Description

GE Multilin T60N00HUHF8LH6TM8NP6CU6CWXX Transformer Protection Relay

Configured for transformer differential protection and substation automation in GE UR (Universal Relay) platforms, the GE Multilin T60N00HUHF8LH6TM8NP6CU6CWXX (T60 Transformer Protection Relay) provides direct physical and electrical execution for transformer fault detection, control, and monitoring functions.

Hardware Specifications

Parameter	Specification
Model	T60N00HUHF8LH6TM8NP6CU6CWXX
Brand	GE Multilin
Origin	GE UR (Universal Relay) Series
Operating Temp	-40 deg C to +60 deg C
Power Consumption	Not specified in provided data
Protection Function	Transformer differential protection, overcurrent protection, thermal overload, overexcitation protection
CPU Module	N00 Standard CPU/Processor Module
Power Supply	88-300 VDC / 88-264 VAC high range power supply
CT Inputs	1 A or 5 A secondary current inputs
VT Inputs	Configurable voltage inputs up to 240 V AC nominal
Digital Inputs	Opto-isolated configurable inputs
Relay Outputs	Form-C heavy-duty output contacts
Communication Interfaces	Dual 100Base-FX fiber optic / 10/100Base-T Ethernet, RS485, RS232
Communication Protocols	IEC 61850 Edition 1 and Edition 2, DNP 3.0, Modbus RTU, Modbus TCP, IEC 60870-5-104
Time Synchronization	IRIG-B, IEEE 1588 PTP, SNTP/NTP

GE UR Series Industrial Control and Communication Features

The T60N00HUHF8LH6TM8NP6CU6CWXX uses the GE UR (Universal Relay) platform architecture with configurable I/O modules, Ethernet communication interfaces, and firmware-based protection logic. The relay supports deterministic substation communication through IEC 61850 networks and provides data exchange through fiber optic and copper Ethernet interfaces.

The modular design allows I/O density scaling through configurable CT, VT, digital input, and relay output modules. Firmware flash compatibility enables controlled software maintenance procedures while retaining configured protection and communication parameters.

The relay incorporates transformer protection algorithms including 87T differential protection with dual-slope restraint characteristics, harmonic restraint for magnetizing inrush conditions, thermal overload modeling based on IEEE C57.91 requirements, and V/Hz overexcitation protection.

Frequently Asked Questions (FAQ)

Q: Does the T60 support direct transformer differential protection inputs?
A: Yes. The T60 supports CT input modules configured for transformer differential applications, including high-current CT input configurations and multi-winding differential protection logic.

Q: What communication interfaces are available for substation integration?
A: The relay supports dual Ethernet communication using 100Base-FX fiber optic and 10/100Base-T copper interfaces, along with serial communication through RS485 and RS232 ports.

Q: Can the relay operate with different auxiliary power sources?
A: Yes. The specified high range power supply accepts 88-300 VDC and 88-264 VAC auxiliary power inputs.

Field Installation Guidelines

Install the relay in a protected control cabinet or relay panel using the specified rack mounting arrangement. Maintain separation between CT/VT wiring, communication cables, and high-energy switching conductors to reduce electromagnetic interference.

Connect CT secondary circuits using proper terminal practices and maintain correct polarity for differential protection applications. Apply shielded communication cabling where required and terminate cable shields according to the substation grounding design.

Verify auxiliary power polarity, protective earth bonding, and module seating before energizing the unit. Confirm communication settings, time synchronization sources, and protection configuration parameters during commissioning.

Specifications

• Brand: General Electric

Advantages

• High reliability in industrial environments
• Supports continuous operation
• Compatible with major PLC/DCS systems