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
1sda054008r1 t4n 250 pr222ds/p-lsig in=250 3 pole abb mccb ABB 1SDA054008R1 SACE Tmax T4N 250 moulded case circuit breaker with PR222DS/P-LSIG electronic trip unit,…
1sda054008r1 t4n 250 pr222ds/p-lsig in=250 3 pole abb mccb ABB 1SDA054008R1 SACE Tmax T4N 250 moulded case circuit breaker with PR222DS/P-LSIG electronic trip unit,…
POA Manufacturer Lead Time Contact us for availability
Unavailable
SKU: 1SDA054008R1
MERSEN FUSE BTSD42V125 A4C BTSD42V125 The BTSD42V125 fuse-link offers dependable circuit protection for industrial and commercial applications up to 415VAC…
MERSEN FUSE BTSD42V125 A4C BTSD42V125 The BTSD42V125 fuse-link offers dependable circuit protection for industrial and commercial applications up to 415VAC…
With Overload
£31.51 ex. VAT
Manufacturer Lead Time Contact us for availability
SKU: BTSD42V125
MERSEN FUSE NH4A 250KVA400V.NH4A2GTR250KVA NH4A2GTR250KVA Mersen NH4A2GTR250KVA DIN NH4A2 gTr transformer protection fuse-link rated 361 A and 400 V AC…
MERSEN FUSE NH4A 250KVA400V.NH4A2GTR250KVA NH4A2GTR250KVA Mersen NH4A2GTR250KVA DIN NH4A2 gTr transformer protection fuse-link rated 361 A and 400 V AC…
  • 400 V
£169.36 ex. VAT
Manufacturer Lead Time Contact us for availability
SKU: NH4A2GTR250KVA
P1MB1PD08 Lovato MINIATURE CIRCUIT BREAKER 1P CURVE D 8A Lovato P1MB1PD08 single-pole miniature circuit breaker with Curve D tripping characteristic and 8 A rating…
P1MB1PD08 Lovato MINIATURE CIRCUIT BREAKER 1P CURVE D 8A Lovato P1MB1PD08 single-pole miniature circuit breaker with Curve D tripping characteristic and 8 A rating…
£21.52 ex. VAT
Manufacturer Lead Time Contact us for availability
SKU: P1MB1PD08
1sda054024r1 t4s 250 pr221ds-i in=100 3 pole abb mccb ABB 1SDA054024R1 T4S 250 PR221DS-I 100A three pole fixed moulded case circuit breaker with front…
1sda054024r1 t4s 250 pr221ds-i in=100 3 pole abb mccb ABB 1SDA054024R1 T4S 250 PR221DS-I 100A three pole fixed moulded case circuit breaker with front…
£1,431.80 ex. VAT
Manufacturer Lead Time Estimated Delivery 8 weeks
SKU: 1SDA054024R1
MERSEN FUSE 630A69C2 BTTM69V630 High-performance BS88 gG Type C2 fuse-link for industrial and commercial applications, rated up to 690VAC…
MERSEN FUSE 630A69C2 BTTM69V630 High-performance BS88 gG Type C2 fuse-link for industrial and commercial applications, rated up to 690VAC…
£258.06 ex. VAT
Manufacturer Lead Time Contact us for availability
SKU: BTTM69V630
MERSEN FUSE NH 4A 1250A 500V GG MID IND NH4AGG50V1250 Mersen NH4AGG50V1250 NH4a size gG fuse link rated at 1250 A, 500 V AC and…
MERSEN FUSE NH 4A 1250A 500V GG MID IND NH4AGG50V1250 Mersen NH4AGG50V1250 NH4a size gG fuse link rated at 1250 A, 500 V AC and…
  • 500 V
£438.49 ex. VAT
Manufacturer Lead Time Contact us for availability
SKU: NH4AGG50V1250
P1MBUH1PC30 Lovato MCB 1P C30 277V 10kA UL489 Lovato P1MBUH1PC30 is a single-pole 30 A Curve C UL489 miniature circuit breaker rated at…
P1MBUH1PC30 Lovato MCB 1P C30 277V 10kA UL489 Lovato P1MBUH1PC30 is a single-pole 30 A Curve C UL489 miniature circuit breaker rated at…
£58.22 ex. VAT
Manufacturer Lead Time Contact us for availability
SKU: P1MBUH1PC30
1sda054040r1 t4s 250 pr222ds/p-lsi in=160 4 pole abb mccb ABB 1SDA054040R1 Tmax T4S moulded case circuit breaker with PR222DS/P-LSI electronic trip unit, 160 A…
1sda054040r1 t4s 250 pr222ds/p-lsi in=160 4 pole abb mccb ABB 1SDA054040R1 Tmax T4S moulded case circuit breaker with PR222DS/P-LSI electronic trip unit, 160 A…
£3,544.20 ex. VAT
Manufacturer Lead Time Estimated Delivery 8 weeks
SKU: 1SDA054040R1
MERSEN FUSE 250V FA 0,8 A 5.20 MI5FA25V0,8 Mersen C084021 MI5FA25V0.8 high-speed semiconductor miniature fuse rated at 0.8 A and 250 V AC…
MERSEN FUSE 250V FA 0,8 A 5.20 MI5FA25V0,8 Mersen C084021 MI5FA25V0.8 high-speed semiconductor miniature fuse rated at 0.8 A and 250 V AC…
  • 250 V
£2.56 ex. VAT
Manufacturer Lead Time Contact us for availability
SKU: C084021
MERSEN FUSE NH4AC 400KVA 400V GTR MI NH4AGTR400KVA Mersen NH4AGTR400KVA DIN NH size 4a gTr fuse-link rated at 577 A and 400 V…
MERSEN FUSE NH4AC 400KVA 400V GTR MI NH4AGTR400KVA Mersen NH4AGTR400KVA DIN NH size 4a gTr fuse-link rated at 577 A and 400 V…
  • 400 V
£176.12 ex. VAT
Manufacturer Lead Time Contact us for availability
SKU: NH4AGTR400KVA
P1MBUH2PC01V6 Lovato MCB 2P C1.6 480Y/277V 10kA UL489 Lovato P1MBUH2PC01V6 is a two-pole 1.6 A Curve C UL489 miniature circuit breaker for 480Y/277…
P1MBUH2PC01V6 Lovato MCB 2P C1.6 480Y/277V 10kA UL489 Lovato P1MBUH2PC01V6 is a two-pole 1.6 A Curve C UL489 miniature circuit breaker for 480Y/277…
£139.74 ex. VAT
Manufacturer Lead Time Contact us for availability
SKU: P1MBUH2PC01V6
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