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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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3RT2016 - 1BB41 3RT Mini contactor 3P 9A 4kW 24VDC 1NA S00 Sold out
$20.26 - $20.26
$20.26
$20.26 - $20.26
$20.26

Siemens 3RT2016-1BB41 Power Contactor 3P 9A 4kW 24V DC

Out of stock

The Siemens 3RT2016-1BB41 is a 3-pole SIRIUS power contactor rated 9 A and 4 kW at 400 V (AC-3/AC-3e) with a 24 V DC control coil and one NO auxili...

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$20.26 - $20.26
$20.26
$20.26 - $20.26
$20.26
Sold out
3RT2018 - 1BB41 3RT Mini contactor 3P 16A 7,5kW 24VDC 1NA S00 Sold out
$41.69 - $41.69
$41.69
$41.69 - $41.69
$41.69

Siemens 3RT2018-1BB41 Power Contactor 3P 16A 7.5kW 24V DC 1NO S00

Out of stock

The Siemens 3RT2018-1BB41 is a 3-pole SIRIUS power contactor rated at 16 A / 7.5 kW at 400 V (AC-3/AC-3e), controlled by a 24 V DC coil with one bu...

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$41.69 - $41.69
$41.69
$41.69 - $41.69
$41.69
Sold out
3RH2911 - 1HA22 3RH Auxiliary switch 2NO+2NC 3RH/3RT, top mounted, screw terminal Sold out
$7.75 - $7.75
$7.75
$7.75 - $7.75
$7.75

Siemens 3RH2911-1HA22 SIRIUS Auxiliary Switch 2NO+2NC Front 690V

Out of stock

The Siemens 3RH2911-1HA22 is a SIRIUS front-mounted auxiliary switch with 2 NO + 2 NC instantaneous contacts, designed to snap onto the front of 3R...

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$7.75 - $7.75
$7.75
$7.75 - $7.75
$7.75
Sold out
3RT2035 - 1AP00 3RT Contactor 3P 40A 18,5kW 230VAC 1NA+1NU S2
$65.14 - $65.14
$65.14
$65.14 - $65.14
$65.14

Siemens 3RT2035-1AP00 SIRIUS Power Contactor 41A 18.5kW 230V AC

Low stock

The Siemens 3RT2035-1AP00 is a SIRIUS 3RT2 series power contactor for AC-3e/AC-3 duty, rated at 41 A and 18.5 kW / 400 V. It features a 3-pole main...

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$65.14 - $65.14
$65.14
$65.14 - $65.14
$65.14
3RT2026 - 1BB40 3RT Contactor 3P 25A 11kW 24VDC 1NA+1NU S0
Sold out
$69.84 - $69.84
$69.84
$69.84 - $69.84
$69.84

Siemens 3RT2026-1BB40 Power Contactor 25A 11kW 3P 24V DC

Out of stock

The Siemens 3RT2026-1BB40 is a 3-pole SIRIUS power contactor rated at 25 A and 11 kW at 400 V for AC-3/AC-3e duty. Operated by a 24 V DC coil, it f...

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$69.84 - $69.84
$69.84
$69.84 - $69.84
$69.84
Sold out
Siemens 3RH2262-1BB40 SIRIUS 3RH2 Auxiliary Contactor Relay 24 V DC
Sold out
$32.33 - $32.33
$32.33
$32.33 - $32.33
$32.33

Siemens 3RH2262-1BB40 SIRIUS 3RH2 Auxiliary Contactor Relay 24 V DC

Out of stock

The Siemens 3RH2262-1BB40 is a SIRIUS 3RH2 series auxiliary contactor relay engineered to support expanded switching functions in industrial automa...

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$32.33 - $32.33
$32.33
$32.33 - $32.33
$32.33
Sold out
3RT2017 - 1BB41 3RT Mini contactor 3P 12A 5,5kW 24VDC 1NA S00
$23.63 - $23.63
$23.63
$23.63 - $23.63
$23.63

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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$23.63 - $23.63
$23.63
$23.63 - $23.63
$23.63
3RT2016 - 1AP02 Siemens Power Contactor 3P 9A 4kW 230VAC, Auxiliary Contacts: 1NC, Screw Terminal, Size: S00
$16.64 - $16.64
$16.64
$16.64 - $16.64
$16.64

Siemens 3RT2016-1AP02 SIRIUS Power Contactor 3P 9A 4kW 230VAC 1NC

In stock

The Siemens 3RT2016-1AP02 is a SIRIUS 3RT2 size S00 power contactor rated 9 A at AC-3 / 400 V (4 kW), with a 230 V AC 50/60 Hz control coil and one...

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$16.64 - $16.64
$16.64
$16.64 - $16.64
$16.64
3RT2018 - 1AB01 Siemens Power Contactor, Screw Terminal, 3P 16A 7.5 kW/400V 24VAC 1NO
Sold out
$25.21 - $25.21
$25.21
$25.21 - $25.21
$25.21

Siemens 3RT2018-1AB01 SIRIUS Power Contactor 3P 16A 7.5kW 24VAC

Out of stock

The Siemens 3RT2018-1AB01 is a SIRIUS 3RT2 series 3-pole power contactor rated 16 A / 7.5 kW at 400 V (AC-3), operated by a 24 V AC coil at 50/60 H...

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$25.21 - $25.21
$25.21
$25.21 - $25.21
$25.21
Sold out
3RT2015 - 1BB41 3RT Mini contactor 3P 7A 3kW 24VDC 1NA S00
Sold out
$18.93 - $18.93
$18.93
$18.93 - $18.93
$18.93

Siemens 3RT2015-1BB41 SIRIUS Power Contactor 3P 7A AC-3 24V DC

Out of stock

The Siemens 3RT2015-1BB41 is a SIRIUS 3RT2 three-pole power contactor in size S00, rated 7 A at AC-3/400 V (3 kW), controlled by a 24 V DC coil. It...

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$18.93 - $18.93
$18.93
$18.93 - $18.93
$18.93
Sold out
3RH2911 - 1FA40 3RH Auxiliary switch 4NO 3RH/3RT, top mounted, screw terminal
Sold out
$7.41 - $7.41
$7.41
$7.41 - $7.41
$7.41

Siemens 3RH2911-1FA40 SIRIUS Auxiliary Switch 4NO 690V

Out of stock

The Siemens 3RH2911-1FA40 is a SIRIUS front-mounting auxiliary switch with 4 normally open (NO) instantaneous contacts and screw terminals. It snap...

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$7.41 - $7.41
$7.41
$7.41 - $7.41
$7.41
Sold out
3RT2037 - 1KB40 3RT Contactor 3P 65A 30kW 24VDC 1NA+1NU S2
$183.88 - $183.88
$183.88
$183.88 - $183.88
$183.88

Siemens 3RT2037-1KB40 SIRIUS Power Contactor 65A 30kW 24V DC 3-pole

Low stock

The Siemens 3RT2037-1KB40 is a SIRIUS 3RT2 series power contactor rated at 65 A and 30 kW at 400 V, designed for AC-3e/AC-3 motor switching applica...

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$183.88 - $183.88
$183.88
$183.88 - $183.88
$183.88
3RP2574 - 1NW30 Siemens Timing Relay 1...20 s 12 - 240V AC/DC at 50/60 Hz AC Screw Terminal
$43.79 - $43.79
$43.79
$43.79 - $43.79
$43.79

Siemens 3RP2574-1NW30 Timing Relay Star-Delta 1-20s 12-240V AC/DC

Low stock

The Siemens 3RP2574-1NW30 is a SIRIUS electronic timing relay designed for star-delta (wye-delta) motor starting applications. It provides one NO d...

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$43.79 - $43.79
$43.79
$43.79 - $43.79
$43.79
3RT2025 - 1KB40 Siemens Power Contactor 3P 17A 7,5kW 400V 24VDC 1NO+1NC, Spring - Loaded Terminal, Size: S0
Sold out
$56.21 - $56.21
$56.21
$56.21 - $56.21
$56.21

Siemens 3RT2025-1KB40 Power Contactor 3P 17A 7.5kW 24V DC

Out of stock

The Siemens 3RT2025-1KB40 is a SIRIUS 3RT2 series 3-pole power contactor rated at 17 A (AC-3) and 7.5 kW at 400 V, with a 24 V DC control coil oper...

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$56.21 - $56.21
$56.21
$56.21 - $56.21
$56.21
Sold out
3RT2026 - 1KB40 Siemens Power Contactor 3P 25A 11kW 400V 24VDC 1NO+1NC, Screw Terminal, Size: S0
$65.83 - $65.83
$65.83
$65.83 - $65.83
$65.83

Siemens 3RT2026-1KB40 SIRIUS Power Contactor 3P 25A 11kW 24VDC

Low stock

The Siemens 3RT2026-1KB40 is a SIRIUS 3RT2 series power contactor rated for AC-3/AC-3e duty at 25 A and 11 kW at 400 V. The 3-pole, frame size S0 u...

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$65.83 - $65.83
$65.83
$65.83 - $65.83
$65.83
3RT2016 - 1BB42 Siemens Power Contactor 3P 9A 4kW 24VDC, Auxiliary Contacts: 1NC, Screw Terminal, Size: S00
$19.43 - $19.43
$19.43
$19.43 - $19.43
$19.43

Siemens 3RT2016-1BB42 SIRIUS Power Contactor 3P 9A 24VDC 1NC

Low stock

The Siemens 3RT2016-1BB42 is a 3-pole SIRIUS power contactor rated at 9 A and 4 kW at 400 V AC-3, designed for switching three-phase motor loads. I...

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$19.43 - $19.43
$19.43
$19.43 - $19.43
$19.43
3RH1921 - 1CA10 3RH Auxiliary switch 1NO 3RH/3RT, top mounted, screw terminal
$2.52 - $2.52
$2.52
$2.52 - $2.52
$2.52

Siemens 3RH1921-1CA10 SIRIUS Auxiliary Switch 1NO Front Screw Terminal

In stock

The Siemens 3RH1921-1CA10 is a SIRIUS front-side auxiliary switch with 1 NO instantaneous contact and screw terminals, designed to snap onto the fr...

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$2.52 - $2.52
$2.52
$2.52 - $2.52
$2.52
3RH2911 - 1LA11 3RH Auxiliary switch 1NO+1NC 3RH/3RT, top mounted, screw terminal
$5.03 - $5.03
$5.03
$5.03 - $5.03
$5.03

Siemens 3RH2911-1LA11 SIRIUS Auxiliary Switch 1NO+1NC Front Screw

Low stock

The Siemens 3RH2911-1LA11 is a SIRIUS front-mount auxiliary switch with 1 NO and 1 NC instantaneous contacts at terminals 73/74 and 81/82, designed...

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$5.03 - $5.03
$5.03
$5.03 - $5.03
$5.03
3RH2911 - 2HA22 3RH Auxiliary switch 2NO+2NC 3RH/3RT, top mounted, spring terminal
$7.75 - $7.75
$7.75
$7.75 - $7.75
$7.75

Siemens 3RH2911-2HA22 SIRIUS Auxiliary Switch 2NO+2NC 690V

Low stock

The Siemens 3RH2911-2HA22 is a SIRIUS front-mounted auxiliary switch with 2 NO + 2 NC instantaneous contacts, designed to snap onto the front of 3R...

View full details
$7.75 - $7.75
$7.75
$7.75 - $7.75
$7.75
3RT2036 - 1AP00 3RT Contactor 3P 50A 22kW 230VAC 1NA+1NU S2
$82.64 - $82.64
$82.64
$82.64 - $82.64
$82.64

Siemens 3RT2036-1AP00 Power Contactor 51A 22kW 3P 230V AC

Low stock

The Siemens 3RT2036-1AP00 is a SIRIUS 3RT2 series 3-pole power contactor rated at 51 A and 22 kW at 400 V in AC-3/AC-3e duty. It operates on a 230 ...

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$82.64 - $82.64
$82.64
$82.64 - $82.64
$82.64
3RT2026 - 1AP00 3RT Contactor 3P 25A 11kW 230VAC 1NA+1NU S0
$38.34 - $38.34
$38.34
$38.34 - $38.34
$38.34

Siemens 3RT2026-1AP00 Power Contactor 3P 25A 11kW 230V AC

In stock

The Siemens 3RT2026-1AP00 is a SIRIUS 3RT2 series 3-pole power contactor rated 25A at AC-3 / 11kW at 400V, designed for switching three-phase motor...

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$38.34 - $38.34
$38.34
$38.34 - $38.34
$38.34
3RT2025 - 1BB40 3RT Contactor 3P 17A 7,5kW 24VDC 1NA+1NU S0
$59.26 - $59.26
$59.26
$59.26 - $59.26
$59.26

Siemens 3RT2025-1BB40 Power Contactor 3P 17A 7.5kW 24V DC

Low stock

The Siemens 3RT2025-1BB40 is a 3-pole SIRIUS power contactor rated 17 A and 7.5 kW at 400 V in AC-3 duty. Operated by a 24 V DC coil, it includes 1...

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$59.26 - $59.26
$59.26
$59.26 - $59.26
$59.26
3RT2046 - 1AP00 3RT Contactor 3P 95A 45kW 230VAC 1NO+1NC S3
$175.32 - $175.32
$175.32
$175.32 - $175.32
$175.32

Siemens 3RT2046-1AP00 SIRIUS Power Contactor 95A 45kW 230V AC 3P S3

Low stock

The Siemens 3RT2046-1AP00 is a SIRIUS 3RT2 three-pole power contactor rated at 95 A and 45 kW at 400 V for AC-3e/AC-3 motor switching duty. Its 230...

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$175.32 - $175.32
$175.32
$175.32 - $175.32
$175.32
3RT2024 - 1AP00 3RT Contactor 3P 12A 5,5kW 230VAC 1NA+1NU S0
$21.67 - $21.67
$21.67
$21.67 - $21.67
$21.67

Siemens 3RT2024-1AP00 SIRIUS Power Contactor 12A 5.5kW 230V AC

In stock

The Siemens 3RT2024-1AP00 is a SIRIUS 3RT2 series 3-pole power contactor in size S0, rated 12 A and 5.5 kW at 400 V under AC-3/AC-3e duty. It is co...

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$21.67 - $21.67
$21.67
$21.67 - $21.67
$21.67

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