Description
Woodward MRN3-11D
Technical Specifications
- Series: MRN3.
- Variant: 11D.
- Functions: Overcurrent, Earth Fault, Thermal Overload.
- I/O: Multiple configurable digital inputs and relay outputs.
Functional Features
- Flexible Application: Configurable for various equipment types.
- Thermal Overload: Accurate thermal modeling for motor and transformer protection.
- Self-Monitoring: Continuous hardware and software self-diagnostics.
- Local Control: Pushbuttons for local trip, reset, and menu navigation.
Application Scenarios
Widely used in industrial switchgear, motor control centers (MCCs), and distribution panels.
Widely used in industrial switchgear, motor control centers (MCCs), and distribution panels.
Performance Parameters
- Operating Temperature: Wide industrial temperature range.
- Dielectric Strength: High isolation between inputs and outputs.
Material Composition
Flame-retardant plastic housing with metal shielding.
Flame-retardant plastic housing with metal shielding.
Structural Characteristics
- Display: Clear alphanumeric or graphical LCD.
- Terminals: Plug-in or screw-type terminals.
Working Principle
Continuously monitors electrical parameters and executes user-programmable logic to protect connected equipment from electrical faults.
Continuously monitors electrical parameters and executes user-programmable logic to protect connected equipment from electrical faults.
Installation Requirements
Mount in a clean, dry control panel. Route power and signal cables separately to reduce noise.
Mount in a clean, dry control panel. Route power and signal cables separately to reduce noise.
Precautions for Use
Do not exceed the maximum continuous current rating of the relay inputs. Backup configuration before maintenance.
Do not exceed the maximum continuous current rating of the relay inputs. Backup configuration before maintenance.
