Bender AGH520S Coupling Device B913033

The coupling device AGH520S is designed to extend the nominal voltage range of the ISOMETER® iso685… series and IRDH275-4…/ IRDH375-4…/IR470LY-40/IR420-D6/IRDH1065B-4 to (3)AC 0…7200 V, 50…400 Hz.

The coupling device is connected to the system to be monitored by one pole and connected to the terminal AK of the ISOMETER® by means of the terminal 5.

Operating voltage :- AC 6.3 kV

AC voltage test (basic insulation) :- AC 17.5 kV

Partial discharge test :- 12 kV

Nominal frequency fn :- 50…400 Hz

 Internal DC resistance Ri:- ≥ 80 kΩ

 Impedance Zi at 7.2 kV and 50 Hz:- ≥ 6 MΩ

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

Ambient temperature for UL applications (during operation) :- -10…+45 °C

Ambient temperature (during storage) :- -20…+70 °C

rigid/flexible :- 0.2…4 mm²/ 0.2…2.5 mm² (AWG 24…12)

Tightening torque :- 2.9 Nm

Degree of protection, internal components :-  IP64

Degree of protection, terminals :- IP20