ARD2F Motorschutzschalter

ARD2F motor protection switch

The ARD2F intelligent motor protection device (hereinafter referred to as "protection device") is suitable for low-voltage motor circuits with rated voltages up to 660 V and integrates protection, measurement, control, communication, operation, and maintenance. Its perfect protection function ensures safe motor operation and enables a variety of control methods thanks to logically programmable functions.

U, I, P, S, PF, F, EP, Leakage, PTC/NTC
16 Protective function
Start control function
9 programmable DIs
5 programmable DO
Modbus RTU or Profibus DP communication
1 analog DC 4-20 mA output
20 fault records
Anti-shaking function

PRODUCT INFO
TECHNICAL DATA
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Product info

① Protective function
② Control function
Various control methods, programmable inputs and outputs
③ Measurement, monitoring
Three-phase voltage, current, active power, electrical energy, leakage current, power factor, PTC/NTC
4 Operation and maintenance log
5 Communication
6 Human-computer interaction

Technical data

Technical parameters	index
Auxiliary power supply of the protection	Supports two power supply modules: 220V AC power module (AC85-265V/DC100-300V) as standard, 380V AC power module (AC/DC100-415V) as optional
Rated operating voltage of the motor	AC220V/380V/660V，50Hz/60Hz
Rated operating current of the motor	1 (0.1A-5000A)	External current transformer
	5 (0.1A-5000A)
	1.6 (0.4A-1.6A)
	6.3 (1.6A-6.3A)
	25 (6.3A-25A)
	100 (25A-100A)
	250 (63A-250A)
	800 (250A-800A)
Contact capacity of the relay output	Impedance load	AC250V, 10A
Switching input	10 channels with passive dry contact (active DC110V, DC220V and AC220V input optional)
communication	MODBUS RTU communication, PROFIBUS_DP communication
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)
Installation category	Stage III