Durite 072723/Lucas SRB630

Durite 072723 / Lucas SRB630 split charge relay 70/20 amp - 12 volt

Durite/Lucas SRB630 relay
£5 OFF!
  • Description
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  • Specifications

Split charge system 70/20 amps with isolated fridge supply

This 70/20 amp split charging system will split the alternator charge between the starter battery and the leisure battery - extra terminal isolates the fridge circuit separately at 20 amps.

Requires trigger / alternator connection for operation! Not suitable for more modern engines with Canbus / Multiplex wiring systems, or intelligent alternators.

2 x 2.8mm, 1 x 6.3mm & 2 x 9.5mm terminals. Replaces Lucas part no. SRB 630.



Model #:


Max amps:

70 amps/20 amps (fridge supply)

Voltage input: 12v
Voltage output: 12v
Dimensions (mm): 30 x  30 x 50 (LxWxH)
Warranty 1 year
Multi-stage charging:


Instructions included:

Connections marked on back of relay

Installation difficulty rating:

Quite easy