Product Overview

The Honeywell MC-TDOR12 51309148-175 is a digital relay output board designed for dependable discrete control within distributed control system architectures. As part of the MU-T Series, this module provides electrically isolated relay outputs that allow safe and reliable switching of external loads in industrial automation environments.

Engineered for continuous-duty operation, the MC-TDOR12 supports stable relay actuation for field devices while maintaining system integrity. Its compact, board-level design enables efficient installation in control cabinets where space optimization and long-term reliability are required.

Key Technical Characteristics

• Model Number: MC-TDOR12 / 51309148-175

• Product Type: Digital Relay Output Board

• Series: MU-T Series

• Output Technology: Electromechanical relay outputs

• Function: Discrete relay-based signal switching

• Application System: Distributed Control System (DCS)

• Electrical Design: Channel isolation with protected relay contacts

• Installation: Rack or chassis-based I/O mounting

• Weight: Approx. 0.72 kg

• Dimensions: 12 × 5.2 × 30.7 cm

• Product Status: Active

• Country of Origin: USA

Industrial Applications

The Honeywell MC-TDOR12 digital relay output board is widely used in industrial control systems that require robust on/off control of motors, valves, contactors, alarms, and interlocking circuits. Typical applications include process automation, power generation, oil and gas facilities, chemical plants, and manufacturing lines.

Its relay-based outputs make it particularly suitable for interfacing with higher-load or electrically isolated field devices. The board integrates seamlessly with Honeywell DCS platforms, supporting both new installations and lifecycle maintenance of existing automation systems.