Technical Specifications
Overcurrent and earth-fault protection
Suitable for systems with no auxiliary power or unreliable auxiliary supply
High operational suitability with low-energy trip coils
Built-in hand-reset electromechanical flag
Front USB powering removes need for internal battery and provides access to event/fault records when CT power is absent
Fast commissioning with selective test functions and test-trip capability
Event logs and disturbance records (Variant 3.0)
Full hardware and software self-supervision
Thermal overload, inrush detection, remote trip and measurement
Low-energy trip output and bi-stable outputs for CB tripping
USB port for powering up relay via laptop/PC/power bank when auxiliary supply and current inputs are absent (Variant 3.0)
Designed for RMUs and compact switchgear
Function: Merging unit for conventional CTs and VTs in process bus systems
Standards Compliance: IEC 61850-9-2LE certified
Inputs/Outputs:
12 configurable binary inputs
8 binary outputs
Operating Temperature Range: -40°C to +70°C
Time Synchronization: PPS, IRIG-B, GPS
Communication Protocols: IEC 61850-8-1 GOOSE, PRP, HSR (IEC 62439)
Integrated Features:
Web server for configuration and diagnostics
Full DIGSI 5 engineering support
Mixed process bus / non-process bus configuration possible
Benefits:
Simplified wiring and maintenance
Enhanced safety and reliability
Fiber-optic Ethernet for high performance
Standardized interoperability (IEC 61850-9-2)
Enables process bus benefits without changing primary equipment
Engine Brand: Perkins
Engine Model: 2206A-E13TAG2
Power: 409 hp (Prime), 469 hp (Standby)
Displacement: 12.5 L
Cylinders: 6 (Inline)
Aspiration: Turbocharged AAC
Cooling: Water-cooled
Governor: Electronic
Fuel Consumption: 37 L/h (50%), 54 L/h (75%), 80 L/h (100%)
Speed: 1500 rpm
Bore x Stroke: 130 x 157 mm
Compression Ratio: 16.3:1
Injection: Direct
Oil Capacity: 40 L
Fuel Tank Capacity: 970 L
Coolant Capacity: 51.4 L
Alternator Brand: Stamford
Alternator Model: HCI444E
Prime Power: 352 kVA
Standby Power: 387 kVA
Frequency: 50 Hz
Insulation: Class H
Protection: IP23
Efficiency: 93.2%
Power Factor: 0.8
Poles: 4
Bearings: 1
Output Voltage: 400/230 V
Dry Weight: 1478 kg
Protection Functions:
Overcurrent protection (definite-time, inverse-time, or user-defined)
Sensitive and intermittent earth-fault detection
High-impedance restricted earth fault
Inrush current detection
Motor protection (undercurrent, start supervision, restart inhibit, locked rotor, load jam)
Overload and temperature protection
Breaker failure protection
Negative-sequence protection
Auto-reclosure and lockout
Control/Logic:
Control of circuit breakers and isolators
Switch positions shown on graphic display
Control via keyboard, binary inputs, DIGSI 4, or SCADA
Custom logic via CFC programming
Monitoring Functions:
Operational measurements and breaker wear monitoring
Trip circuit supervision
Oscillographic fault recording (8 records)
Motor statistics and runtime metering
Communication Interfaces:
IEC 60870-5-103, IEC 61850, PROFIBUS-FMS/-DP, DNP 3.0, MODBUS RTU
Service and front interfaces for DIGSI 4
Time sync via IRIG-B / DCF77
Hardware:
4 current transformer inputs
3/8/11 binary inputs
4/8/6 output relays
Power supply: 48–250 V DC / 100–230 V AC
Measuring inputs: 3 phase CT, 1 neutral CT, 1 sensitive neutral CT, 4 VT
Digital I/O: 16 DI, 12 DO
Protection functions: Overcurrent, directional protection, earth fault, voltage & frequency protection, breaker failure, auto-reclose
Communication: Ethernet RSTP (2×RJ45), IEC 61850, Modbus TCP, DNP3
Cybersecurity: IEC 62443-4-2 SL1 certified
Mounting: Withdrawable, flush mounted
Protection degree: IP54
