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Mounted current module
Scaling
1
(for adaption of the unit
to the measuring current)
Contact remains locked
in alarm position even though
the input returns to normal.
Latch circuit is reset by
disconnecting the supply voltage.
Distributor’s ID No.
Filled in by distributor
when customizing the unit.
Measuring current
corr. to 100% on scale
Supply voltage
Relay coupling
Shown is relay B as a
normally de-energised
relay, relay C as a
normally energised relay
with latch circuit
Type designation
DEIF’s order ack. No.
To be stated when contacting DEIF
Highest voltage
in relation to earth.
Installation category
(E.g. time delay(s),
special calibration)
1. Description
This stator earth fault relay type RMC-142D forms part of a complete DEIF series (the
uni-line
) of relays for protection and control of generators.
2. Label
The relay is provided with a label with the following data:
Note:
The relay is provided with a 200 ms power-up relay, ensuring correct
function of the relay on connection of the auxiliary voltage. Normally
energised contacts (”NE”) are not activated (contact does not open/close)
until 200 ms after connection of the auxiliary voltage. Likewise, the relay is
provided with a 200 ms power-down circuit, ensuring supervision and
maintenance of any set point exceeding for 200 ms after disconnection of
the auxiliary voltage.
3. Mounting instructions
The RMC-142D is designed
for panel mounting, being
mounted on a 35 mm DIN
rail, or by means of two 4-
mm screws.
Weight: Approx. 0.600 kg
