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Circuit Breaker Panels 40A

Shop the best prices on 373 great value 40a circuit breaker panels. Shopping for circuit breaker panels is easy with Fruugo, with SALE discounts, offers and savings on CNCEST and Syhrm. Buy circuit breaker panels online safely with Fruugo, with secure payment and fast shipping to United Kingdom.

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1 - 32 of 373
Auto Waterproof Circuit Breaker, 12v-24v Dc In-line Fuse Holder, Manual Reset Switch Car Audio Fuse
£9.44
30A 40A 50A 60A 80A 100A 150A 200A 250A 300A Circuit Breaker Overload Protector
£18.95
Dual Displays Self-reset Protector Overvoltage Undervoltage Current Adjustable Circuit Breaker Automatic Reclosure Switch
£20.39 Save £4.08 RRP: £24.47
PV Circuit Breaker 1P Mini Magnetic System Quick Trip DC Circuit Isolator for Solar System
£14.95 Save £21.00 RRP: £35.95
Waterproof Circuit Breaker Fuse Reset 12-48v DC Car Boat Auto - Brand 30a 40a 50a 60a 70a 80a 100a 120a 150a 200a 250a 300a Amp
£13.85 Save £13.85 RRP: £27.70
2-Pole 63-Amp DC Circuit Breaker (1000V) Double MCB for Solar PV Systems
£33.95 Save £7.00 RRP: £40.95
3P Plus N Leakage Protection Air Switch Double Locking Clip Residential Current Circuit Breaker AC 400V
£42.95 Save £56.05 RRP: £99.00
3pcs DZ47-63Z DC1000V 4P MCB Breaker Photovoltaic Air Switch Overload Leakage Short Circuit Protector
£69.00 Save £80.00 RRP: £149.00
3P Tuya Zigbee Smart Circuit Breaker Remote Control Automatic Switch Overload Short Circuit Protecti
£84.00 Save £135.00 RRP: £219.00
DZ47LE-63-1P 10/16/20/32/40/63A Circuit Breaker family Leakage Protector
£10.98 Save £21.96 RRP: £32.94
DZ47LE-63 Circuit Breaker 10-63A for Household
£7.95 Save £16.00 RRP: £23.95
Auto Circuit Breaker Reset Fuse Inverter Fuse Holder Inline Fuse Block 20-100 Amp
£8.93 Save £10.80 RRP: £19.73
Miniature Residual Current Circuit Breaker 2 Poles 30mA 400V Household Electric Leakage Protector DIN Rail Installation DZ47LE-63 2025
£13.74 Save £13.74 RRP: £27.48
TPN 1P mini circuit breaker MCB 10A 16A 20A 25A 32A mini DZ47 air switch C45 low voltage switch
£6.05 Save £8.40 RRP: £14.45
Brand 30a 40a 50a 60a 70a 80a 100a 120a 150a 200a 250a 300a Amp Circuit Breaker Fuse Reset 12-48v Dc Car Boat Auto Waterproof
£29.58 Save £22.18 RRP: £51.76
2025 Tuya Smart WiFi Circuit Breaker with 10A-80A 3P Remote Control and Intelligent Switch for Smart Home Management
£72.04 Save £72.02 RRP: £144.06
Automatic Reset Circuit Breaker Reset Dual Battery Fuse Stud Bolt 20/30/40/50A
£13.95
Circuit breaker fuse reset 12-48v automatic waterproof 30A
£23.28 Save £77.94 RRP: £101.22
Hara DZ47LE-63-1P 10/16/20/32/40/63A Circuit Breaker Household Leakage Protector
£8.95
Fsw DZ47 1/2/3/4 Pole 3A/6A/10A/16A/20A/32A/40A/50A/63A 400V C Type Mini Circuit Breaker MCB
£18.20 Save £3.64 RRP: £21.84
Miniature Residual Current Circuit Breaker 1 Pole 400V Household Electric Leakage Protector DIN Rail Installation DZ47-63
£9.43
Dz47le-63-1p 10/16/20/32/40/63a Circuit Breaker Household Leakage Protector Qinhai_Good quality
£9.95 Save £5.00 RRP: £14.95
Smart WiFi Circuit Breaker, 10A-80A 3P Remote Control Intelligent Switch for Home Automation
£79.00 Save £40.00 RRP: £119.00
Miniature Residual Current Circuit Breaker 1 Pole 400V Electric Leakage Protector DIN Rail Mount DZ47-63 for Household Use
£10.95 Save £12.00 RRP: £22.95
40A/63A Protector Relay- Reset Protector Over Voltage Current Protective Device
£19.95
Luxora Brand 30A 40A 50A 60A 70A 80A 100A 120A 150A 200A 250A 300A AMP Circuit Breaker Fuse Reset 12-48V DC Car Boat Auto Waterproof
£22.95 Save £22.00 RRP: £44.95
Dc Circuit Breaker 1000v 2 Pole Double Mcb Solar Pv 63 Amp
£13.95 Save £13.00 RRP: £26.95
1pc Miniature Residual Current Circuit Breaker 1 Pole 400v Household Electric Leakage Protector Din Rail Installation Dz47-63
£11.95 Save £14.00 RRP: £25.95
Min Circuit Breaker 6A/20A/25A/40A DIN Rail Mount Overload Protection Switch
£16.95 Save £9.00 RRP: £25.95
Miniature Residual Current Circuit Breaker 1 Pole 30mA 400V Household Electric Leakage Protector DIN Rail Installation DZ47LE-63
£17.12 Save £3.44 RRP: £20.56
Dz47le-63-1p 10/16/20/32/40/63a Circuit Breaker Household Leakage Protector, Qinhai Good Quality
£4.95 Save £19.00 RRP: £23.95
Auto Circuit Breaker Reset Fuse Inverter Fuse Holder Inline Fuse Block 20-100 Amp-Yvan
£14.95 Save £8.00 RRP: £22.95