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Shop the best prices on 1,586 great value 30a products. Shopping for 30a is easy with Fruugo, with SALE discounts, offers and savings on Fsu, Zhouxixi, Asiv 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.

Battery Charge ControllersSpecialty Electrical Switches & RelaysCircuit Breaker PanelsSolar Energy KitsVoltage Transformers & Regulators
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1,377 - 1,408 of 1,586
XXD30A 3CH ESC-Consistency Speed Controler Power Channel CCPM Meter Checker
$23.95
Dual USB LCD Display 12V 24V Solar Cell Panel Charger Regulator with Load
$48.95
5A/20A/30A/50A Current Measurement Transformer 5A/20A/30A/50A Easy Connection
$15.95
30/50/80/100/200/300A Waterproof Circuit Breaker 12-48V Fuse Reset for Car Boat
$28.95
Auto Circuit Breaker Reset Fuse Inverter Fuse Holder Inline Fuse Block 20-100 Amp
$19.95 Save $22.00 RRP: $41.95
SOECOPO Flexible Solar Panel + Controller Kit High-Efficiency for RV/Boat AgpWCZ
$69.00 Save $15.00 RRP: $84.00
SOECOPO Flexible Solar Panel + Controller Kit High-Efficiency for RV/Boat AgpWCZ
$69.00 Save $15.00 RRP: $84.00
Solar Controller, Solar Panel Controller PWM 12V 24V 30A 5V Output Solar Panel Charger Regulator with LCD Dual USB -q41
$59.00 Save $60.00 RRP: $119.00
NEW 5A Hall Current Sensor Module ACS712 model 5A 20A 30A In stock high quality
$33.95 Save $35.05 RRP: $69.00
Waterproof Dual Battery Circuit Breaker 12V-24V Manual Reset 20-150Amp IP67 Fuse Protection
$20.95 Save $13.00 RRP: $33.95
Reliable Mini Current Sensor Micro Precision Current Transformer 5A/30A/50A
$17.95
Circuit Breaker,12V-48V Fuse Holder 20A 30A 40A 50A 60A 80A 100A 150A 200A,Waterproof Circuit Breaker Resettable Fuse Holder for Car Marine Boat Bike
$45.95 Save $28.05 RRP: $74.00
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
Solar Charge Controller Dual USB Output Pvoltaic Power Controller 12V 24V 10A 20A 30A Solar Controller Solar LCD Display
$46.95 Save $12.05 RRP: $59.00
Circuit Breaker Overload Protector Switch Fuse 3a 4a 5a 6a 8a 10a 15a 20a 30a Cy
$12.95 Save $6.00 RRP: $18.95
12/24V Solar Charge Controller with Dual USB Port and LCD Display for Domestic Commercial Industrial Applications unbrand
$19.95 Save $10.00 RRP: $29.95
2pcs 10a Automatic Thermal Circuit Breaker Thermal Overload Protector 10amp L2 Series 125-250v Ac 50v Dc Automatic Reset Relay Fuse Thermal Switch Cir
$13.95 Save $8.00 RRP: $21.95
30A Battery Capacity Tester DC 0-420V WiFi Coulomb Meter Volt-Ammeter Power Battery Monitor with 80A Relay 30A
$84.00 Save $45.00 RRP: $129.00
85L1 AC Panel Meter Analog Panel Ammeter Dial Current Gauge Pointer Ammeter
$8.95 Save $8.00 RRP: $16.95
12V 24V Setup-Free Color Screen Luminous Display Solar Controller PV Solar Charge Controller
$36.95
12V 24V 11.1V Solar Controller PV Solar Charge Controller
$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
$31.95 Save $47.05 RRP: $79.00
2025 Car Inline Manual Circuit Breaker Power DC 12V-24V
$1.95 Save $2.00 RRP: $3.95
10A-100a 75mv Current Meter Shunt Dc Ammeter Splitter Current Shunt Resistor Dc Meter Shunted Ammeter unbrand
$25.95 Save $8.00 RRP: $33.95
Jr-617 Waterproof In Line Switch Cord Switch Round Wire Double Cut Dust Switch
$45.95 Save $13.05 RRP: $59.00
1200W 12V Solar Panel Kit w/ 10A-100A Controller For Phone RV Car Caravan Camp2c
$45.95 Save $18.05 RRP: $64.00
2025 10a-30a Mppt 12v/24v Solar Charger Controller Usb Dual Solar Panel Regulator
$39.95 Save $39.05 RRP: $79.00
30/50/80/100/200/300a Waterproof Circuit Breaker 12-48v Fuse Reset For Car Boat 25-26
$36.95 Save $37.05 RRP: $74.00
2025 12V/24V Solar Charge Controller with LCD Display, Auto Adjustable for Off-Grid Panel System
$69.00 Save $70.00 RRP: $139.00
Charge Controller Automatic Recognition LCD Screen Current Display Intelligent Solar Regulator 12V 24V
$79.00 Save $100.00 RRP: $179.00
Solar Controllers MPPT 100A 80A 60A 50A 40A 30A Dual USB LCD Display 12V 24V
$34.95 Save $17.00 RRP: $51.95
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