Skip to content
Can't find what you're looking for? Reach out to us!
Can't find what you're looking for? Reach out to us!

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.

Filters

3RH2921 - 1DA20 3RH Auxiliary switch 2NO 3RH/3RT, lateral, screw terminal
$6.54 - $6.54
$6.54
$6.54 - $6.54
$6.54

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...

View full details
$6.54 - $6.54
$6.54
$6.54 - $6.54
$6.54
3RT2035 - 1AP04 3RT Contactor 3P 40A 18,5kW 230VAC 2NA+2NU S2
$69.83 - $69.83
$69.83
$69.83 - $69.83
$69.83

Siemens 3RT2035-1AP04 SIRIUS Power Contactor 41A 18.5kW 230V AC 3P

Low stock

The Siemens 3RT2035-1AP04 (MLFB: 3RT2035-1AP04) is a SIRIUS 3RT2 series 3-pole power contactor rated at 41 A / 18.5 kW at 400 V AC-3, designed for ...

View full details
$69.83 - $69.83
$69.83
$69.83 - $69.83
$69.83
3RT2015 - 1BB42 Siemens Power Contactor 3P 7A 3kW 24VDC, Auxiliary Contacts: 1NC, Screw Terminal, Size: S00
$17.87 - $17.87
$17.87
$17.87 - $17.87
$17.87

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...

View full details
$17.87 - $17.87
$17.87
$17.87 - $17.87
$17.87
3RH2911 - 2FA40 3RH Auxiliary switch 4NO 3RH/3RT, top mounted, spring terminal
$7.27 - $7.27
$7.27
$7.27 - $7.27
$7.27

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...

View full details
$7.27 - $7.27
$7.27
$7.27 - $7.27
$7.27
3RT2025 - 1AP00 3RT Contactor 3P 17A 7,5kW 230VAC 1NA+1NU S0
$29.47 - $29.47
$29.47
$29.47 - $29.47
$29.47

Siemens 3RT2025-1AP00 SIRIUS Power Contactor 17A 3P 230V AC

In stock

The Siemens 3RT2025-1AP00 is a 3-pole SIRIUS power contactor from the 3RT2 series, rated 17 A and 7.5 kW at 400 V in AC-3/AC-3e duty. It is equippe...

View full details
$29.47 - $29.47
$29.47
$29.47 - $29.47
$29.47
3RT2038 - 1AP04 3RT Contactor 3P 80A 37kW 230VAC 2NA+2NU S2
Sold out
$134.53 - $134.53
$134.53
$134.53 - $134.53
$134.53

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...

View full details
$134.53 - $134.53
$134.53
$134.53 - $134.53
$134.53
Sold out
3RH2921 - 2DA11 3RH Auxiliary switch 1NO+1NC 3RH/3RT, lateral, spring terminal
$6.78 - $6.78
$6.78
$6.78 - $6.78
$6.78

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...

View full details
$6.78 - $6.78
$6.78
$6.78 - $6.78
$6.78
3RT2024 - 2KB40 Siemens Power Contactor 3P 12A 5,5kW 400V 24VDC 1NO+1NC, Spring - Loaded Terminal, Size: S0
$46.14 - $46.14
$46.14
$46.14 - $46.14
$46.14

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...

View full details
$46.14 - $46.14
$46.14
$46.14 - $46.14
$46.14
3RT2038 - 1KB40 3RT Contactor 3P 80A 37kW 24VDC 1NA+1NU S2
$182.06 - $182.06
$182.06
$182.06 - $182.06
$182.06

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....

View full details
$182.06 - $182.06
$182.06
$182.06 - $182.06
$182.06
3RT2026 - 1BB44 Siemens Power Contactor 3P 25A 11kW 24VDC 2NO+2NC, Screw Terminal, Size: S0, Removable Auxiliary Switch
$66.90 - $66.90
$66.90
$66.90 - $66.90
$66.90

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...

View full details
$66.90 - $66.90
$66.90
$66.90 - $66.90
$66.90
3RT2027 - 1BB44 Siemens Power Contactor 3P 32A 15kW 24VDC 2NO+2NC, Screw Terminal, Size: S0, Removable Auxiliary Switch
Sold out
$88.11 - $88.11
$88.11
$88.11 - $88.11
$88.11

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

Out of 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...

View full details
$88.11 - $88.11
$88.11
$88.11 - $88.11
$88.11
Sold out
3RT2018 - 1BB42 Siemens Power Contactor 3P 16A 7,5kW 24VDC, Auxiliary Contacts: 1NC, Screw Terminal, Size: S00
$40.94 - $40.94
$40.94
$40.94 - $40.94
$40.94

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...

View full details
$40.94 - $40.94
$40.94
$40.94 - $40.94
$40.94
3RT2016 - 1AP01 3RT Mini contactor 3P 9A 4kW 230VAC 1NA S00
$16.34 - $16.34
$16.34
$16.34 - $16.34
$16.34

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 ...

View full details
$16.34 - $16.34
$16.34
$16.34 - $16.34
$16.34
3RT2024 - 1BB44 3RT Contactor 3P 12A 5,5kW 24VDC 2NA+2NU S0
$48.99 - $48.99
$48.99
$48.99 - $48.99
$48.99

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...

View full details
$48.99 - $48.99
$48.99
$48.99 - $48.99
$48.99
3RT2025 - 1BB44 3RT Contactor 3P 17A 7,5kW 24VDC 2NA+2NU S0
$57.40 - $57.40
$57.40
$57.40 - $57.40
$57.40

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 ...

View full details
$57.40 - $57.40
$57.40
$57.40 - $57.40
$57.40
3RH1921 - 2CA10 3RH Auxiliary switch 1NO 3RH/3RT, top mounted, spring terminal
$2.35 - $2.35
$2.35
$2.35 - $2.35
$2.35

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...

View full details
$2.35 - $2.35
$2.35
$2.35 - $2.35
$2.35
3RT2028 - 1BB44 Siemens Power Contactor 3P 38A 18,5kW 24VDC 2NO+2NC, Screw Terminal, Size: S0, Removable Auxiliary Switch
$96.88 - $96.88
$96.88
$96.88 - $96.88
$96.88

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 ...

View full details
$96.88 - $96.88
$96.88
$96.88 - $96.88
$96.88
3RT2026 - 1AP04 3RT Contactor 3P 25A 11kW 230VAC 2NA+2NU S0
$45.70 - $45.70
$45.70
$45.70 - $45.70
$45.70

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...

View full details
$45.70 - $45.70
$45.70
$45.70 - $45.70
$45.70
3RT2046 - 1KB40 Siemens Power Contactor 3P 95A 45kW 400V 24VDC 1NO+1NC, Screw Terminal, Size: S3
$223.32 - $223.32
$223.32
$223.32 - $223.32
$223.32

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...

View full details
$223.32 - $223.32
$223.32
$223.32 - $223.32
$223.32
3RH2911 - 2FA04 3RH Auxiliary switch 4NC 3RH/3RT, top mounted, spring terminal
$7.27 - $7.27
$7.27
$7.27 - $7.27
$7.27

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...

View full details
$7.27 - $7.27
$7.27
$7.27 - $7.27
$7.27
3RT2027 - 1AP04 Siemens Power Contactor 3P 32A 15kW 230VAC 2NO+2NC, Screw Terminal, Size: S0, Removable Auxiliary Switch
$61.05 - $61.05
$61.05
$61.05 - $61.05
$61.05

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...

View full details
$61.05 - $61.05
$61.05
$61.05 - $61.05
$61.05
3RT2023 - 1AP00 3RT Contactor 3P 9A 4kW 230VAC 1NA+1NU S0
$17.99 - $17.99
$17.99
$17.99 - $17.99
$17.99

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...

View full details
$17.99 - $17.99
$17.99
$17.99 - $17.99
$17.99
3RT2023 - 1BB40 3RT Contactor 3P 9A 4kW 24VDC 1NA+1NU S0
$38.39 - $38.39
$38.39
$38.39 - $38.39
$38.39

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 ...

View full details
$38.39 - $38.39
$38.39
$38.39 - $38.39
$38.39
3RH2911 - 1DA11 3RH Auxiliary switch 1NO+1NC 3RH/3RT, lateral, screw terminal
$6.54 - $6.54
$6.54
$6.54 - $6.54
$6.54

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 ...

View full details
$6.54 - $6.54
$6.54
$6.54 - $6.54
$6.54

Browse by Subcategory

Contact us if you haven't found a product you are searching for

We will respond you as soon as possible