Circuit Protection

Circuit Protection: MCBs, RCDs and RCBOs

Circuit protection devices guard final circuits against overload, short circuit and earth-leakage faults. This range stocks ABB System pro M compact S200 MCBs, DS200 RCBOs and F200 RCDs, Mersen fuses and fuse gear, Chint NB1 and NL1, IMO, Lovato Electric P1 and Finder devices, in B, C, D and K curves from 0.5 A to 125 A.

Filter by brand, current rating, curve, pole count and breaking capacity. For higher currents see MCCB & ACB; for DC-rated breakers see PV MCB; for the boards they fit see Power Distribution Systems.

Showing 12,585 products

Product Key Specs Price Qty Stock Actions
MERSEN FUSE 6,9 URD 30 D08 A 0500 6,9URD30D08A0500 The PC30UD69V500A high-speed fuse delivers reliable circuit protection for critical industrial power systems, supporting rapid…
MERSEN FUSE 6,9 URD 30 D08 A 0500 6,9URD30D08A0500 The PC30UD69V500A high-speed fuse delivers reliable circuit protection for critical industrial power systems, supporting rapid…
£149.90 ex. VAT
Manufacturer Lead Time Contact us for availability
SKU: B300404
MERSEN FUSE NH 00 80A 500V GG SGL NH00GG50V80-1 Why Choose the MERSEN FUSE NH 00 80A 500V GG SGL NH00GG50V80-1?
MERSEN FUSE NH 00 80A 500V GG SGL NH00GG50V80-1 Why Choose the MERSEN FUSE NH 00 80A 500V GG SGL NH00GG50V80-1?
  • 500 V
£10.90 ex. VAT
Manufacturer Lead Time Contact us for availability
SKU: NH00GG50V80-1
MERSEN FUSE SI 6.32 LC PRE V W091973 Mersen W091973 MIS1LC6PV single-pole DIN rail fuse holder for 6.3 x 32 mm IEC cartridge…
MERSEN FUSE SI 6.32 LC PRE V W091973 Mersen W091973 MIS1LC6PV single-pole DIN rail fuse holder for 6.3 x 32 mm IEC cartridge…
Enclosed
£18.99 ex. VAT
Manufacturer Lead Time Contact us for availability
SKU: W091973
MERSEN FUSE A 065 URD 32 LI 1100 A065URD32LI1100 High-speed Protistor® fuse with striker indication, rated at 1100A, 600VAC IEC, 650VAC UL, designed for…
MERSEN FUSE A 065 URD 32 LI 1100 A065URD32LI1100 High-speed Protistor® fuse with striker indication, rated at 1100A, 600VAC IEC, 650VAC UL, designed for…
£263.59 ex. VAT
Manufacturer Lead Time Contact us for availability
SKU: B301071
MERSEN FUSE NH 00 80A 690V GG NH00GG69V80 Mersen NH00GG69V80 DIN NH00 gG fuse-link rated at 80 A, 690 V AC and 250…
MERSEN FUSE NH 00 80A 690V GG NH00GG69V80 Mersen NH00GG69V80 DIN NH00 gG fuse-link rated at 80 A, 690 V AC and 250…
  • 690 V
£10.97 ex. VAT
Manufacturer Lead Time Contact us for availability
SKU: NH00GG69V80
MERSEN FUSE TIGE M12X40 BS CONDITIONNEE W099977 Why Choose the MERSEN FUSE TIGE M12X40 BS CONDITIONNEE W099977?
MERSEN FUSE TIGE M12X40 BS CONDITIONNEE W099977 Why Choose the MERSEN FUSE TIGE M12X40 BS CONDITIONNEE W099977?
POA Manufacturer Lead Time Contact us for availability
Unavailable
SKU: W099977
MERSEN FUSE 6,9 GRB 000 BS88 P 040 B330120 Why Choose the MERSEN FUSE 6,9 GRB 000 BS88 P 040 B330120?
MERSEN FUSE 6,9 GRB 000 BS88 P 040 B330120 Why Choose the MERSEN FUSE 6,9 GRB 000 BS88 P 040 B330120?
£42.63 ex. VAT
Manufacturer Lead Time Contact us for availability
SKU: B330120
MERSEN FUSE 6,9 URD 00 PV 0080 6,9URD00PV080 High-speed Protistor® fuse with double mechanical indicators, NH Size 00, rated 80A at 690VAC IEC…
MERSEN FUSE 6,9 URD 00 PV 0080 6,9URD00PV080 High-speed Protistor® fuse with double mechanical indicators, NH Size 00, rated 80A at 690VAC IEC…
With Overload
£45.52 ex. VAT
Manufacturer Lead Time Contact us for availability
SKU: NH00UD69V80PV
MERSEN FUSE MB4a 1250A 3P 1.000.090 1.000.090 Robust 1x3-pole fuse-switch disconnector with bottom fitting/panel connection and Screw M16 terminals, rated at 1250A…
MERSEN FUSE MB4a 1250A 3P 1.000.090 1.000.090 Robust 1x3-pole fuse-switch disconnector with bottom fitting/panel connection and Screw M16 terminals, rated at 1250A…
£1,772.33 ex. VAT
Manufacturer Lead Time Contact us for availability
SKU: W1023082
imo b6b1004a mcb 6ka, b curve 1 pole, 4 amp IMO B6B1004A 4A single pole miniature circuit breaker with 6 kA breaking capacity and B…
imo b6b1004a mcb 6ka, b curve 1 pole, 4 amp IMO B6B1004A 4A single pole miniature circuit breaker with 6 kA breaking capacity and B…
POA Manufacturer Lead Time Contact us for availability
Unavailable
SKU: B6B1004A
MERSEN FUSE NH 0 32A 690V AM NH0AM69V32 Mersen NH0AM69V32 DIN NH0 aM motor fuse-link rated 32 A and 690 V AC with…
MERSEN FUSE NH 0 32A 690V AM NH0AM69V32 Mersen NH0AM69V32 DIN NH0 aM motor fuse-link rated 32 A and 690 V AC with…
  • 690 V
£15.64 ex. VAT
Manufacturer Lead Time Contact us for availability
SKU: NH0AM69V32
MERSEN FUSE D01-FUSE 400V 4A GG-50PCS D01GG40V4 Mersen W200809 D01GG40V4 Neozed D01 gG fuse link rated at 4 A, 400 V AC…
MERSEN FUSE D01-FUSE 400V 4A GG-50PCS D01GG40V4 Mersen W200809 D01GG40V4 Neozed D01 gG fuse link rated at 4 A, 400 V AC…
  • 400 V
£1.33 ex. VAT
Manufacturer Lead Time Contact us for availability
SKU: W200809
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