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Shop the best prices on 2,627 great value 40a products. Shopping for 40a is easy with Fruugo, with SALE discounts, offers and savings on Bolongking, Dangtu Huimang Jiancai Shangmao Youxian Gongsi, Jelivey and more. Buy motor vehicle engine parts, notebooks & notepads, massagers and more online safely with Fruugo, with secure payment and fast shipping to New Zealand.

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high quality30a 40a 50a 60a 70a 80a 100a 120a 150a 200a 250a 300a Amp Car Circuit Breaker Portable Waterproof 12-48v
$19.95 Save $18.00 RRP: $37.95
Tuya WiFi Smart Circuit Breaker with Timer and Remote Control App
$239.00 Save $90.00 RRP: $329.00
CHNT CHINT NXB-63 4P AC 230/400V Miniature Circuit Breaker C 6 10 16 20 25 32 40 63A Overload Protector DZ47 C Style Air Switch
$139.00 Save $50.00 RRP: $189.00
KUOYUH 98 series 8A 250VAC Manual Reset Thermal Overload protector switch Mini Circuit Breaker
$59.00 Save $20.00 RRP: $79.00
2P 32A 10/30/100/300mA Type A RCCB RCD ELCB Electromagnetic Residual Current Circuit Breaker Differential Breaker Safety Switch
$94.00 Save $35.00 RRP: $129.00
House 230VAC 40A 63A 80A Adjustable Protection Over and Under Value Automatic High and Low Voltage Protect Relay
$79.00 Save $30.00 RRP: $109.00
Overload protector for Kuoyuh 98 Series 3A-50A thermal reset
$84.00 Save $65.00 RRP: $149.00
KUOYUH 98 Series New Origina 3A 4A 5A 6A 7A 8A 9A 10A 11A 12A 13A 15A 16A 18A 20A 25A 30A 35A 50A overload overcurrent protector-Good
$69.00 Save $35.00 RRP: $104.00
Solar Charge Controllers 12V/24V Regulator with Double USB Port and Adjustable LCD Display for Toy Car and Boats Use
$40.95
Voltage Regulator DC24V to 12V Converter for Truck Yacht and Other Vehicles Heat Resistant and Short Circuit Protections
$79.00
Over Voltages and Under Voltages Protective Device Intelligent Relays Reset Protectors Voltages Output Stabilizer
$45.95
Intelligent Relays Reset Protectors Adjustable Relays Over Voltages Current & Under Voltages Protective Device Multicolor
$94.00
SVP912 120VAC Adjustable SelfRecovery Under Voltage Automatic Reset Protection Switch(40A )
$47.95 Save $56.05 RRP: $104.00
2P 4P 63A -32A MCB type automatic ats dual power transfer switch Transfer Switch 4P Power Transfer Switch Circuit Breakers 380V
$179.00 Save $60.00 RRP: $239.00
DC36V 48V Step Down to 24V 30A/40A/55A/65A Converter Voltage Reducer Regulator Transformering Power Supply Modules Multicolor
$169.00
2P 4P 32a-63a type automatic ats dual power transfer switch Transfer Switch 4P Power Transfer Switch Circuit Breakers 380V MCB
$209.00 Save $60.00 RRP: $269.00
Din Rail Mount Breaking Capacity DZ47 1-4 Pole 3A/6A/10A/16A/20A/32A/40A/50A/63A 400V C Type Mini Circuit Breaker MCB 35mm
$94.00 Save $35.00 RRP: $129.00
TAIXI RCBO RCCB Type A / AC Residual Current Circuit Breaker MCB 220V 110V 10A 16A 20A 32A 40A 63A 30mA 15mA Leakage Protection
$129.00 Save $40.00 RRP: $169.00
32A household circuit breaker 63A 1P 2P 3P 4P single-phase three-phase C45 air switch air switch DZ47
$109.00 Save $40.00 RRP: $149.00
CHINT NB2LE 1P+N leakage protection switch circuit breaker
$109.00 Save $40.00 RRP: $149.00
DC 1000V Solar Mini Circuit Breaker Overload Protection Switch 6A/10A/16A/20A/25A/32A/40A/50A/63A 2P DC1000V Photovoltaic MCB PV
$84.00 Save $35.00 RRP: $119.00
40A 63A 230V Din Rail Adjustable Over Voltage And Under Voltage Protective Device Protector Relay With Over Current Protection
$109.00 Save $40.00 RRP: $149.00
2P DC 1000V Solar Mini Circuit Breaker 6A/10A/16A/20A/25A/32A/40A/50A/63A DC MCB for PV System
$84.00 Save $35.00 RRP: $119.00
ETEK Mini Circuit Breaker MCB AC Short Overload Protector C Curve 1P 2P 3P 16A 25A 40A 63A 220V 230V 50/60HZ 35mm Din Rail EKM3
$84.00 Save $30.00 RRP: $114.00
Tuya Wifi Smart Single Phase Din Rail Energy Meter 90V-240V Circuit Breaker With Metering Solar Engery Power Consumption Monitor
$129.00 Save $50.00 RRP: $179.00
100A 50A 60A 80A 150A 12V 24 Car Truck Audio Amplifier Circuit Breaker Resetable Breaker Amplifier Refit Fuse Adapter
$84.00 Save $25.00 RRP: $109.00
Din Rail Dual Display Adjustable Over Voltage Current and Under Voltage Protective Device Protector Relay 40A 63A 80A 220V 230V
$89.00 Save $30.00 RRP: $119.00
ETEK RCBO Type A Residual Automatic Circuit Breaker 6KA 1P+N 2P 16a 20a Curve CWith Over Current Leakage Protection 30mA EKL9-40
$89.00 Save $30.00 RRP: $119.00
230V 2P SPD Residual Current Circuit Breaker With Overload Overvoltage RCBO RCCB With Lightning Protection MCB Leakage Protector
$89.00 Save $30.00 RRP: $119.00
ETEK Dual Power Automatic Transfer Switch 2P 4P Din Rail ATS Uninterruptible Power Supply For Solar And Inverter EK2R
$159.00 Save $50.00 RRP: $209.00
PowMr 12V 24V DC Circuit Breaker 20A 30A 40A 50A 60A 80A 100A Home Solar System Waterproof Mini Circuit Breaker Fuse Inverter
$79.00 Save $25.00 RRP: $104.00
2p 16a 63a 10ma 30ma 100ma 6ka Rccb Rcd 230v Electromechanic Residual Current Circuit Breaker Differential Breaker Safety Switch Tw
$79.00