P139-86904040-307-413-614-464-921_ALSTOM_PRODUCT_Easy Semiconductor Technology (Hong Kong) Limited 易擇半導體科技(香港)有限公司

The Alstom P139-86904040-307-413-614-464-921 is a multi-functional numerical protection relay specifically engineered for railway traction power and distribution systems. This high-performance unit combines advanced protection algorithms with railway-specific durability, ensuring reliable operation in demanding electrification environments.

400-887-3214

DESCRIBE

Key Features
1. Comprehensive Protection Functions

Overcurrent (directional/non-directional)

Earth fault protection (sensitive/residual)

Distance protection (impedance measurement)

DC traction system protection (1.5kV/3kV)

Thermal overload protection

2. Railway-Specific Enhancements

Full compliance with EN 50155 standards

-40°C to +70°C operating temperature

Special algorithms for traction harmonics

5kV surge protection on all I/O

3. Intelligent System Management

Real-time phasor measurement (PMU functionality)

128-cycle fault recording at 4kHz sampling

Energy metering (kWh, kVARh)

Predictive maintenance alerts

4. Advanced Communication

Dual Ethernet ports (IEC 61850 Ed.2)

RS485 with Modbus/DNP3.0

Optical USB for field configuration

GPS time synchronization input

Technical Specifications
Parameter Specification
Voltage Input 3x 120V AC/DC (range 20-300V)
Current Input 5A or 1A (software selectable)
Protection Speed <16ms for OC functions
Accuracy 0.5% for voltage/current
Communication 2x Ethernet, 2x RS485, USB
Power Supply 24/48/110/220V DC/AC
Dimensions 4U, 19" rack mountable

SERVICE HOTLINE 400-887-3214

Mail jilineasyyi@outlook.com ADDRESS Unit 12, 20th Floor, Good View Commercial Centre, 2-16 Garden Street, Mong Kok, Hong Kong

Q Q： 615739355

Easy Semiconductor Technology (Hong Kong) Limited 易擇半導體科技(香港)有限公司吉ICP备2024020526号-1