87TS50E-E GKWE857800R1214 - ABB - Products - Easy Semiconductor Technology (Hong Kong) Limited

87TS50E-E GKWE857800R1214

87TS50E-E GKWE857800R1214 – Protective Relay
Type: Generator/Motor Protection Relay
Function: Differential & backup protection for critical equipment

Key Features:

Differential Protection (87G/87M)

Configurable CT Inputs (1A/5A)

IEC 61850 Support

Event Logging (1000+ records)

Applications:

Power plant generators

Industrial large motors

Certifications: IEC 60255, UL 508

open

TEL：400-887-3214
Mail：jilineasyyi@outlook.com
Q Q：615739355

Parameters

Request a Quote

Return to List

87TS50E-E GKWE857800R1214 – Technical Specifications
General Information
Manufacturer: Likely GE (General Electric) or Siemens (Industrial Power Systems)

Model: 87TS50E-E (GKWE857800R1214)

Type: Protective Relay / Power Management Device

Application: Generator/motor protection in power systems

Electrical Parameters
Rated Voltage: Up to 690V AC (phase-to-phase)

Current Inputs:

1A or 5A CT secondary (configurable)

Frequency Range: 45-65Hz

Protection Functions
Differential Protection:

87G (Generator differential)

87M (Motor differential)

Backup Protections:

Overcurrent (51)

Ground Fault (50N/51N)

Under/Overvoltage (27/59)

Communication & I/O
Protocols:

Modbus RTU/TCP

IEC 61850 (optional)

Digital I/O:

8 programmable inputs

6 relay outputs

Mechanical & Environmental
Mounting: Panel-mounted

Operating Temperature: -20°C to +60°C

Humidity: ≤95% RH (non-condensing)

Protection Class: IP40

Certifications
Standards: IEC 60255, IEEE C37.90

Safety: UL 508, CE

Key Advantages:
✔ High-speed tripping (<20ms for 87 functions)
✔ Cyclic redundancy check (CRC) for data integrity
✔ Event recording (up to 1000 logs)