Technical Specifications
Product Type: Protection Relay
Relay Application: Universal
Reference / Model: REL52056
Mounting Size: 30TE, flush mounting
Power Supply: 48–230 V AC/DC
Measuring Inputs: 3 CT phase current, 1 CT residual current, 4 VT 100/110 V
Digital Inputs (DI): 16
Digital Outputs (DO): 8
Communication Ports: 2 rear RJ45, 1 front USB
Communication Protocols: IEC 61850 ed.1 & 2, IEC 60870‑5‑101, DNP3 TCP, Modbus TCP, EtherNet/IP
Protection Functions: Phase overcurrent, overload, earth fault, breaker failure, broken conductor detection, inrush protection, automatic recloser, switch‑ON to fault (SOTF), etc.
Dimensions: Height 169.5 mm, Width 170 mm, Depth 205 mm
Net Weight: 2.5 kg
Front Protection Degree: IP54
Conformal coating available (NEW)
Pluggable current and voltage terminals
Binary input thresholds settable using DIGSI (3 stages)
Secondary current transformer values (1 A / 5 A) settable using DIGSI
9 programmable function keys
6-line display
Buffer battery exchangeable from the front
USB front port
2 additional communication ports
Integrated switch for low-cost and redundant optical Ethernet rings
Ethernet redundancy protocols RSTP, PRP, and HSR for highest availability
Relay-to-relay communication through Ethernet with IEC 61850 GOOSE
Millisecond-accurate time synchronization through Ethernet with SNTP
Number of binary inputs and binary outputs by a connection from up to two SICAM I/O-Units extendable.
Protection Functions:
Overcurrent protection (50, 50N, 51, 51N)
Directional time-overcurrent protection (67, 67N)
Sensitive dir. ground-fault detection (67Ns)
High-impedance restricted ground fault (87N)
Undercurrent monitoring (37)
Overload protection (49)
Under-/overvoltage protection (27/59)
Frequency protection (81O/U)
Breaker failure protection (50BF)
Negative-sequence protection (46)
Synch-check (25)
Auto-reclosure (79)
Fault locator (21FL)
Lockout (86)
Control Functions/Programmable Logic:
Commands for control of CB, disconnect switches (isolators/isolating switches)
Control through a keyboard, binary inputs, DIGSI 4, or SCADA system
User-defined PLC logic with CFC (e.g. interlocking)
Monitoring Functions:
Operational measured values V, I, f
Energy metering values Wp, Wq
Circuit-breaker wear monitoring
Minimum and maximum values
Trip circuit supervision (74TC)
Fuse failure monitor
8 oscillographic fault records
Communication Interfaces:
System/service interface
IEC 61850 Edition 1 and 2
IEC 60870-5-103 and IEC 60870-5-104
PROFIBUS-DP
DNP 3.0
MODBUS RTU
DNP3 TCP
PROFINET
Ethernet redundancy protocols RSTP, PRP, and HSR
Hardware:
4 current transformers
0/3 voltage transformers
3/7 binary inputs (thresholds
–
Range of product: MiCOM P63x
Device short name: P633
Relay application: Transformer
Protection type: Breaker failure, ANSI 50G/51G: earth fault, ANSI 46: negative sequence/unbalance, Restricted earth fault, ANSI 49RMS: thermal overload protection, ANSI 87T: two-winding transformer differential, ANSI 27: undervoltage, ANSI 59: overvoltage, ANSI 81L: underfrequency, Overfrequency
Number of inputs: 1 analog, 1 voltage, 1 temperature sensor, 40 discrete, 12 current input CT...X/5 A and X/1 A
Number of outputs: 2 analog, 30 discrete
Communication port protocol: Ethernet, DNP3, IEC 61850, IEC 60870-5-103, Modbus RTU
Auxiliary supply: 24...60 V DC, 19…72 V, 60...250 V DC, 48…300 V, 100...230 V AC
Network and machine diagnosis type: Fault recording, Event recording, Disturbance recording 16.4 s
Switchgear diagnosis type: CT/VT supervision
Environmental data: Packaging made with recycled cardboard - No
Power supply: 48–250 V DC / 100–230 V AC
Measuring inputs: 3 LPCT phase current inputs, 1 CSH neutral current input, 4 LPVT voltage inputs
Digital inputs / outputs: 22 DI / 14 DO
Arc flash protection: Integrated, up to 6 arc sensors
Communication protocols: IEC 61850 Ed.1 & Ed.2, Modbus TCP, DNP3 TCP, EtherNet/IP
Cybersecurity: IEC 62443-4-2 SL1 compliant
Mounting: Withdrawable, flush or rack mounting
Operating temperature: -40 to +65 °C
Protection degree: IP54 (front with flush mounting frame)
