Bender IRDH275-435 Insulation Monitoring Device B91065100 Software D160 V1.4

IRDH275 SERIES IS DESIGNED TO MONITOR THE INSULATION RESISTANCE OF UNEARTHED MAIN CIRCUITS (IT SYSTEMS) AC, AC/DC 0…793 V RESP. DC 0…650 V.

Supply Voltage : AC 88…264V/DC 77…286V
Power consumption : 8,0 VA
Relay contacs : AC 250 V 5A

Rated voltage :- 800 V AC

Nominal voltage range :- 650 VDC

Response value  :- 1 kΩ…10 MΩ

Relative uncertainty (1 MΩ…10 MΩ) :- 0.2 MΩ/+20 %

Measuring voltage :- ≤ 50 V

Measuring current I m :- ≤ 280 μA

Display range, measuring value :- 1 kΩ…10 MΩ

Operating uncertainty (1 MΩ…10 MΩ) :- ±0.1 MΩ/±15 %

Interface/Protocol:- .RS-485

Terminating resistor :- 120 Ω (0.5 W)

Rated contact voltage :- AC 250 V/DC 300 V

Making capacity :- AC/DC 5 A

Breaking capacity :- 2 A, AC 230 V, cos phi = 0.4, 0.2 A, DC 220 V, L/R = 0.04 s

Minimum contact current at DC 24 V :- 2 mA (50 mW)

Vibration resistance IEC 60068-2-6 (device in operation) :- 1 g/10…150 Hz

Vibration resistance IEC 60068-2-6 (during transport) :- 2 g/10…150 Hz

Ambient temperature (during operation) :- -10 °C…+55 °C

Storage temperature range :-  -40 °C…+70 °C

Connection, rigid, flexible :- 0.2…4 mm2 /0.2…2.5 mm2

Conductor sizes (AWG) :- 24-12

Protection class, internal components :- IP30

Protection class, terminals :- IP20

Tightening torque :- 0.5 Nm

Protection class, terminals :- 1.6 mm/10…25 Hz

Ambient temperature (during operation)  :- -40 °C…+70 °C

Storage temperature range :- -40 °C…+85 °C