251-1_ALSTOM_PRODUCT_吉林易择科技技术发展有限公司

251-1 - Overcurrent Protection Relay Compact digital relay for LV/MV systems, featuring: IDMT/instantaneous OC & earth fault protection 1A/5A CT inputs Modbus communication

400-887-3214

DESCRIBE

251-1 (AREVA/Alstom) Key Parameters:

Type: Overcurrent & Earth Fault Relay

Rated Current: 1A/5A (CT Secondary)

Voltage Supply: 24-250V AC/DC

Protection Functions:

IDMT/DT OC (50/51)

Earth Fault (50N/51N)

Outputs: 4x Relay (SPDT)

Comms: RS485 (Modbus)

Accuracy: ±2% (Current), ±0.5% (Time)

Standards: IEC 60255, ANSI C37.90

Temp Range: -25°C to +70°C

SERVICE HOTLINE 400-887-3214

Mail jilineasyyi@outlook.com ADDRESS Unit 12, 20th Floor, Good View Commercial Centre, 2-16 Garden Street, Mong Kok, Hong Kong

Q Q： 615739355