Technical Specifications
Main Function: Differential Protection
Interoperability: SIPROTEC 5 and SIPROTEC 4 devices
Tripping: 1-pole and 3-pole, min. time 9 ms
Inputs / Outputs:
12 predefined standard variants
4/4 or 8/8 current / voltage transformers
5–31 binary inputs
8–46 binary outputs
Hardware Flexibility: Adjustable I/O structure within SIPROTEC 5 modular system
Housing Width: 1/3 × 19" to 2/1 × 19"
As Standard: Conformal coating
Applications:
Line protection for all voltage levels
1- and 3-pole tripping
Protection for overhead lines, cables, and breaker-and-a-half switchgear
Transformers and compensating coils in protection zone
Ground fault detection
Communication via fiber optic, two-wire, or network media
PMU functionality
Smooth interoperability between SIPROTEC 4 and 5
4 current transformer inputs
0 / 3 voltage transformer inputs
3 / 7 binary inputs (thresholds configurable via software)
5 / 8 binary outputs (2 changeover)
0 / 5 RTD (resistance temperature detector) inputs
1 life contact
Pluggable current and voltage terminals
Functions:
Definite and inverse time-overcurrent protection (phase/ground) (50, 50N, 51, 51N)
Directional time-overcurrent protection (ground) (67N)
Directional overcurrent protection (ground) (definite/inverse) (67Ns, 50Ns)
Displacement voltage, zero-sequence voltage (59N)
Trip-circuit supervision (74TC)
Undercurrent monitoring (37)
Temperature monitoring (38)
Thermal overload protection (49)
Load jam protection (51M)
Locked rotor protection (14)
Intermittent ground fault protection
Directional intermittent ground fault protection (67Ns)
Overcurrent protection, voltage-controlled (51V)
Restart inhibit (66/86)
Undervoltage/overvoltage protection (27/59)
Forward-power, reverse-power protection (32)
Power factor (55)
Overfrequency/underfrequency protection (81O/U)
Circuit-breaker failure protection (50BF)
Phase-balance current protection (negative-sequence protection) (46)
Unbalance-voltage protection and/or phase-sequence monitoring (47)
Start-time supervision (48)
Lockout (86)
Rate-of-frequency-change protection (81R)
Rate-of-voltage-change protection (27R/59R)
Applications:
Motor Protection: Designed for protecting induction-type asynchronous motors.
Transformer Protection: Offers backup protection for transformer differential protection, with effective inrush suppression.
Distribution Systems: Ideal for use in distribution systems and industrial environments, requiring minimal space.
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Current: 3A…105A
Main voltage: 208V…600V
Rated control supply voltage: 100…240V AC, 50/60 Hz
Frame sizes: A, B, C, D
Electrical sizes: 13
Communication protocols: Modbus RTU, Profibus, DeviceNet
Certifications: CE, cULus, CCC, EAC, ANCE, C-tick, KC
Inputs: 5xI, 4xV
Flexible settings for current and time grading
Protection Functions: Undercurrent (37), Broken Conductor (46BC), Negative Phase Sequence Overcurrent (46NPS), Thermal Overload (49), Overcurrent (50,51), Earth Fault (50G,50N,50SEF,51G,51N,51SEF), Directional Control (67), High Impedance REF (64H), Under/Over Voltage (27/59), Negative Phase Sequence Voltage (47), Voltage Controlled Overcurrent (51V), Neutral Voltage Displacement (59N), Under/Over Frequency (81)
Supervision Functions: CT Supervision (60CTS), Trip & Close Circuit Supervision (74T/CCS), VT Supervision (60VTS), Inrush Detector (81HBL2), Circuit Breaker Fail (50BF)
Control Functions: Auto Reclose (79)
Monitoring Functions: Primary/Secondary Current Phases & Earth, Line & Phase Voltages, Apparent Power & Power Factor, Real & Reactive Power, Wh & VArh Forward/Reverse, Historical Demand Records, PPS/NPS/ZPS Voltages & Currents
Suitable for utilities, industrial plants, and EPC projects in Mumbai
