Digital Outputs; Power Supply And Start - Deif SGC 420 Mk II User Manual

3.4.2 Digital outputs

Do not connect the starter motor relay and the stop solenoid directly to the output terminals on the controller.
The current rating is 5 A for terminals 3 and 4, and 1 A for terminals 5, 6, 7, 8, and 9.
NOTE Protect the genset and mains breaker relays against 4 kVA surges as described in IEC-61000-4-5.

3.4.3 Power supply and start

Do not connect the starter motor relay and the stop solenoid directly to the output terminals on the controller.
NOTE Remember to mount the freewheeling diodes.
User manual 4189341360A EN Page 21 of 99