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Description
Technical Specifications
| Parameter Name | Parameter Value |
|---|---|
| Product Model | GE 269P-D/O-241-100P-HI (also 269PLUS-D/O-241-100P-HI) |
| Manufacturer | GE Multilin (GE Vernova Grid Solutions) |
| Product Series | Multilin 269 Plus (269+) |
| Product Type | Microprocessor-based Motor Management Relay |
| Control Power | 80-265 VAC / 90-300 VDC, Wide-range Auto-sensing (241 suffix) |
| Current Input | 100P (100A full-scale range via external CT configuration) |
| Output Contacts | D/O: 2x SPDT Form C Relays, 10A @ 240VAC |
| RTD Inputs | Up to 6 stator RTDs + 2 additional RTDs (bearing/ambient) – Pt100, 100Ω |
| Communication | RS485 Serial Port with Modbus RTU Protocol |
| Display | 48-character Alphanumeric Backlit LCD / LED Display |
| Keypad | 12-position Programming Keypad with Built-in HELP Function |
| Protection Functions | Overload (I²t), Short Circuit, Ground Fault, Phase Loss/Unbalance, Undercurrent, Stall, RTD Overtemperature |
| Overload Curves | 8 Standard IEC/IEEE Curves + FlexCurve™ Custom User-Defined Curve |
| Safety Rating | HI (High Integrity) – SIL2 Capable |
| Analog Output | 4-20 mA (selectable for motor current/thermal capacity/RTD temperature) |
| Operating Temperature | -25°C to +60°C |
| Storage Temperature | -40°C to +85°C |
| Humidity | 0-95% Non-condensing |
| Dimensions | Approx. 3.5 cm × 13 cm × 13.5 cm |
| Weight | Approx. 0.3 kg |
| Mounting Type | Panel Mount (Four 10-32 × 3/8 screws with washers) |
| Certifications | UL Listed, CSA Approved, CE Certified, IEC 60255 |
| Configuration Principle | One GE 269P-D/O-241-100P-HI per motor |
Main Features and Advantages
Advanced thermal modeling with RTD integration: The GE 269P-D/O-241-100P-HI employs a sophisticated thermal model that uses motor phase current readings combined with stator RTD temperature readings to accurately calculate motor heating . Unlike conventional overload relays that rely solely on current, the GE 269P-D/O-241-100P-HI accounts for the heating effects of negative-sequence currents in the rotor and calculates motor cooling times, providing more precise thermal protection . The relay’s ability to “learn” individual motor parameters—including inrush current, negative-sequence K factor, cooldown rates, and acceleration time—enables the GE 269P-D/O-241-100P-HI to adapt continuously to each specific application, optimizing both protection and motor availability . With support for up to 10 RTD inputs (six for stator windings, two for bearings, and additional for ambient/load temperature), the GE 269P-D/O-241-100P-HI offers comprehensive temperature monitoring that standard overload relays cannot match .
High-integrity safety logic and robust protection: The “HI” designation of the GE 269P-D/O-241-100P-HI signifies a high-integrity design incorporating redundant processing and fail-safe logic suitable for SIL2 (Safety Integrity Level 2) applications . This ensures that the GE 269P-D/O-241-100P-HI will fail in a safe state (trip) rather than failing dangerously, which is critical for preventing catastrophic equipment damage or safety incidents in oil and gas, chemical, and mining applications . The GE 269P-D/O-241-100P-HI provides a comprehensive protection matrix including overload with eight standard curves plus user-defined FlexCurve™, short circuit, mechanical jam, locked rotor, ground fault, undercurrent for load-loss detection, phase unbalance, single-phasing, phase reversal, and RTD overtemperature protection for both stator windings and bearings .
Integrated communication and flexible programming: The GE 269P-D/O-241-100P-HI transforms a simple motor starter into an intelligent node in a DCS or SCADA system through its RS485 Modbus RTU interface . This enables real-time reporting of motor current, power, temperature, and event logs without additional I/O hardware . The GE 269P-D/O-241-100P-HI features a 48-character backlit alphanumeric display and a 12-position keypad with built-in HELP function, allowing field engineers to program setpoints, monitor actual values, and review motor statistical records including running hours, total starts, and trip history directly from the front panel . The 4-20 mA analog output of the GE 269P-D/O-241-100P-HI can be configured to transmit motor current, thermal capacity, or RTD temperature to remote monitoring systems, providing flexibility for integration with existing plant instrumentation .
Self-learning capability and statistical record-keeping: A distinctive feature of the GE 269P-D/O-241-100P-HI is its ability to adapt to each application by “learning” values for motor parameters, which are continually updated to improve protective capabilities . The GE 269P-D/O-241-100P-HI maintains complete statistical records including total running hours, total megawatt-hours, total motor starts, and total relay trips since last commissioning, which can be viewed directly on the display . This data enables predictive maintenance planning and helps operators identify developing issues before they cause unplanned downtime .
