GE Multilin 269 PLUS Modules

Technical Dossier

Product Details And Specifications

GE Multilin 269 PLUS Series: Comprehensive Module Range and Technical Overview

The GE Multilin 269 PLUS is a microprocessor-based motor management relay engineered for medium-voltage induction motor protection in heavy industrial environments. It is a standard-of-record in petrochemical refineries, offshore platforms, nuclear auxiliary systems, pulp and paper mills, and large-scale mining operations worldwide. The 269 PLUS replaced the earlier 269 series and established a benchmark for integrated motor protection, metering, and diagnostics within a single DIN-rail or panel-mount chassis. Its installed base spans hundreds of thousands of units globally, making long-term spare parts availability a critical operational concern for plant maintenance teams.

The Evolution of 269 PLUS Architecture

The GE Multilin 269 series originated in the late 1980s as one of the first commercially viable digital motor protection relays to replace electromechanical overload devices. The original 269 provided thermal overload, phase unbalance, and ground fault protection via a fixed-function firmware platform. The 269 PLUS generation introduced a modular I/O architecture, expanded communications (RS-485 Modbus RTU), and a configurable output relay matrix — a significant departure from the hardwired logic of its predecessor.

Key architectural milestones include the introduction of the D/O (Digital Output) variant, which expanded discrete output capacity for complex motor control schemes; the 216 VAC/VDC control voltage rating, which aligned the relay with North American and international switchgear standards; and the 100P current input range, which accommodated high-horsepower motor applications above 1,000 HP. The HI designation indicates a high-impedance ground fault input configuration, suited for high-resistance grounded (HRG) distribution systems common in petrochemical and offshore environments.

As of 2026, the 269 PLUS series is in the mature/end-of-life phase. GE Grid Solutions (now part of GE Vernova) has transitioned customers toward the 869 Motor Protection System and the 469 Motor Management Relay. However, the 269 PLUS remains in active service at thousands of facilities where full relay replacement is not economically or operationally feasible. DriveKNMS maintains a dedicated inventory and refurbishment program for this series to support lifecycle extension requirements.

269 PLUS Full Catalog & Functionalities (SKU List)

The following SKUs represent verified, commonly stocked configurations within the GE Multilin 269 PLUS product family. Units are classified by primary function and input/output configuration.

Motor Protection & Control Relays

• 269PLUS-D/O-216-100P-HI: Digital output, 216V control, 100:5 CT, high-impedance ground input
• 269PLUS-D/O-216-100P: Digital output, 216V control, 100:5 CT, standard ground fault input
• 269PLUS-D/O-120-100P: Digital output, 120VAC control voltage, 100:5 CT input range
• 269PLUS-D/O-120-50P: Digital output, 120VAC control, 50:5 CT, standard ground fault
• 269PLUS-D/O-120-50P-HI: Digital output, 120VAC control, 50:5 CT, high-impedance ground
• 269PLUS-D/O-24-100P: Digital output, 24VDC control voltage, 100:5 CT, industrial DC applications
• 269PLUS-D/O-24-50P: Digital output, 24VDC control, 50:5 CT, compact motor feeder protection
• 269PLUS-A/O-216-100P: Analog output variant, 216V control, 100:5 CT, 4–20 mA process interface
• 269PLUS-A/O-120-100P: Analog output, 120VAC control, 100:5 CT, DCS analog loop integration
• 269PLUS-A/O-120-50P: Analog output, 120VAC control, 50:5 CT, standard ground fault
• 269PLUS-D/O-216-50P: Digital output, 216V control, 50:5 CT, mid-range motor protection
• 269PLUS-D/O-216-50P-HI: Digital output, 216V control, 50:5 CT, high-impedance ground fault
• 269PLUS-D/O-48-100P: Digital output, 48VDC control, 100:5 CT, substation battery-backed systems
• 269PLUS-D/O-48-50P: Digital output, 48VDC control, 50:5 CT, telecom and utility auxiliary motors
• 269PLUS-A/O-216-50P-HI: Analog output, 216V control, 50:5 CT, high-impedance ground, DCS-ready
• 269PLUS-D/O-120-100P-HI: Digital output, 120VAC control, 100:5 CT, high-impedance ground input

Sourcing Hard-to-Find & Obsolete 269 PLUS Parts

With the 269 PLUS series in end-of-life status, OEM factory stock is no longer replenished. Plant operators and MRO procurement teams face extended lead times, minimum order quantity constraints, and counterfeit risk when sourcing through general distributors. DriveKNMS operates a dedicated lifecycle support program for the 269 PLUS series, maintaining verified surplus inventory sourced from decommissioned switchgear panels, controlled plant shutdowns, and authorized distributor liquidations.

All units are serialized, cross-referenced against GE Multilin firmware revision records, and stored in ESD-safe, climate-controlled facilities. DriveKNMS can supply the following for the 269 PLUS range: new-surplus units in original packaging, professionally refurbished units with full functional test certification, exchange programs for core-return credit, and emergency same-day dispatch for critical plant outage scenarios. Customers requiring long-term blanket purchase agreements for multi-year maintenance contracts are accommodated with dedicated stock reservation.

Quality Control for the 269 PLUS Range

The 269 PLUS relay integrates a multi-layer backplane connecting the power supply module, CPU board, I/O expansion board, and communications interface. Each of these subsystems requires independent verification before a unit is certified for shipment. DriveKNMS applies the following test protocol to all 269 PLUS units processed through its facility:

• Control voltage input verification at rated voltage (24VDC, 48VDC, 120VAC, or 216VAC depending on model) with ripple and transient tolerance testing
• CT input accuracy verification across the full 0–100% of rated current range using calibrated current injection equipment
• Ground fault input sensitivity test for both standard and HI (high-impedance) configurations, verified against GE Multilin factory sensitivity specifications
• Output relay contact resistance measurement and operate/release timing verification for all Form A, Form B, and Form C contacts
• RS-485 Modbus RTU communication loop test at 1,200, 9,600, and 19,200 baud rates
• Thermal memory register integrity check to confirm non-volatile data retention after power cycle
• Full functional simulation using a motor load profile to exercise all protection elements: thermal overload, phase unbalance, phase loss, ground fault, undercurrent, and jam/stall

Units that fail any single test point are quarantined, root-cause analyzed, and either repaired to specification or scrapped. No unit is shipped with a conditional pass.