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Motor Circuit Protector

Ensure safe and efficient motor operation with our range of motor circuit protector, also known as motor circuit breakers. These devices are designed to protect motors from overloads, short circuits, and phase failures, helping to extend motor lifespan and reduce downtime in both industrial and commercial applications.

Our selection includes high-quality motor circuit protector from trusted global brands, featuring adjustable trip settings, thermal-magnetic protection, and full compliance with international safety standards. Whether you're building a new control panel or upgrading existing equipment, we offer protection solutions to fit your needs.

Shop from our in-stock inventory and benefit from competitive pricing, fast worldwide shipping, and easy online ordering-everything you need to keep your motors protected and running reliably.

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072739 PKZM0 - 10 Manual motor starter 6,3 - 10A 4kW
$39.79 - $39.79
$39.79
$39.79 - $39.79
$39.79

Eaton 072739 PKZM0-10 PKZM Manual Motor Starter 3-10A 4kW

In stock

The Eaton PKZM0-10 is a motor-protective circuit-breaker from the Moeller series with an adjustment range of 6.3 - 10 A and an assigned motor power...

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$39.79 - $39.79
$39.79
$39.79 - $39.79
$39.79
072737 PKZM0 - 4 Manual motor starter 2,5 - 4A 1,5kW
$44.50 - $44.50
$44.50
$44.50 - $44.50
$44.50

Eaton 072737 PKZM0-4 PKZM Manual Motor Starter 5-4A 1.5kW

In stock

The Eaton PKZM0-4 is a Moeller series motor-protective circuit-breaker rated up to 1.5 kW with a 2.5 - 4 A adjustable current range and screw termi...

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$44.50 - $44.50
$44.50
$44.50 - $44.50
$44.50
046938 Eaton PKZM0 - 16 Manual motor starter 10 - 16A 7,5kW
$52.26 - $52.26
$52.26
$52.26 - $52.26
$52.26

Eaton 046938 PKZM0-16 PKZM Manual Motor Starter 10-16A 7.5kW

In stock

The Eaton PKZM0-16 is a motor-protective circuit-breaker from the Moeller PKZM0 series, providing overload and short-circuit protection for motors ...

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$52.26 - $52.26
$52.26
$52.26 - $52.26
$52.26
072738 PKZM0 - 6,3 Manual motor starter 4 - 6,3A 2,2kW Sold out
$34.41 - $34.41
$34.41
$34.41 - $34.41
$34.41

Eaton 072738 PKZM0-6,3 PKZM Manual Motor Starter 3A 2.2kW

Out of stock

The Eaton PKZM0-6,3 is a motor-protective circuit-breaker from the Moeller series, rated for motors up to 2.2 kW with an adjustable current range o...

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$34.41 - $34.41
$34.41
$34.41 - $34.41
$34.41
Sold out
278489 PKZM0 - 32 Manual motor starter 25 - 32A 15kW
$62.80 - $62.80
$62.80
$62.80 - $62.80
$62.80

Eaton 278489 PKZM0-32 PKZM Manual Motor Starter 25-32A 15kW

Low stock

The Eaton PKZM0-32 is a 3-pole motor-protective circuit-breaker from the Moeller PKZM0 series, providing overload and short-circuit protection for ...

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$62.80 - $62.80
$62.80
$62.80 - $62.80
$62.80
072895 NHI12 - PKZ0 Auxiliary contact 1NO+2NC, side mounting
$13.00 - $13.00
$13.00
$13.00 - $13.00
$13.00

Eaton 072895 NHI12-PKZ0 Auxiliary Contact 1NO+2NC Side Mount PKZ0

In stock

The Eaton NHI12-PKZ0 (catalog number 072895) is a standard auxiliary contact accessory for motor-protective circuit-breakers, providing 1 normally ...

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$13.00 - $13.00
$13.00
$13.00 - $13.00
$13.00
082882 NHI - E - 11 - PKZ0 Auxiliary contact 1NO+1NC, front mounting
Sold out
$7.21 - $7.21
$7.21
$7.21 - $7.21
$7.21

Eaton 082882 NHI-E-11-PKZ0 Auxiliary Contact 1NO+1NC Front Mount PKZ0

Out of stock

The Eaton NHI-E-11-PKZ0 (catalog 082882) is a front-mounted standard auxiliary contact for Eaton Moeller series PKZ0 motor protective circuit-break...

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$7.21 - $7.21
$7.21
$7.21 - $7.21
$7.21
Sold out
208277 NHI - B - 11 - PKZ0 Auxiliary contact 1NO+1NC, front mounting
$7.26 - $7.26
$7.26
$7.26 - $7.26
$7.26

Eaton 208277 NHI-B-11-PKZ0 Auxiliary Contact 1NO+1NC Front Mount PKZ0

In stock

The Eaton NHI-B-11-PKZ0 is a standard auxiliary contact accessory for front-mounting on PKZ series motor protective circuit-breakers. It provides a...

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$7.26 - $7.26
$7.26
$7.26 - $7.26
$7.26
278486 PKZM0 - 12 Manual motor starter 8 - 12A 5,5kW
$40.18 - $40.18
$40.18
$40.18 - $40.18
$40.18

Eaton 278486 PKZM0-12 PKZM Manual Motor Starter 8-12A 5.5kW

In stock

The Eaton PKZM0-12 (catalog number 278486) is a 3-pole motor-protective circuit-breaker from the Moeller series, combining overload and short-circu...

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$40.18 - $40.18
$40.18
$40.18 - $40.18
$40.18
283149 PKZM0 - XDM12 Wiring set, For DOL Starter, DILM7 - M15
$5.05 - $5.05
$5.05
$5.05 - $5.05
$5.05

Eaton 283149 PKZM0-XDM12 PKZM Manual Motor Starter

Low stock

The Eaton PKZM0-XDM12 is a 3-pole wiring set accessory that connects a PKZM0 manual motor starter to a contactor in a direct-on-line (DOL) starter ...

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$5.05 - $5.05
$5.05
$5.05 - $5.05
$5.05
222354 PKZM4 - 40 Manual motor starter 32 - 40A 20kW
$136.38 - $136.38
$136.38
$136.38 - $136.38
$136.38

Eaton 222354 PKZM4-40 PKZM Manual Motor Starter 32-40A 20kW

Low stock

The Eaton PKZM4-40 is a motor-protective circuit-breaker from the Moeller series PKZM4 range, designed to protect three-phase and single-phase moto...

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$136.38 - $136.38
$136.38
$136.38 - $136.38
$136.38
072896 NHI11 - PKZ0 - Standard auxiliary contact, 1 N/O, 1 NC
$6.39 - $6.39
$6.39
$6.39 - $6.39
$6.39

Eaton 072896 NHI11-PKZ0 Standard Auxiliary Contact 1NO+1NC for PKZM0

In stock

The NHI11-PKZ0 is an Eaton Moeller series standard auxiliary contact that retrofits on the right side of motor-protective circuit-breakers. It deli...

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$6.39 - $6.39
$6.39
$6.39 - $6.39
$6.39
072731 PKZM0 - 0,25 Manual motor starter 0,16 - 0,25A 0,06kW
$37.96 - $37.96
$37.96
$37.96 - $37.96
$37.96

Eaton 072731 PKZM0-0,25 PKZM Manual Motor Starter 25A 0.06kW

Low stock

The Eaton PKZM0-0,25 (catalog 072731) is a motor-protective circuit-breaker from the Eaton Moeller PKZM0 series, rated for motors up to 0.06 kW wit...

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$37.96 - $37.96
$37.96
$37.96 - $37.96
$37.96
072733 PKZM0 - 0,63 Manual motor starter 0,4 - 0,63A 0,12kW
$33.07 - $33.07
$33.07
$33.07 - $33.07
$33.07

Eaton 072733 PKZM0-0,63 PKZM Manual Motor Starter 63A 0.12kW

In stock

The PKZM0-0,63 is an Eaton Moeller series motor-protective circuit-breaker for motors up to 0.12 kW, providing coordinated overload and short-circu...

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$33.07 - $33.07
$33.07
$33.07 - $33.07
$33.07
032720 BK25/3 - PKZ0 Extension terminal 3P 25mm²
$6.09 - $6.09
$6.09
$6.09 - $6.09
$6.09

Eaton 032720 BK25/3-PKZ0 Extension Terminal 3P 25mm2 for PKZ0

Low stock

The Eaton BK25/3-PKZ0 is a 3-pole extension terminal accessory for the Eaton Moeller series PKZ motor protective circuit breaker system. It expands...

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$6.09 - $6.09
$6.09
$6.09 - $6.09
$6.09
222413 PKZM4 - 63 Manual motor starter 55 - 65A 34kW
Sold out
$158.32 - $158.32
$158.32
$158.32 - $158.32
$158.32

Eaton 222413 PKZM4-63 PKZM Manual Motor Starter 55-65A 34kW

Out of stock

The Eaton PKZM4-63 (catalog 222413) is a motor-protective circuit-breaker from the Moeller series PKZM4, offering adjustable overload protection fr...

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$158.32 - $158.32
$158.32
$158.32 - $158.32
$158.32
Sold out
222352 PKZM4 - 25 Manual motor starter 16 - 25A 12,5kW
$108.62 - $108.62
$108.62
$108.62 - $108.62
$108.62

Eaton 222352 PKZM4-25 PKZM Manual Motor Starter 16-25A 12.5kW

Low stock

The Eaton PKZM4-25 is a motor-protective circuit-breaker from the Moeller series with an adjustable current setting of 16 - 25 A and screw terminal...

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$108.62 - $108.62
$108.62
$108.62 - $108.62
$108.62
072735 PKZM0 - 1,6 Manual motor starter 1 - 1,6A 0,55kW
$40.26 - $40.26
$40.26
$40.26 - $40.26
$40.26

Eaton 072735 PKZM0-1,6 PKZM Manual Motor Starter 6A 0.55kW

In stock

The Eaton PKZM0-1,6 is a motor-protective circuit-breaker with a 1 - 1.6 A current range, designed to protect motors up to 0.55 kW against overload...

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$40.26 - $40.26
$40.26
$40.26 - $40.26
$40.26
222394 PKZM4 - 58 Manual motor starter 50 - 58A 30kW
$156.67 - $156.67
$156.67
$156.67 - $156.67
$156.67

Eaton 222394 PKZM4-58 PKZM Manual Motor Starter 50-58A 30kW

Low stock

The Eaton PKZM4-58 is a motor-protective circuit-breaker from the Moeller series with an adjustable current range of 50 - 58 A. It provides overloa...

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$156.67 - $156.67
$156.67
$156.67 - $156.67
$156.67
046988 PKZM0 - 20 Manual motor starter 16 - 20A 9kW
$46.46 - $46.46
$46.46
$46.46 - $46.46
$46.46

Eaton 046988 PKZM0-20 PKZM Manual Motor Starter 16-20A 9kW

Low stock

The Eaton PKZM0-20 is a motor-protective circuit-breaker from the Moeller series, rated for motors up to 9 kW with an adjustable current range of 1...

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$46.46 - $46.46
$46.46
$46.46 - $46.46
$46.46
072734 PKZM0 - 1 Manual motor starter 0,63 - 1A 0,25kW
$34.53 - $34.53
$34.53
$34.53 - $34.53
$34.53

Eaton 072734 PKZM0-1 PKZM Manual Motor Starter 63-1A 0.25kW

In stock

The Eaton PKZM0-1 (catalog 072734) is a motor-protective circuit-breaker from the Moeller series PKZM0 range, rated for motors up to 0.25 kW with a...

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$34.53 - $34.53
$34.53
$34.53 - $34.53
$34.53
072736 PKZM0 - 2,5 Manual motor starter 1,6 - 2,5A 0,75kW
$34.41 - $34.41
$34.41
$34.41 - $34.41
$34.41

Eaton 072736 PKZM0-2,5 PKZM Manual Motor Starter 5A 0.75kW

In stock

The Eaton PKZM0-2,5 is a motor-protective circuit-breaker from the Eaton Moeller series, combining overload and short-circuit protection for three-...

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$34.41 - $34.41
$34.41
$34.41 - $34.41
$34.41
072730 PKZM0 - 0,16 Manual motor starter 0,1 - 0,16A
$31.99 - $31.99
$31.99
$31.99 - $31.99
$31.99

Eaton 072730 PKZM0-0,16 PKZM Manual Motor Starter 16A

Low stock

The Eaton PKZM0-0,16 is a motor-protective circuit-breaker from the Eaton Moeller series PKZM0, designed to protect three-phase motors within a cur...

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$31.99 - $31.99
$31.99
$31.99 - $31.99
$31.99
222350 PKZM4 - 16 Manual motor starter 10 - 16A 7,5kW
$107.60 - $107.60
$107.60
$107.60 - $107.60
$107.60

Eaton 222350 PKZM4-16 PKZM Manual Motor Starter 10-16A 7.5kW

Low stock

The Eaton PKZM4-16 is a motor-protective circuit-breaker in the Moeller series PKZM4 range, rated for a current setting of 10 - 16 A with tripping ...

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$107.60 - $107.60
$107.60
$107.60 - $107.60
$107.60
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