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Under $20 30A

Shop the best prices on 443 great value under $20 30a products. Shopping for under $20 30a is easy with Fruugo, with SALE discounts, offers and savings on Zhouxixi. 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 PanelsSolar Energy KitsPower Inlets
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1 - 32 of 443
Air compressor circuit breaker, Guoyu 88 series thermal overload protection
$13.95 Save $9.00 RRP: $22.95
Automatic reset thermal circuit breaker for L2 series, 2pcs 10A overload protector 125-250V AC 50V DC
$17.95 Save $9.00 RRP: $26.95
2pcs 10a Automatic Thermal Circuit Breaker Thermal Overload Protector 10amp L2 Series 125-250v Ac 50v Dc Automatic Reset Relay Fuse Thermal Switch Cir
$18.95 Save $40.05 RRP: $59.00
Solar Charge Controller 10a/20a/30a Solar Panel Battery Intelligent Regulator
$14.95 Save $7.00 RRP: $21.95
MC10D 1000V Solar PV Connector IP68 Waterproof Solar PV Fuse Holder for Solar Panel Connection
$14.95
2pcs 10a Automatic Thermal Circuit Breaker Thermal Overload Protector 10amp L2 Series 125-250v Ac 50v Dc Automatic Reset Relay Fuse Thermal Switch Cir
$15.95 Save $22.00 RRP: $37.95
7S Lithium Battery Protection Board for Electronic Tools Wheelchairs Vehicles 7S 3.7V
$20.95 Save $9.00 RRP: $29.95
DC 7-26V Brushless Motor Driver DC Motor Drive Board Speed Controller Regulator with Potentiometer f
$16.95 Save $8.00 RRP: $24.95
85L1 AC Panel Meter Analog Panel Ammeter Dial Current Gauge Pointer Ammeter
$21.95
Solar Charge Controller 20-60A MPPT/PWM LCD Display for Solar Panel Battery Regulator
$14.95
Compact Ammeter Analog Amp Meter Gauge Rectangle Panel Meter Current Tester
$18.95 Save $9.00 RRP: $27.95
Transformers 220V To 5V 12V 24V 36V Power Supply 5 12 24 36 V 1A 2A 3A 5A 6A 8A 10A 15A 20A Transformer 220V To 12V 24V 5V
$2.95
10/20/30A 12/24V High Clarity Display Dual USB Voltage Regulator Solar Charge Controller QinHai
$15.95 Save $22.00 RRP: $37.95
Industrial Grade 30A Solar Charge Controller with Clear Status Display
$17.95 Save $17.00 RRP: $34.95
100A 80A 70A 60A 50A 40A 30A PAL Male Slow Blow Car Auto Fuse for Honda Mazda
$15.95 Save $68.05 RRP: $84.00
Charge Orange PWM Auto Adapting 12V 24V USB 5V 2A Output Panel Controller for Solar Power System
$20.95 Save $24.00 RRP: $44.95
Circuit Breaker Overload Protector Switch Fuse 3a 4a 5a 6a 8a 10a 15a 20a 30a Hfmqv
$18.95 Save $15.00 RRP: $33.95
Tuya Smart WiFi Dry Contact Switch Module 10A Home Universal DIY Breaker Relay Work with Smart Life 26-27s
$17.95 Save $17.00 RRP: $34.95
Solar Charge Controller Battery Charger Home Waterproof
$10.95 Save $5.00 RRP: $15.95
IP68 Boat Rocker Switch 12V-24V Waterproof Switch High Current Power with LED Light Power Button on/
$12.95 Save $6.00 RRP: $18.95
Circuit breaker with automatic reset for equipment - 10amp thermal overload protector 50V DC
$7.95 Save $3.00 RRP: $10.95
Waterproof Dual Battery Circuit Breaker 12V-24V Manual Reset 20-150Amp IP67 Fuse Protection
$20.95 Save $13.00 RRP: $33.95
2pcs 10a Automatic Thermal Circuit Breaker Thermal Overload Protector 10amp L2 Series 125-250v Ac 50v Dc Automatic Reset Relay Fuse Thermal Switch Cir
$15.95 Save $8.00 RRP: $23.95
2pcs 10a Automatic Thermal Circuit Breaker Thermal Overload Protector 10amp L2 Series 125-250v Ac 50v Dc Automatic Reset Relay Fuse Thermal Switch Cir
$17.95 Save $16.00 RRP: $33.95
Waterproof Solar Charge Controller Battery Charger for Home
$10.95 Save $5.00 RRP: $15.95
2pcs 10a Automatic Thermal Circuit Breaker Thermal Overload Protector 10amp L2 Series 125-250v Ac 50v Dc Automatic Reset Relay Fuse Thermal Switch Cir
$18.95 Save $75.05 RRP: $94.00
Waterproof Solar Charge Controller Battery Charger for Home (Europe)
$14.95 Save $35.00 RRP: $49.95
Automatic reset thermal circuit breaker for L2 series, 2pcs 10A overload protector 125-250V AC 50V DC
$20.95 Save $48.05 RRP: $69.00
Jr-617 Waterproof In-Line Switch Cord with Round Wire Double Cut Dustproof Switch
$10.95 Save $18.00 RRP: $28.95
Waterproof DC Circuit Breaker 30A-300A 12V-48V IP67 with Manual Reset for Automotive/Marine/Recreational Vehicles
$20.95 Save $33.05 RRP: $54.00
Electrical Fuse Switch with 3A-30A Overload Protection for Circuit Breaker Systems
$22.95 Save $41.05 RRP: $64.00
Car Inline Manual Circuit Breaker Power DC 12V-24V
$11.95 Save $3.00 RRP: $14.95