Technical Specifications
Power supply: 24–48 V DC
Current inputs: 6 phase CT + residual CT (ring-lug)
Digital inputs / outputs: 6 DI / 9 DO
Communication ports: RS485, RJ45 (Ethernet), USB (front)
Protocols: IEC 61850 Ed.1/2, Modbus TCP/RTU, DNP3, IEC 60870-5-101/103
Protection functions: Generator differential, overcurrent, earth fault, loss of field, pole slip, over/under voltage & frequency, breaker failure (ANSI)
Mounting: Flush mounting (30TE)
Display: LCD 128×128 with single-line diagram / ANSI symbols
Operating temperature: -40 to +65 °C
Front protection degree: IP54
Application: Universal
Power supply: 48–230 V AC/DC
Current inputs: 3 CT + 1 residual CT
Voltage inputs: 4 VT (100/110 V)
Digital inputs: 16 DI
Digital outputs: 8 DO
Communication: 1 RJ45, 1 RS232, 1 USB
Protocols: IEC 60870-5-101, IEC 60870-5-103, DNP3, Modbus RTU, DeviceNet, SPAbus
Protection degree: IP54 (front)
Operating threshold: 24 V AC/DC
Display: LCD 128 x 64 pixels
Programmable stages: 8
Programmable curves: 8
Arc flash protection: No
Environmental: Operating temperature -40…65°C, relative humidity 0–95%
Optimized for pump & fan applications in water/wastewater & HVAC
Power range: 0.75 kW … 630 kW
Supports all supply voltages & global EMC standards
Motor cable length: up to 150 m with EMC compliance
Safety Integrated: STO (SIL3 certified)
Rugged design; optional drip-water protection; 3C3 environmental class
Cloud-ready via SIMATIC FDE, SIMATIC S7-1200/1500, or IOT2040
Special functions: deragging, pipe filling, cavitation detection, multipump, flying restart, bypass critical motor speeds, real-time clock
Suitable for Siemens synchronous-reluctance motors and all standard motors
Simple commissioning: IOP-2, Smart Access Module
HVAC & water application libraries included
Inputs/Outputs: 8–12 CT, up to 4 VT, up to 35 BI, and 16 BO
Communication: IEC 61850, IEC 60870-5-103, MODBUS RTU, DNP 3.0
Display: 128 × 128 LCD with graphical interface
Functions: Differential (87T), REF (87GH), Overcurrent (50/51), Earth Fault (50N/51N), Overvoltage (59), Undervoltage (27), Inrush (81HB2), Overfluxing (81HB5), Lockout (86)
Housing: Size 12, withdrawable design
Applications: Transformer, autotransformer, and reactor protection
