The 90 AM range, in addition to auxiliaries common for the all circuit breakers, comprises many modular accessories for the protection, command, programming, measurement and signalling in electrical systems.
IP20
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DescriptionResidual current relay with separate toroid
TypeA
Dimensions3 modules
StandardEN 60947-2 Annex M
Tightening torque0,5 Nm
Rated operating voltage (Ue)230 V (± 10%)
Red LED reportExceeding the threshold IΔn after the delay time Δt
Resistance at test voltage2kV at 50Hz for 1 minute (1kV per measurement circuit)
CHARACTERISTICS: the tripping (Idn) and delay (dt) thresholds are adjustable:
Idn (A): 0,03 - 0,1 - 0,3 - 0,5 - 1 - 1,5 - 2 - 3 - 5 - 10 - 20 - 30.
dt (s): 0 - 0.25 - 0.5 - 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 10. NOTE: mounting on DIN rail EN 50022. For the operation of the residual current protection, it is necessary to use: the residual current relay, a suitable toroid, and a release for the associated circuit breaker.