AM4 Serie Mittelspannungsschutzrelais

AM4 series medium voltage protection relays

A comprehensive set of protection, depending on the application;
4 current inputs, 4 voltage inputs, 12DI, 5DO;
Auxiliary power supply adaptable with AC220V, DC220V, DC110V, AC110V;
1 RS485 interface, IEC60870-5-103 and Modbus RTU;
1 RS232 for user updates;
1 GPS for GPS timing;
More than 200 event sequence records, more than 400 system logs and more than 10 seconds long trigger context records;
Powerful graphically programmable logic.

Power supply:	AC/DC220V or AC/DC110V or DC48V (see circuit diagram)
Nominal voltage:	AC100V
Accuracy:	±0.5 %
Rated current:	AC 5 A/1 A (see device circuit diagram)
Nominal frequency:	50 Hz or 60 Hz
Mechanical life:	≥10000 times
Switching capacity:	≥1000 W, L/R = 40 ms
Inrush current:	continuous ≥ 5 A, short-term (200 ms) ≥ 30 A
Widely used in substations

Nominal parameters	Power supply	AC/DC220V or AC/DC110V or DC48V (see circuit diagram)
		Range: Power supply * (1±20%)
		Maximum power consumption: ≤10 W (DC)
	nominal voltage	AC100V
		Range: 1-120V
		Accuracy: ±0.5%
		Power consumption: ≤0.5 VA (single-phase)
		Overload capacity: 1.2 times rated voltage for continuous operation; 2 times for 10 seconds
	Rated current	AC 5A/1A (See device wiring diagram)
		Range: 0.04in~15in
		Power consumption: ≤0.5 VA (single-phase)
		Overcapacity: 2 times rated current for continuous operation; 40 times for 1 second
	frequency	50 Hz or 60 Hz
		45~55Hz
		Accuracy: ±0.1Hz
	Digital input	AC/DC220V, AC/DC110V, DC48V (Similar to power supply)
		Voltage range: Nominal voltage * (1±20%)
		Power consumption: ≤1 W (DC 220 V) (single channel)
	Digital output	Mechanical life: ≥10000 times
		Switching power: ≥1000W, L/R=40ms
		Inrush current: continuous ≥ 5 A, short-term (200 ms) ≥ 30 A.
		Interrupting power: ≥30W,L/R=40ms
Normal working conditions	Ambient temperature: -10℃~+55℃
	The device can be stored and transported at an ambient temperature of -25 °C to +70 °C.
	Relative Humidity: 5 % ~ 95 % (The product does it)
	Altitude: ≤4000m