Main

Range of product

MiCOM P122

Device short name

P122

Relay application

Feeder

Protection type

Overcurrent ANSI code: 50/51
 Cold load pick-up
 Earth fault ANSI code: 50G/51G
 Lockout ANSI code: 86
 Thermal overload protection ANSI code: 49RMS
 Phase undercurrent ANSI code: 37
 Breaker failure ANSI code: 50BF
 Negative sequence overcurrent ANSI code: 46
 Restricted earth fault ANSI code: 64REF

Number of inputs

4 current input CT...X/5 A and X/1 A
 3 discrete

Number of outputs

7 discrete

Communication port protocol

IEC 60870-5-103
 Modbus RTU
 DNP3

Complementary

[Us] rated supply voltage

24...250 V DC 19.2…300 V
 48...250 V DC 38.4…300 V
 48...240 V AC 38.4…264 V

Control and monitoring type

Circuit breaker/contactor control

Network and machine diagnosis type

Fault recording
 Event recording
 Disturbance recording15 s

Switchgear diagnosis type

Trip circuit supervision ANSI code: TCS

Display type

Backlit LCD: 2 lines of 16 characters

Discrete input voltage

24...250 V DC 19.2 V standard variant
 48...250 V AC 19.2 V standard variant
 48...250 V DC 105 V further option
 48...250 V DC 77 V further option
 48...250 V DC 154 V further option
 48...240 V AC 105 V further option
 48...240 V AC 77 V further option
 48...240 V AC 154 V further option

Communication port support

RS485
 RS232

Environment

type of measurement

Current

Height

177 mm total:
 157.5 mm embedded:

Width

103 mm

Depth

270 mm total:
 240 mm embedded:

device mounting

Flush