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Installation and start up instructions
Short circuit relay type RMC-121D
uni-line
4189340260A (UK)
•
Short circuit protection: I>>
•
3 phase measurement
•
LED indication of fault condition
•
Timer controlled tripping
•
LED indication for activated relay
•
Extra change-over relay contact for signalling
•
35 mm DIN rail or base mounting
DEIF A/S
Frisenborgvej 33, DK-7800 Skive Fax:
Denmark
Tel.:
(+45) 9614 9614
(+45) 9614 9615
E-mail: deif@deif.com
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Summary of Contents for Deif RMC-121D
- Page 1 Installation and start up instructions Short circuit relay type RMC-121D uni-line 4189340260A (UK) • Short circuit protection: I>> • 3 phase measurement • LED indication of fault condition • Timer controlled tripping • LED indication for activated relay • Extra change-over relay contact for signalling •...
- Page 2 Description This short circuit relay type RMC-121D forms part of a complete DEIF series (the uni- line) of relays for protection and control of generators. Label The relay is provided with a label with the following data: Type designation DEIF’s order ack. no. To be...
- Page 3 Installation and start up instructions RMC-121D The design of the relay makes mounting of it close to other uni-line units possible, however make sure there are at least 50 mm between the top and bottom of this relay and other relays/units.
- Page 4 The built-in power-up circuit (200 ms) will then ensure that the relay is not activated until 200 ms after closing of the generator circuit breaker. When setting the set-points on the front of the RMC-121D an accuracy of ±5% of the scaling may normally be obtained.
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