Free Delivery
Over £60 Ex VAT
Relays
Relays are electromechanical or solid-state switches used to control high-power circuits with low-power signals. They play a crucial role in automating, isolating, and protecting electrical systems across a wide range of applications.
Filter
Blue Sea 7610 Automatic Charging Relay 12/24V DC 120A
In Stock
- Ensure the system operates on 12V or 24V DC and the auto-ranging voltage input is correct.
- Confirm both house and engine batteries are properly connected and secure.
- Ensure isolation of house loads during engine cranking to protect electronics from voltage fluctuations.
- Verify continuous rating of 120A and intermittent rating of 210A (5 minutes).
- Ensure cables are 1/0 AWG, with terminal studs torqued to 140 in-lb (15.82 Nm).
£98.59
Blue Sea 7623-BSS ML-ACR Automatic Charging Relay with Manual Control – 24V DC 500A
In Stock
- Combines batteries during charging, isolates during discharging and engine cranking, and allows paralleling for emergency starting.
- Provides extra safety with the ability to lock off for servicing and manual control without power.
- Supports 500A continuous, 700A intermittent (5 min), and 1450A cranking rating for high-output alternators.
- Senses charge on both battery banks; includes Start Isolation (SI) and Engine Isolation (EI) for protecting electronics.
- Includes tin-plated copper studs, silver alloy contacts, LED indicators, and can handle up to 100,000 switching cycles with high reliability.
£229.99
Apply for a Trade Account
Enhance your shopping experience with Marine Electricals. Unlock discounted pricing and seamless ordering by applying for our exclusive Trade Account today!