monitor
Residual current monitors with integrated bushing transformer for continuous detection of sinusoidal AC and pulsating DC currents.
Signals the transgression of the response threshold of 50% of the rated residual current by the integrated relay.
Signals the transgression of the response threshold of 50% of the rated residual current by the integrated relay
Output of the instantaneous residual current via standardised 4-20 mA interface for optional indication and monitoring
Residual operating current characteristics: A
max. adjustable residual operating current I∆adj AC:
Frequency range response residual current Type A: 50 Hz ... 60 Hz
voltage type of monitored circuit: AC
Rated voltage Uem of circuit monitored AC: 0 V ... 690 V
Rated frequency of circuit monitored: 50 Hz ... 60 Hz
Control elements: test key
transformer, primary side:
Rated current: 300 A
Rated impulse withstand voltage: 8 kV
alarm output (relays):
1 CO
Rated voltage (AC): 30 V (27 V ... 33 V)
Rated current AC (typ.): 1 A
Rated voltage (DC): 30 V (27 V ... 33 V)
Rated current DC (typ.): 1 A
4–20 mA interface (semiconductor):
Operating voltage (DC): 24 V (21.6 V ... 26.4 V)
Housing type: wall-mounted housing
Installation type: Wall mounting
Protection class: IP20
Dimensions of transformer opening: W 120 mm × H 129 mm × D 71 mm
Inside diameter: 70 mm
Design requirements/Standards: DIN EN 62020, DIN EN 61000-4-3, DIN EN 61000-4-6, DIN IEC 381-1, ISA-50.1
Factory: Doepke or similar
Item designation: DCTR A 070/0,30-I
Order number: 09342641
selected make/type: ___________/___________
Residual current monitor, 4–20 mA interface, Type A, 70 mm