The ALSTOM MVAJ23B1AB0757B is a numerical relay module used for protection and control in electrical power systems.

Product Name:

ALSTOM MVAJ23B1AB0757B

Product Description:

The ALSTOM MVAJ23B1AB0757B is a relay module designed for protection applications in medium voltage electrical systems. It provides reliable and precise protection functions to ensure the safety and stability of the power grid.

Product Parameters:

– Input Voltage: 24-250V DC
– Operating Temperature: -40°C to +70°C
– Communication Interfaces: RS-485, Ethernet

Specifications:

– Protection Functions: Overcurrent, Earth Fault, Short Circuit, Over-voltage
– Communication Protocols: IEC 61850, Modbus
– Mounting Type: DIN rail

Product Use:

The ALSTOM MVAJ23B1AB0757B module is used by utilities, industries, and infrastructure operators to protect electrical equipment and power systems from faults and abnormal operating conditions. It is commonly applied in medium voltage distribution and motor control centers to ensure reliable and safe operation of electrical networks.

Discrete input board: 8-channel, 24vdc, dry contact, terminal unit, item no. (deltav, deltav): ve4001s2t2b1 (kj3201x1-ba1 / -ba2, kj4001x1-ca1), rre4001s2t2b1 (rkj3201x1-ba1 / -ba2, rkj4001x1-ca1); Discrete input board: 8-channel, 24vdc, dry contact, terminal unit with fuse fillers, item no. (deltav, deltav): ve4001s2t2b2 (kj3201x1-ba1 / -ba2, kj4001x1-cb1), rre4001s2t2b2 (rkj3201x1-ba1 / -ba2, rkj4001x1-cb1); Discrete output board: 32-channel, potential contact 24vdc, group terminal unit (40-contact connector for remote terminal panel), item no. (deltav, deltav): ve4002s1t2b6 (kj3204x1-ba1 / -ba2, kj4001x1-ck1), rre4002s1t2b6 (rkj3204x1-ba1 / -ba2, rkj4001x1-ck1); Discrete output board: 32-channel, potential contact 24vdc, terminal unit, item no. (deltav, deltas): ve4002s1t2b5 (kj3204x1-ba1 / -ba2, kj4001x1-cj1), rre4002s1t2b5 (rkj3204x1-ba1 / -ba2, rkj4001x1-cj1); Discrete output board: 8-channel 115/230vac, insulated, terminal unit, item no. (deltav, deltav): ve4002s2t1b1 (kj4001x1-ca1, kj3209x1-ba1 / -ba2), rre4002s2t1b1 (rkj4001x1-ca1, rkj3209x1-ba1 / -ba2); Discrete output board: 8-channel 115/230vac, insulated, terminal unit with fuse fillers, item no. (deltav, deltas): ve4002s2t1b2 (kj4001x1-cb1, kj3209x1-ba1 / -ba2), rre4002s2t1b2 (rkj4001x1-cb1, rkj3209x1-ba1 / -ba2); Discrete output board: 8-channel 115/230vac, potential contact, terminal block, item no. (deltav, deltav): ve4002s2t2b1 (kj4001x1-ca1, kj3210x1-ba1 / -ba2), rre4002s2t2b1 (rkj4001x1-ca1, rkj3210x1-ba1 / -ba2); Discrete output board: 8-channel 115/230vac, potential contact, terminal block with fuse fillers, item no. (deltav, deltas): ve4002s2t2b2 (kj4001x1-cb1, kj3210x1-ba1 / -ba2), rre4002s2t2b2 (rkj4001x1-cb1, rkj3210x1-ba1 / -ba2);