ARD2M Motorschutzschalter

ARD2M motor protection switch

The Acrel ARD2M motor protector (hereinafter referred to as "protector") is suitable for low-voltage motor circuits with a rated voltage of up to 660 V and integrates protection, measurement, control, communication, operation, and maintenance. Its perfect protection function ensures the safe operation of the motor and can meet a variety of control methods with a logically programmable function.

U, I, P, S, PF, F, EP, leakage, PTC/NTC
8 programmable DI; 5 programmable DO
Start control function
Modbus RTU or Profibus DP communication
1 DC4-20mA analog output
SOE
Anti-shaking function
Nominal U and I: 660 V, 800 A

PRODUCT INFO
TECHNICAL DATA
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Product info

1Protective function
2Control function
Various control methods, programmable inputs and outputs
3Measurement, monitoring
Three-phase voltage, current, active power, electrical energy, leakage current, power factor, PTC/NTC
4SOE
5communication
RS485 Modbus RTU or Profibus-DP

Technical data

Technical parameters	index
Protector auxiliary power supply	AC85-265V/DC100-350V
Rated operating voltage of the motor	AC220V / 380V, 50Hz / 60Hz
Rated operating current of the motor	1 (0.1A-5000A)	Integrated/split current transformer
	5 (0.1A-5000A)
	25 (6.3A-25A)
	100 (25A-100A)
	250 (63A-250A)	Split current transformer
	800 (250A-800A)
Contact capacity of the relay output	Impedance load	AC250V, 10A
Switching input	8 channels with passive dry contact (active DC110V, DC220V and AC220V input optional)
communication	RS485 Modbus_RTU, Profibus_DP
Environment	working temperature	-10ºC～55ºC
	Storage temperature	-25ºC～70ºC
	Relative humidity	≤95﹪No condensation, no corrosive gas
	Height	≤2000m
degree of contamination	Class 3
Degree of protection	Main body IP20, split display module IP54 (installed on the cabinet panel)
Plant category	Stage III