SIPROTEC 4 7SJ61 Multifunctional protection device with bay control option

Series : SIPROTEC 4
Manufacturer : Siemens
EAN Code (Barcode) : not indicated
Digital inputs (max) : 11
Relay outputs (max) : 8
CT inputs (max) : 4

Protection functions ANSI

[50/51] - Three-phase overcurrent

[50N/51N] - Overcurrent protection for LP current

[50Ns] - Sensitive current earth fault protection

[87N] - Differential protection, high impedance against earth fault

[50BF] - ROV

[79] - AR

[46] - MTZOP

[49RMS] - Thermal Protection

[48] ​​- Delayed Start / Locked Rotor

[14] - Underspeed Protections

[37] - Phase undercurrent protection

[66] - Motor Start Limit

[74TCS] - Trip Circuit Supervision