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GE T60H00HCHF8HH6PM8HP6PUXXWXX

Product Name:​ GE Multilin T60 Transformer Protection Relay (UR Series)
Product Introduction:​ The T60 is a transformer protection system in GE’s Universal Relay (UR) family. The ordered model T60H00HCHF8HH6PM8HP6PUXXWXX is configured for transformer protection applications. It delivers high-speed differential protection with advanced fault detection and integrates overcurrent, overvoltage, and thermal protection functions to prevent transformer damage under abnormal conditions.
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Technical Specifications:
  • Manufacturer: GE Fanuc / GE Multilin
  • Product series: T60 Transformer Protection Relay, UR Series
  • Device type: Transformer protection system
  • Protection functions: Differential, overcurrent, overvoltage, thermal, earth-fault
  • Control functions: Tap-changer control, breaker control, programmable logic
  • Display: Graphical LCD with event and metering visualisation
  • User interface: Keypad with programmable function keys
  • Status indication: Multi-colour LEDs for alarms and operational status
  • Communication: IEC 61850, Modbus, DNP3 (configuration-dependent)
  • Event recording: Trip logs, oscillography, breaker operation records
  • Security: Password-protected access and role management
  • Mounting: Panel or rack-mounted installation
  • Operating temperature: 0 °C to 55 °C (typical)
  • Storage temperature: -25 °C to 70 °C
  • Relative humidity: 5% to 95%, non-condensing
  • Vibration & shock: IEC 60255 compliant
  • EMC compliance: IEC/EN 60255, CE certified
  • Power supply: AC or DC, internally powered from substation bus (configuration dependent)
  • Certifications: CE, UL listed
Functional Features:
  • High-speed differential protection with adaptive restraint for sensitive and secure transformer fault detection
  • Five distance zones, phase/neutral/ground overcurrent, under/overvoltage, under/overfrequency, over-fluxing, breaker-failure protection
  • IEC 61850 Ed.1 and Ed.2 certified implementations for seamless integration into modern substation automation networks
  • Cyber-security features including dual-privilege access control and user command logging
  • FlexLogic technology supporting up to 1024 lines of programmable logic
  • Self-test diagnostics and built-in diagnostic routines to enhance system reliability
Working Principle:​ The T60 continuously acquires current and voltage signals from the transformer’s CT/VT circuits, performs real-time differential and backup protection calculations via its internal processor, and issues trip or alarm commands upon fault detection. Event data, oscillography, and breaker operation records are logged for post-event analysis.
Application Scenarios:​ Power transformers in substations, industrial facilities, and generation plants — covering both power and distribution transformers, including oil-filled and dry-type units. Suitable for new installations and retrofit of legacy transformer systems.
Installation Requirements:
  • Install in a panel or rack-mount arrangement per GE Multilin UR mounting guidelines
  • Ensure control power is properly supplied (AC or DC per configuration)
  • Ethernet ports are individually disconnected before module removal; proper grounding of the relay chassis is required
Usage Precautions:
  • Review all WARNINGS and CAUTIONS in the instruction manual before installation or operation
  • Password-protected access levels must be configured to ensure secure operation and configuration control
  • Observe operating temperature and humidity limits to prevent equipment damage

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