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Shop the best prices on 1,815 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 specialty electrical switches & relays, battery charge controllers, circuit breaker panels and more online safely with Fruugo, with secure payment and fast shipping to Singapore.

Specialty Electrical Switches & RelaysBattery Charge ControllersCircuit Breaker PanelsRemote Control Boats & WatercraftMotor Vehicle Power & Electrical Systems
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65 - 96 of 1,815
12V/24V Solar Controller Solar Panel Regulator with LCD Display 4 USB Port Plate Solar Panel Battery Regulator Multicolor
$47.95
Kuoyuh 98 Series 15a Manual Reset Thermal Overload Protector Switch 3a-50a Straight Pin Screw Pin Mini Circuit Breaker
$32.95 Save $46.05 RRP: $79.00
2P 32A Residual Current Circuit Breaker Type A 10/30/100/300mA Differential Safety Switch for Electrical Protection
$64.00 Save $65.00 RRP: $129.00
2P 16A-63A Residual Current Circuit Breaker, 10mA-100mA Sensitivity, 6kA Breaking Capacity, 230V Protector for Safety Electrical Systems
$69.00 Save $70.00 RRP: $139.00
Mppt Solar Charge Controller 40a 70a 100a With Lcd Dual Usb Max 5v 2a Output 12v 24v Auto Solar Regulator Pv Max 50vdc
$36.95
Kuoyuh 98 15a Reset Overload Protector Switch 3a-50a Straight Pin Screw Pin Mini Circuit Breaker
$35.95
DC24V to 12V Voltage Converter Adapter Voltage Regulator 10A -70A Optional for Taxi Radio LCD TV and Electronic System
$54.00
Thermal Overload Protector for Kuoyuh 98 Series, 15a Manual Reset Circuit Breaker
$42.95 Save $76.05 RRP: $119.00
Mini Thermal Overload Protector for Kuoyuh 98, Manual Reset Switch 15A with Screw/Straight Pin
$40.95 Save $78.05 RRP: $119.00
MPPT Solar Charge Controller With Backlights Display 20A/30A/40A Auto Solar Charge Battery Regulator for Solar panel Multicolor
$229.00
Voltage Protective Device Auto Recovery Adjustable Over Under Voltage Protector Switch 220V AC
$32.95 Save $41.05 RRP: $74.00
20-150amp Circuit Breaker Dual Battery Ip67 12v-24v Fuse Manual Reset Waterproof
$16.95 Save $72.05 RRP: $89.00
Tuya Wifi Intelligent Circuit Breaker Wireless Remotes Control Din Rail Switch Mobilephone App Remotes Viewing Intelligent Home Equipment Timing Count
$59.00
Boats/Car Circuit Breaker with Manual Resets Switches Waterproof Inline Fuses Inverters High Current Circuit Breaker
$33.95
DC12V-24V to 5V Voltage Reducer, IP67 Waterproof Design Step Down Buck Modules Power Converter for Car Trucks SUV
$54.00
6A/20A/25A/40A Mini Circuit Breaker Low-Voltage Overload for Protection Switch DIN Rail Mount Circuit Breaker Durable
$32.95 Save $3.00 RRP: $35.95
Spot Welder Controller Adjustable Time Current Spot Welder Control Board Digital Display Portable DIY Battery Accessories
$44.95 Save $9.05 RRP: $54.00
Advanced Sun power Controllers 12V 24V Auto Electric Recognition Waterproof Device ABS for Off House Shop Farm Multicolor
$59.00
6A/20A/25A/40A Mini Circuit Breaker Low-Voltage Overload for Protection Switch DIN Rail Mount Circuit Breaker Durable Multicolor
$41.95
Over Voltages and Under Voltages Protective Device Intelligent Relays Reset Protectors Voltages Output Stabilizer
$31.95
2P 16A-63A 10mA-100mA 6kA Residual Current Circuit Breaker 230V Safety Differential Protection Device
$44.95 Save $49.05 RRP: $94.00
Mppt Solar Charge Controller 40a 70a 100a With Lcd Dual Usb Max 5v 2a Output 12v 24v Auto Solar Regulator Pv Max 50vdc
$36.95
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
$46.95 Save $122.05 RRP: $169.00
Dc Circuit Breaker 1000v 2 Pole Double Mcb Solar Pv 63 Amp
$14.95 Save $69.05 RRP: $84.00
Professional DC DC Converter 30A 40A 60A 7A Output, Stable Current Suitable for CarAudio LCD TVs, and LED Strip Lights Multicolor
$129.00
IP67 Waterproof Converter Step Down 12V-24V to 5V 5A/10A/20A/30A/40A Power Supply Adapter Direct Current Buck Modules
$47.95 Save $6.05 RRP: $54.00
DC12V-24V to 5V Voltage Reducer, IP67 Waterproof Design Step Down Buck Modules Power Converter for Car Trucks SUV
$54.00
Brushless Electronic Speed Controller For BLHeliSeries 20A/30A/40A/50A/60A/80A for Remote Control Car Ship Propeller
$31.95
10a 20a 30a 40a 50a 60a Pwm Controller 12v Solar Panel Kit Accessories 100w Flexible Module And Cable For Battery -j unbrand
$11.95 Save $6.00 RRP: $17.95
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-Yvan
$49.95 Save $24.05 RRP: $74.00
Residual Current Circuit Breaker with Leakage Protection, DZ47LE Series, NXBLE Type
$89.00 Save $110.00 RRP: $199.00
2P 16A-63A 10mA-100mA 6kA RCCB RCD 230V Residual Current Circuit Breaker Safety Switch
$44.95 Save $44.05 RRP: $89.00