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

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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 Stock No. 899-5234
Mfr. Part No.DC2CU10L
BrandAltech
£36.34
Each
Units
Maximum of 10 A 2 - 10 kA Screw 250 V dc Manual 35mm 109mm 66.5mm 35 x 109 x 66.5 mm - - L
RS Stock No. 899-5215
Mfr. Part No.DC1DU1L
BrandAltech
£18.16
Each
Units
Maximum of 1 A 1 - 10 kA Screw 125 V dc Manual 17.5mm 109mm 66.5mm 17.5 x 109 x 66.5 mm - - L
RS Stock No. 899-5183
Mfr. Part No.DC1CU2L
BrandAltech
£18.16
Each
Units
- 1 - 10 kA - - - - - - - - - L
RS Stock No. 900-2074
Mfr. Part No.MA0.25UM
BrandAltech
£66.00
Each
Units
Maximum of 0.25 A 3 - 42 kA Cage Clamp 480Y/277 V ac Manual 52.5mm 89.5mm 74mm 52.5 x 89.5 x 74 mm 3 Phase Transformers, Motors, Power Supplies - MA
RS Stock No. 899-5189
Mfr. Part No.DC1CU25L
BrandAltech
£18.16
Each
Units
Maximum of 25 A 1 - 10 kA Screw 125 V dc Manual 17.5mm 109mm 66.5mm 17.5 x 109 x 66.5 mm - - L
RS Stock No. 899-5246
Mfr. Part No.DC2CU2L
BrandAltech
£36.34
Each
Units
Maximum of 2 A 2 - 10 kA Screw 250 V dc Manual 35mm 109mm 66.5mm 35 x 109 x 66.5 mm - - L
RS Stock No. 899-5218
Mfr. Part No.DC1DU20L
BrandAltech
£18.16
Each
Units
- 1 - 10 kA - - - - - - - - - L
RS Stock No. 899-5252
Mfr. Part No.DC2CU6L
BrandAltech
£36.34
Each
Units
Maximum of 6 A 2 - 10 kA Screw 250 V dc Manual 35mm 109mm 66.5mm 35 x 109 x 66.5 mm - - L
RS Stock No. 900-7050
Mfr. Part No.RP2203
BrandAltech
£85.48
Each
Units
- 2 - 1250 A - - - - - - - - - RP
RS Stock No. 899-5243
Mfr. Part No.DC2CU15L
BrandAltech
£36.34
Each
Units
Maximum of 15 A 2 - 10 kA Screw 250 V dc Manual 35mm 109mm 66.5mm 35 x 109 x 66.5 mm - - L
RS Stock No. 899-5192
Mfr. Part No.DC1CU3L
BrandAltech
£18.16
Each
Units
- 1 - 10 kA - - - - - - - - - L
RS Stock No. 900-2086
Mfr. Part No.MA1.0UM
BrandAltech
£70.71
Each
Units
- 3P - 42 kA - - - - - - - - - MA
RS Stock No. 899-5256
Mfr. Part No.DC2DU10L
BrandAltech
£36.34
Each
Units
- 2 - 10 kA - - - - - - - - - L
RS Stock No. 900-3780
Mfr. Part No.P50ULB
BrandAltech
£7.45
Each
Units
- - - - - - - - - - - Miniature Molded Circuit Breakers - -
RS Stock No. 899-5199
Mfr. Part No.DC1CU5L
BrandAltech
£18.16
Each
Units
- 1 - 10 kA - - - - - - - - - L
RS Stock No. 899-5206
Mfr. Part No.DC1DU10L
BrandAltech
£18.16
Each
Units
- 1 - 10 kA - - - - - - - - - L
RS Stock No. 900-7057
Mfr. Part No.RP2303
BrandAltech
£105.11
Each
Units
- 2 - 1250 A - - - - - - - - - RP
RS Stock No. 900-7069
Mfr. Part No.RP4203
BrandAltech
£115.25
Each
Units
- 4 - 1250 A - - - - - - - - - RP
RS Stock No. 900-7041
Mfr. Part No.RP2101
BrandAltech
£144.41
Each
Units
- 2 - 1250 A - - - - - - - - - RP
RS Stock No. 899-5268
Mfr. Part No.DC2DU16L
BrandAltech
£36.34
Each
Units
- 2 - 10 kA - - - - - - - - - L