Power input - Arc protection - Bay control and measurement - Motor protection - Transformer protection - 2 winding - Busbar differential protection (low impedance) - Feeder protection - Voltage regulation - Busbar protection (voltage and frequency) - Capacitor bank protection - Interconnection protection - Power management/Load shedding - Back-up protection - Engineering Manual - SSC600 Smart substation control and protection - 1.5 - IEC - ANSI - 17.04.2023

The SSC600 products support single power input AC or DC. Depending on the product, there is either Low Voltage Variant or High Voltage Variant.

Table 1. Power supply

Description	High voltage variant	Low voltage variant
Nominal auxiliary voltage Un	100...240 VAC 50 and 60Hz	36...72 VDC
	100...240 VDC
Maximum interruption time in the auxiliary DC voltage without resetting the device	50 ms at Un
Auxiliary voltage variation	85...110% of Un (85...264VAC)
	80...117% of Un (80...280 VDC)
Start-up threshold
Power consumption	35 W (typical)
Ripple in the DC auxiliary voltage	Max 10% of the DC value (at frequency of 100 Hz)
Fuse type

Table 2. AC/DC power input PIN definition

Pin	Screen printing	Function description
1	L/V+	PWR1 L/PWR1 V+ AC/DC power input PIN Wire size at least 0,75 mm2 (AWG 20)
2	N/V-	PWR1 N/PWR1 V- AC/DC power input PIN Wire size at least 0,75 mm2 (AWG 20)
3		Protective earthing (PE) Wire size at least 0,75 mm2 (AWG 20)