Technical Specifications
Frame sizes: Size 1 (800A–2000A), Size 2 & 3 (retrofit from WL), Size up to 4000A for DC applications
Breaking capacity: 55kA–150kA
Based on WL series for proven reliability
Common accessories and communication protocols for integration with other Siemens products
Mechanical improvements for enhanced performance
Electrical enhancements including advanced electronics
Interfaces for flexible integration
Communication capability for digital energy systems
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
–
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
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
