1. Home
  2. Automation & Control Gear
  3. Electric Motors, Motor Controllers & Peripherals
  4. Motor Protection Circuit Breakers

Motor Protection Circuit Breakers

Motor protection circuit breakers act as protection devices for a href="/web/c/automation-control-gear/electric-motors-motor-controllers-peripherals/" target="_self"electric motors/a, monitoring the electrical supply in motor circuits of 50-60Hz. They protect against phase unbalances and losses, which are detrimental to motors, offer protection against current overload, and prevent short circuits. strongWhat are motor protection circuit breakers used for?/strong Motor protection circuit breakers are useful in industrial and building applications such as chillers, compressors, heat pumps and cooling towers, to prevent damages from short circuits or power surges. In the manufacturing industry, circuit breakers interrupt electrical faults below the breaking capacity, which protects machinery and equipment from blowouts. strongTypes of motor protection circuit breakers/strong Motor protection circuit breakers come in A type or B type classifications, dependent on utilisation and function. ulliThe A type breaker is not explicitly intended for selectivity and does not allow intentional short time delay under short circuit conditions.This means that the system interrupts immediately when current or voltage levels match the breaking capacity./liliType B breakers allow for an intentional and adjustable short time delay under short circuit conditions, which enables the system to continue for a short while with currents exceeding breaking capacity levels./li/ul

...
Read more Read less

Filters

Viewing 1 - 20 of 525 products
Results per page
Description Price Current Range Number of Poles Range Breaking Capacity Terminal Type Voltage Rating Reset Method Length Width Depth Dimensions For Use With Priced to Clear Series
RS PRO 690 V Motor Protection Switch, 10 → 16 A
RS Stock No. 331-3668
BrandRS PRO
£32.19
Each
Units
 10 → 16 A - - - Screw 690 V - 80mm 45mm 73.5mm 80 x 45 x 73.5 mm MS25 Series - XL2000
RS PRO 690 V Motor Protection Switch, 2.4 → 4 A
RS Stock No. 331-3630
BrandRS PRO
£26.80
Each
Units
 2.4 → 4 A - - - Screw 690 V - 80mm 45mm 73.5mm 80 x 45 x 73.5 mm MS25 Series - XL2000
RS PRO 690 V Motor Protection Switch, 6 → 10 A
RS Stock No. 331-3652
BrandRS PRO
£32.19
Each
Units
 6 → 10 A - - - Screw 690 V - 80mm 45mm 73.5mm 80 x 45 x 73.5 mm MS25 Series - XL2000
RS PRO 690 V Motor Protection Switch, 1.6 → 2.4 A
RS Stock No. 331-3624
BrandRS PRO
£26.80
Each
Units
 1.6 → 2.4 A - - - Screw 690 V - 80mm 45mm 73.5mm 80 x 45 x 73.5 mm MS25 Series - XL2000
RS PRO 690 V Motor Protection Switch, 4 → 6 A
RS Stock No. 331-3646
BrandRS PRO
£26.80
Each
Units
 4 → 6 A - - - Screw 690 V - 80mm 45mm 73.5mm 80 x 45 x 73.5 mm MS25 Series - XL2000
RS PRO 690 V Motor Protection Switch, 1 → 1.6 A
RS Stock No. 331-3618
BrandRS PRO
£26.80
Each
Units
 1 → 1.6 A - - - Screw 690 V - 80mm 45mm 73.5mm 80 x 45 x 73.5 mm MS25 Series - XL2000
RS PRO 690 V Motor Protection Switch, 0.6 → 1 A
RS Stock No. 331-3595
BrandRS PRO
£26.19
Each
Units
 0.6 → 1 A - - - Screw 690 V - 80mm 45mm 73.5mm 80 x 45 x 73.5 mm MS25 Series - XL2000
RS PRO 690 V Motor Protection Switch, 3P Channels, 1.6 → 2.5 A, 100 kA @ 230 V
RS Stock No. 121-6850
BrandRS PRO
£20.17
Each
Units
 1.6 → 2.5 A 3 - 100 kA @ 230 V Screw 690 V Automatic 45mm 89.5mm 78.5mm 45 x 89.5 x 78.5 mm Motor Protection Switches - MS32
RS PRO 690 V Motor Protection Switch, 0.1 → 0.16 A
RS Stock No. 331-3551
BrandRS PRO
£25.61
Each
Units
 0.1 → 0.16 A - - - Screw 690 V - 80mm 45mm 73.5mm 80 x 45 x 73.5 mm MS25 Series - XL2000
RS PRO 690 V Motor Protection Switch, 16 → 20 A
RS Stock No. 331-3674
BrandRS PRO
£34.57
Each
Units
 16 → 20 A - - - Screw 690 V - 80mm 45mm 73.5mm 80 x 45 x 73.5 mm MS25 Series - XL2000
RS PRO 690 V Motor Protection Switch, 3P Channels, 9 → 14 A, 25 kA @ 230 V
RS Stock No. 121-6854
BrandRS PRO
£23.07
Each
Units
 9 → 14 A 3 - 25 kA @ 230 V Screw 690 V Automatic 45mm 89.5mm 78.5mm 45 x 89.5 x 78.5 mm Motor Protection Switches - MS32
RS PRO 690 V Motor Protection Switch, 3P Channels, 4 → 6.3 A, 100 kA @ 230 V
RS Stock No. 121-6852
BrandRS PRO
£20.17
Each
Units
 4 → 6.3 A 3 - 100 kA @ 230 V Screw 690 V Automatic 45mm 89.5mm 78.5mm 45 x 89.5 x 78.5 mm Motor Protection Switches - MS32
RS PRO 690 V Motor Protection Switch, 3P Channels, 2.5 → 4 A, 100 kA @ 230 V
RS Stock No. 121-6851
BrandRS PRO
£20.17
Each
Units
 2.5 → 4 A 3 - 100 kA @ 230 V Screw 690 V Automatic 45mm 89.5mm 78.5mm 45 x 89.5 x 78.5 mm Motor Protection Switches - MS32
RS PRO 690 V Motor Protection Switch, 0.24 → 0.4 A
RS Stock No. 331-3573
BrandRS PRO
£25.62
Each
Units
 0.24 → 0.4 A - - - Screw 690 V - 80mm 45mm 73.5mm 80 x 45 x 73.5 mm MS25 Series - XL2000
RS PRO 690 V Motor Protection Switch, 3P Channels, 6.3 → 10 A, 100 kA @ 230 V
RS Stock No. 121-6853
BrandRS PRO
£23.07
Each
Units
 6.3 → 10 A 3 - 100 kA @ 230 V Screw 690 V Automatic 45mm 89.5mm 78.5mm 45 x 89.5 x 78.5 mm Motor Protection Switches - MS32
RS PRO 690 V Motor Protection Switch, 0.4 → 0.6 A
RS Stock No. 331-3589
BrandRS PRO
£25.62
Each
Units
 0.4 → 0.6 A - - - Screw 690 V - 80mm 45mm 73.5mm 80 x 45 x 73.5 mm MS25 Series - XL2000
RS PRO 690 V Motor Protection Switch, 3P Channels, 1 → 1.6 A, 100 kA @ 230 V
RS Stock No. 121-6849
BrandRS PRO
£20.17
Each
Units
 1 → 1.6 A 3 - 100 kA @ 230 V Screw 690 V Automatic 45mm 89.5mm 78.5mm 45 x 89.5 x 78.5 mm Motor Protection Switches - MS32
RS PRO 690 V Motor Protection Switch, 3P Channels, 25 → 32 A, 25 kA @ 230 V
RS Stock No. 121-6858
BrandRS PRO
£36.31
Each
Units
 25 → 32 A 3 - 25 kA @ 230 V Screw 690 V Automatic 45mm 89.5mm 78.5mm 45 x 89.5 x 78.5 mm Motor Protection Switches - MS32
RS PRO 690 V Motor Protection Switch, 0.16 → 0.24 A
RS Stock No. 331-3567
BrandRS PRO
£24.23
Each
Units
 0.16 → 0.24 A - - - Screw 690 V - 80mm 45mm 73.5mm 80 x 45 x 73.5 mm MS25 Series - XL2000
RS PRO 690 V Motor Protection Switch, 3P Channels, 0.1 → 0.16 A, 100 kA @ 230 V
RS Stock No. 121-6844
BrandRS PRO
£20.17
Each
Units
 0.1 → 0.16 A 3 - 100 kA @ 230 V Screw 690 V Automatic 45mm 89.5mm 78.5mm 45 x 89.5 x 78.5 mm Motor Protection Switches - MS32
Related Products
RS PRO 690 V Motor Protection Switch, 20
Overload protection compensated -5 to +40°CLockable in 'OFF' ...
Quickview
RS PRO 690 V Motor Protection Switch, 20
Description:
Overload protection compensated -5 to +40°CLockable in 'OFF' position Short circuit protection, therefore, no back-up fuse protection is required where the prospective fault level is less than the breaking capacity of the unit Expected life cycles 0.1 x 106Maximum switching frequency 40 operations/ hour Ambient temperature (min/max) -25 to +55°C ...
View Product
[ x ] close
Allen Bradley 415 V Motor Protection Circuit Breaker,
Designed to be used in conjunction with the ...
Quickview
Allen Bradley 415 V Motor Protection Circuit Breaker,
Description:
Designed to be used in conjunction with the Allen Bradley 100-C contactor range to provide type 2 co-ordination without oversizing of the contactor, in rating up to 22kW. The breaker may be customised to suit individual requirements. Trip Class 10Short circuit indicator provides a differentiation between short circuit and overload ...
View Product
[ x ] close
Schneider Electric TeSys 500 V Motor Protection Circuit
Protecting your motors from faults such as an ...
Quickview
Schneider Electric TeSys 500 V Motor Protection Circuit
Description:
Protecting your motors from faults such as an overload of high voltage, short circuits, or relay shutdowns is vital in an age where any downtime can be detrimental to a business and its operations. Schneider Electric has built a reliable, robust series known as the GV2M series of Motor Protection ...
View Product
[ x ] close
Eaton 690 V ac Motor Protection Circuit Breaker,
Modular Motor Protective Circuit Breakers designed for use ...
Quickview
Eaton 690 V ac Motor Protection Circuit Breaker,
Description:
Modular Motor Protective Circuit Breakers designed for use with add-on contactor modules and accessories (see below) which provide isolation, short circuit and thermal protection. The units are DIN-rail mounting and part of the x Start family of control gear products, and a range of connection and wiring accessories are available ...
View Product
[ x ] close
Our Services
About Us
Hot Topics
03457 201201
© RS Components Ltd.
Birchington Road, Corby, Northants, NN17 9RS, UK
Payment options