 Siemens Power Contactor 3P AC - 3e/AC - 3, 80A 37kW/400V 230VAC, 1NO+1NC, Screw Terminal, Size: S3
$148.32 - $148.32
$148.32
$148.32 - $148.32
$148.32

Siemens 3RT2045-1AP00 SIRIUS Power Contactor 3P 80A 37kW 230VAC

Low stock

The Siemens 3RT2045-1AP00 is a SIRIUS 3RT2 series power contactor rated at 80 A and 37 kW at 400 V under AC-3 duty. This 3-pole, size S3 contactor ...

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$148.32 - $148.32
$148.32
$148.32 - $148.32
$148.32
3RT2027 - 1BB40 3RT Contactor 3P 32A 15kW 24VDC 1NA+1NU S0
Sold out
$82.91 - $82.91
$82.91
$82.91 - $82.91
$82.91

Siemens 3RT2027-1BB40 Power Contactor 3P 32A 15kW 24V DC Coil

Out of stock

The Siemens 3RT2027-1BB40 is a SIRIUS 3RT2 3-pole power contactor rated 32 A / 15 kW at 400 V under AC-3 and AC-3e utilization categories with a 24...

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$82.91 - $82.91
$82.91
$82.91 - $82.91
$82.91
Sold out
3RH2921 - 2DA20 3RH Auxiliary switch 2NO 3RH/3RT, lateral, spring terminal
$6.65 - $6.65
$6.65
$6.65 - $6.65
$6.65

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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$6.65 - $6.65
$6.65
$6.65 - $6.65
$6.65
3RH1921 - 2CA01 3RH Auxiliary switch 1NC 3RH/3RT, top mounted, spring terminal
$2.39 - $2.39
$2.39
$2.39 - $2.39
$2.39

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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$2.39 - $2.39
$2.39
$2.39 - $2.39
$2.39
3RH1921 - 1CA01 3RH Auxiliary switch 1NC 3RH/3RT, top mounted, screw terminal
$2.39 - $2.39
$2.39
$2.39 - $2.39
$2.39

Siemens 3RH1921-1CA01 SIRIUS Auxiliary Switch 1NC 690V Screw Terminal

Low stock

The Siemens 3RH1921-1CA01 is a front-side auxiliary switch from the SIRIUS range, featuring 1 instantaneous NC contact with screw terminals. It sna...

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$2.39 - $2.39
$2.39
$2.39 - $2.39
$2.39

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