P341/EN AD/F43 Update Documentation
(AD) -6
MiCOM P341
Mechanical Specifications
Design
Modular MiCOM Px40 platform relay, P341 in
40TE case. Mounting is front of panel flush
mounting, or 19“ rack mounted with rack frame
(ordering options).
Enclosure Protection
Per IEC 60529: 1989:
IP 52 Protection (front panel) against dust and
dripping water,
IP 50 Protection for sides of the case,
IP 10 Protection for the rear.
Weight
P341 (40TE) :7kg
Terminals
AC Current and Voltage Measuring Inputs
Located on heavy duty (black) terminal block:
Threaded M4 terminals, for ring lug
connection.
CT inputs have integral safety shorting, upon
removal of the terminal block.
General Input/Output Terminals
For power supply, opto inputs, output contacts
and RP1 rear communications.
Located on general purpose (grey) blocks:
Threaded M4 terminals, for ring lug
connection.
Case Protective Earth Connection
Two rear stud connections, threaded M4.
Must be earthed (grounded) for safety,
minimum earth wire size 2.5mm2.
Front Port Serial PC Interface
EIA(RS)232 DCE, 9 pin D-type female
connector Socket SK1.
Courier protocol for interface to MiCOM S1
software.
Isolation to ELV (extra low voltage) level.
Maximum cable length 15m.
Front Download/Monitor Port
EIA(RS)232, 25 pin D-type female connector
Socket SK2.
For firmware and menu text downloads.
Isolation to ELV level.
Rear Communications Port (RP1)
EIA(RS)485 signal levels, two wire
connections located on general purpose block,
M4 screw.
For screened twisted pair cable, multidrop,
1000m max.
For K-Bus, IEC-60870-5-103, MODBUS or
DNP3.0 protocol (ordering options).
Isolation to SELV (safety extra low low voltage)
level.
Optional Rear Fiber Connection for
SCADA/DCS
BFOC 2.5 -(ST®)-interface for glass fiber, as
per IEC 874-10.
850nm short-haul fibers, one Tx and one Rx.
For Courier, IEC-60870-5-103, MODBUS or
DNP3.0 (Ordering options).
Optional Second Rear Communications
Port (RP2)
EIA(RS)232, 9 pin D-type female connector,
socket SK4.
Courier protocol: K-Bus, EIA(RS)232, or
EIA(RS)485 connection.
Isolation to SELV level.
Optional Rear IRIG-B Interface modulated
or de-modulated
BNC plug
Isolation to SELV level.
50 ohm coaxial cable.
Optional Rear Ethernet Connection for
IEC 61850
10BaseT/100BaseTX Communications
Interface in accordance with IEEE802.3 and
IEC 61850
Isolation: 1.5kV
Connector type: RJ45
Cable type: Screened Twisted Pair (STP)
Max. cable length: 100m
100 Base FX Interface
Interface in accordance with IEEE802.3 and
IEC 61850
Wavelength: 1300nm
Fiber: multi-mode 50/125µm or 62.5/125µm
Connector type: BFOC 2.5 - (ST®)
Ratings
AC Measuring Inputs
Nominal frequency: 50 and 60 Hz (settable)
Operating range: 40 to 70 Hz
