MoTeC SDL - Manual (Page 54)

52 Appendices
Appendix E: Auxiliary Output Characteristics
Output Type: Open Collector (Drives to ground) with weak pullup (10k ohms)
to battery positive.
Control is by On/Off condition only, the Auxiliary outputs do not support
variable frequency or duty cycle control.
Current: 0.5 Amp max, current limited & thermal overload protected
Output Clamp: 50V Flyback Clamp (No Clamp Diode to supply).