Schneider Electric REL29101
MPNREL29101
Obsolete
P921 voltage relay - Modbus
StockContact for availability
MOQ1 pcs
Sourced new & surplus through independent channelsListing updated Jun 2026
Specifications
Identification
| Parameter | Value |
|---|---|
| Product range | MiCOM P921 |
| Device short name | P921 |
Mechanical
| Parameter | Value |
|---|---|
| Width | 103 mm |
| Height | Total: 177 mm Embedded: 157.5 mm |
| Depth | Total : 270 mm Embedded : 240 mm |
Other specifications
| Parameter | Value |
|---|---|
| Display type | Backlit LCD: 2 lines of 16 characters |
| Device mounting | Flush |
| Protection type | 3-pole breaker ANSI 50BF : breaker failure ANSI 59 : overvoltage ANSI 59N : neutral voltage displacement ANSI 27 : undervoltage protection |
| I/O channels | 2 discrete 4 current input CT...X/5 A and X/1 A 4 voltage |
| Relay application | Voltage control relay |
| 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 |
| Switchgear diagnosis type | Trip circuit supervision ANSI code: TCS |
| 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 |
| Communication port support | RS232 RS485 |
| Communication port protocol | DNP3 Modbus RTU |
| Network and machine diagnosis type | Fault recording Event recording Disturbance recording15 s |
MPN
REL29101