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Shop the best prices on 1,204 great value 40a products. Shopping for 40a is easy with Fruugo, with SALE discounts, offers and savings on Bolongking, Jelivey, Redkid and more. Buy battery charge controllers, specialty electrical switches & relays, circuit breaker panels and more online safely with Fruugo, with secure payment and fast shipping to Singapore.

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1 - 32 of 1,204
60a Din Rail 230v Adjustable Over And Under Voltage Protective Device Protector Relay Monitor Current Limit Tomzn Tovpd1-63-ec
$48.95 Save $20.05 RRP: $69.00
2025 2p 16a 63a 10ma 30ma 100ma 6ka Rccb Rcd 230v Electchanic Residual Current Circuit Breaker Differential Breaker Safety S Tw
$43.95 Save $45.05 RRP: $89.00
Spots Welder Control Board Spots Welder Controller Time Current Panel Control Mainboard with Digital Display Spots Welding Multicolor
$35.95
Mppt Solar Charge Controller 40a 70a 100a With Lcd Dual Usb Max 5v 2a Output 12v 24v Auto Solar Regulator Pv Max 50vdc New
$36.95
Fuse Circuit Breaker T1 Auto Reset Resettable Wide Blades Easily Install Small
$9.95 Save $2.00 RRP: $11.95
suitable for DC MCB 12V 24V 48V 60V 110V Circuit Breaker Battery Protect Switch Positive Negative Short Circuit 2P 10A 20A 50A 100A 125A 150A-YI WU
$99.00 Save $70.00 RRP: $169.00
Circuit Breaker Car Inline Replace Fuses Reset Inverter Holder Automotive Speaker Protection Unit For Woofer Enhancement Multicolor
$21.95
Solar Panel Regulator with LCD Display MPPT Solar Charge Controller for 12V and 24V Power Systems Improved Control Multicolor
$229.00
12V/24V MPPT Solar Charging Controller 10A 20A 30A 40A 50A 60A for Battery Street Light Sun Control Outdoor Lighting Multicolor
$46.95
DC MCB 12V 24V 48V 60V 110V Circuit Breaker Battery Protect Switch Positive Negative Short Circuit 2P 10A 20A 50A 100A 125A 150A
$114.00 Save $95.00 RRP: $209.00
Voltages Protectors Over Voltages Current & Under Voltages Protective Device Intelligent Relays Reset Protectors Multicolor
$37.95
Over Voltages and Under Voltages Protective Device Intelligent Relays Reset Protectors Voltages Output Stabilizer
$31.95
2p 16a 63a 10ma 30ma 100ma 6ka Rccb Rcd 230v Electromechanic Residual Current Circuit Breaker Differential Breaker Safety Switch Tw
$43.95 Save $25.05 RRP: $69.00
Under Over Voltages Protectors Voltages Output Stabilizer Single Phase Voltages Protectors Relays Reset Protectors
$30.95 Save $1.00 RRP: $31.95
Under Over Voltages Protectors Voltages Output Stabilizer Single Phase Voltages Protectors Relays Reset Protectors Multicolor
$34.95
Under Over Voltages Protectors Voltages Output Stabilizer Voltages Protectors Relays Reset Protectors Din Rail Mount Multicolor
$37.95
Kuoyuh 98 Series 15a Manual Reset Thermal Overload Protector Switch 3a-50a Straight Pin Screw Pin Mini Circuit Breaker f26
$64.00 Save $65.00 RRP: $129.00
2p 16a 63a 10ma 30ma 100ma 6ka Rccb Rcd 230v Electromechanic Residual Current Circuit Breaker Differential Breaker Safety Switch
$34.95 Save $49.05 RRP: $84.00
Tuya WiFi Smart Circuit Breaker with Timer and Remote Control App
$169.00 Save $60.00 RRP: $229.00
2p 16a 63a 10ma 30ma 100ma 6ka Rccb Rcd 230v Electromechanic Residual Current Circuit Breaker Differential Breaker Safety Switch Tw
$74.00 Save $45.00 RRP: $119.00
Intelligent Relays Reset Protectors Adjustable Relays Over Voltages Current & Under Voltages Protective Device
$35.95
Spots Welder Control Board 100A/40A Digital Display Spots Welding Time Current Controller Panel Timing Controller Board
$33.95
12/24v Solar Charge Controller With Dual Usb Port And Lcd Display For Domestic Commercial Industrial Applications
$34.95
Kuoyuh 98 Series Thermal Overload Protector Switch with Manual Reset - 3a to 50a, Mini Circuit Breaker for Electrical Overload Protection
$54.00 Save $25.00 RRP: $79.00
Mppt Solar Charge Controller 40a 70a 100a With Lcd Dual Usb Max 5v 2a Output 12v 24v Auto Solar Regulator Pv Max 50vdc
$35.95 Save $18.05 RRP: $54.00
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
$50.95 Save $128.05 RRP: $179.00
Under Over Voltages Protectors Voltages Output Stabilizer Single Phase Voltages Protectors Relays Reset Protectors
$31.95
Miniature Residual Current Circuit Breaker 1 Pole 400 Volt Household Leakage Protector Din Rail Installation Dz47-63
$84.00 Save $55.00 RRP: $139.00
Tuya Wifi Intelligent Circuit Breaker Wireless Remotes Control Din Rail Switch Mobilephone App Remotes Viewing Intelligent Home Equipment Timing Count
$59.00
2p 16a 63a 10ma 30ma 100ma 6ka Rccb Rcd 230v Electromechanic Residual Current Circuit Breaker Differential Breaker Safety Switch Tw
$59.00 Save $130.00 RRP: $189.00
Over Voltages Current & Under Voltages Protective Device Adjustable Single Phase Voltages Protectors Relays Easy to Use
$32.95
Chint NXBLE Series 40A 30mA RCBO Circuit Breaker with Overload and Leakage Protection
$129.00 Save $130.00 RRP: $259.00