WhatsApp: +86 16626708626
Email: 
Phone: +86 16626708626Description
Key Technical Specifications
| Parameter | Value |
|---|---|
| Catalog Number | 269PLUS (variants: 269PLUS-100P-HI, 269PLUS-D/O-xxx-100P-120, etc.) |
| Product Family | GE Multilin 269 Plus Motor Management Relay |
| Application | 3-phase AC motor protection and management (pumps, fans, compressors, mills, conveyors) |
| Protection Functions | Thermal overload; phase overcurrent; ground fault; negative sequence (unbalance); short circuit; stall/jam; start inhibit; differential (optional); RTD overtemperature; bearing temperature; start security (acceleration timeout, starts/hour) |
| CT Inputs | 3-phase CTs (motor rated); ground CT (optional); differential CTs (optional) |
| RTD Inputs | Up to 10 × 100 Ω Pt100 (3-wire); programmable for stator, bearing, ambient |
| Digital Inputs | 5 × dry contact / logic-level inputs (configurable) |
| Relay Outputs | Programmable trip, alarm, and auxiliary relays (form C contacts) |
| Control Power (HI) | 80–265 V AC, 50/60 Hz; 90–300 V DC |
| Control Power (LO) | 20–48 V AC; 20–60 V DC (depending on variant) |
| Power Consumption | ≤20 VA (max) |
| Communications | 1 × RS-485; Modbus RTU; optional Profibus-DP (variant dependent) |
| Front Interface | 48-character alphanumeric LCD; 12-key keypad for local setpoint and diagnostics |
| Software | EnerVista 269 / 269PC setup and monitoring software (Windows) |
| Mounting | Panel / rack mount (NEMA 12 / IP54 typical for enclosure) |
| Operating Temperature | −25 to +60 °C (−13 to +140 °F) |
| Storage Temperature | −40 to +70 °C (−40 to +158 °F) |
| Humidity | 5–95% non-condensing |
| Dimensions (W × H × D) | ~193 × 125 × 290 mm (7.6 × 4.9 × 11.4 in) (typical for 193 mm panel-width variant) |
| Weight | ~2.8 kg (6.2 lb) (varies by option code) |
| Certifications | UL, CE, CSA; IEC/EN compliance for industrial use |
Product Introduction
The GE Multilin 269PLUS is a digital motor management relay that provides integrated protection, condition monitoring, and control for 3-phase AC motors in industrial applications. It combines thermal, overcurrent, ground fault, unbalance, and RTD-based temperature protection with start security and differential options in a single panel-mount unit.
This relay is chosen for medium-sized AC motors in manufacturing, oil & gas, water/wastewater, and power plant auxiliaries where a single device must handle protection, thermal monitoring, and basic logic control. In field deployments, it’s commonly used in MCCs and switchgear for pumps, fans, compressors, conveyors, and mills.
269PLUS
269PLUS
Troubleshooting Quick Reference
| Symptom | Possible Cause | Relevance to this Part | Quick Check Method | Recommendation |
|---|---|---|---|---|
| No display, relay dead | Control power missing or wiring fault | ✅ High | Measure 80–265 V AC or 90–300 V DC at control terminals; check fuse | Fix control power and wiring before swapping relay |
| Trip relay operates unexpectedly | Setpoint too tight or CT/RTD wiring error | ✅ High | Review trip logs; verify CT ratios, polarity, and RTD wiring | Correct CT/RTD wiring; adjust setpoints per motor data |
| Ground fault trip on start | CT wiring error, ground fault sensitivity too high, or actual fault | ✅ High | Check ground CT polarity and routing; inspect motor/cable insulation | Correct CT wiring; verify ground fault setting; megger motor |
| RTD overtemperature trip | RTD open/short, wrong RTD type, or real overheating | ✅ High | Measure RTD resistance; verify 100 Ω Pt100 selection in settings | Repair RTD wiring; confirm RTD type; check cooling/load |
| Communications failing (Modbus) | Node address/baud mismatch or RS-485 wiring fault | ✅ High | Verify Modbus address, baud rate, parity; check A/B wiring and termination | Correct Modbus config; fix RS-485 wiring and termination |
| Relay fails to reset after trip | Latching output or permissive not satisfied | ✅ Medium | Check output configuration and external reset/permissive logic | Adjust output latching; verify reset circuit and conditions |
If you’re stuck, send photos of the relay (including nameplate/order code), a screenshot of the event log and setpoints, and your single-line diagram. We’ll review it before you swap the relay.
Frequently Asked Questions (FAQ)
Q: Is the 269PLUS hot-swappable in an MCC?
A: No. The 269PLUS must be removed and installed with control power OFF and the motor isolated. Hot-swapping can cause unintended trips or damage to CT/RTD circuits.
Q: What’s the difference between 269 and 269PLUS?
A: 269 is the original motor management relay; 269PLUS adds features like differential protection option, expanded RTD handling, start inhibit, single-shot emergency restart, and enhanced communications. Order codes reflect these options.
Q: Can I use the 269PLUS on low-voltage and medium-voltage motors?
A: Yes. The 269PLUS is designed for both low-voltage and medium-voltage 3-phase AC motors. CT ratios and protection settings are scaled to the motor’s rated current and voltage class.
Q: What software do I need to configure the 269PLUS?
A: GE Multilin EnerVista 269 / 269PC software is used to configure setpoints, view event logs, and monitor real-time values. Local configuration is also possible via the front LCD and keypad.
Q: What condition are these relays in, and why is pricing lower than factory?
A: We sell New Original (New Surplus) and Refurbished (tested) units. Pricing is lower because these are surplus or professionally refurbished, and the 269PLUS is a mature product line. Each refurbished unit goes through protection and communication tests and comes with a 1-year warranty.
Q: Can I keep my existing settings when swapping a failed 269PLUS?
A: Yes, if you have a backup of the EnerVista 269 configuration file. Upload the settings to the replacement relay and verify CT ratios, RTD mapping, and output assignments.
Q: What is the recommended replacement for the 269PLUS in new builds?
A: GE Multilin often recommends migrating to the 469 or 489 motor management relays for new installations. Migration requires updating setpoints, CT/RTD mapping, and possibly wiring for additional I/O and communications.
