Description

Product Overview

The Woodward 8444-1092 Multifunction Relay from the MFR 300 series is a compact and intelligent transducer for monitoring single and three-phase electrical systems. It features true RMS voltage and current sensing, ensuring precise measurements even under harmonic distortion, transients, or electrical noise.

Key Features

• Model: 8444-1092

• Manufacturer: Woodward

• Series: MFR 300

• Voltage Inputs: 3 true RMS channels

• Current Inputs: 3 true RMS channels

• Accuracy:

  • Class 0.5 for voltage, frequency, current

  • Class 1 for power and energy

• Relay Outputs:

  • 4 configurable change-over relays

  • 1 “Ready for operation” relay

• Timers: Configurable delay (0.02–300.00 s)

• Counters:

  • 2 kWh (max 10¹² kWh)

  • 2 kvarh (max 10¹² kvarh)

• Communication: CANopen / Modbus RTU

• Configuration Interfaces: CAN bus, RS-485, USB/RS-232

• Relay Logic: Switchable and programmable

Technical Specifications

Specifications

• Dimensions: 146 mm × 128 mm × 50 mm
• Brand: Woodward

Advantages

• High reliability in industrial environments
• Supports continuous operation
• Compatible with major PLC/DCS systems