SCHNEIDER MiCOM P921 Voltage and frequency mgt and protection relay 20TE - P9210AST412CD3

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Range of product MiCOM P921
Device short name P921
Relay application Voltage control relay
Protection type 3-pole breaker
ANSI 50BF : breaker failure
ANSI 59 : overvoltage
ANSI 59N : neutral voltage displacement
ANSI 27 : undervoltage protection
Number of inputs 2 discrete
4 current input CT...X/5 A and X/1 A
4 voltage
Number of outputs 4 discrete
Communication port protocol DNP3
Modbus RTU
IEC 60870-5-103
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
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
Height 177 mm total:
157.5 mm embedded:
Width 103 mm
Depth 270 mm total:
240 mm embedded:
Device mounting Flush