Description
GE 269-120N-120
Technical Specifications
- Control Voltage: 120VAC
- Current Rating: Extended range up to 120A (direct or via external CTs)
- Protection Functions: Full suite including thermal overload, phase loss, ground fault, stall, jam, and underload.
- Communication: Built-in Modbus RTU over RS-485.
Functional Features
- Advanced Diagnostics: Oscillography capture for fault analysis.
- Motor Start Monitoring: Dedicated start-inhibit and acceleration time monitoring.
- Flexible I/O: Configurable relay outputs and digital inputs.
- User-Friendly Interface: Intuitive menu structure for easy programming.
Application Scenarios
Critical process motors, large pumps, compressors, and applications requiring detailed motor performance data.
Performance Parameters
- Measurement Accuracy: ±1% for current and voltage metering.
- Thermal Capacity: Accurate thermal modeling for repeated starts.
- Relay Outputs: Multiple programmable Form C relay contacts.
Material Composition
High-quality industrial components with robust PCB design and protective enclosure.
Structural Characteristics
Slightly larger form factor than 269-100 series to accommodate higher current paths and additional I/O terminals.
Working Principle
Samples electrical parameters, applies thermal and protective algorithms, and controls output relays based on programmed logic and fault conditions.
Installation Requirements
Ensure proper CT sizing and wiring. Connect communication cables using shielded twisted pair. Provide adequate cooling.
Usage Precautions
Configure all protection settings before applying power. Verify relay output assignments match external wiring. Perform functional testing after installation.
