
Expansion Modules up to 2 modules – MD01/05
MD01 and MD05 are the plug-on modules for MH Relays particularly for MH REA200n, ROA207n and REF052n.
Expansion module MD01 is an add-on RS485 interface module. Whereas add-on module MD05 is for additional output contacts
Technical Data
Module MD01 RS485 Interface
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General
RS485 interface,
3 wire connection (GND, A+, B-)
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Dimension
W20mm x H72mm x D37mm
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Protocol
Modbus RTU/slave
1.2, 2.4, 4.8, 9.6, 19.2, 38.4 kbps
Module MD05 Output Contacts
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General
2 x NO latch output contacts
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Dimension
W20mm x H72mm x D37mm
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Contact Rating
250VAC 5A
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Programmable settings via REA200n, ROA207n and REF052n
OC – Overcurrent trip (> OC and/or >> OC)
>OC – Delayed time (IDMTL or DTL) overcurrent trip
>>OC – Instantaneous overcurrent trip
EF – Earth fault trip (>EF and/or >>EF)
>EF – Delayed time (IDMTL / DTL) earth fault trip
>>EF – Instantaneous earth fault trip
Trip – Any of above tripping
Fault – Relay internal fault
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