Honeywell TK-MUX021 Interface Module

Description

The Honeywell TK-MUX021 is a compact and durable serial interface module designed for industrial control systems. It facilitates reliable RS485 communication between field devices and controllers, making it ideal for distributed control architectures such as Honeywell’s TDC3000 or Series C platforms.

Specifications

• Model: TK-MUX021

• Part Number: 51404391-375

• Function: Serial communication interface (RS485 protocol)

• Input Voltage: 24 VDC

• Current Consumption:

  • 5.6 mA @ 1.2 VDC

  • 1.0 A @ 3.3 VDC

  • 1.3 A @ 5.1 VDC

  • 4 mA @ 24 VDC

• Dimensions: 10.8 cm × 8.7 cm × 7.8 cm

• Weight: 2.0 lbs (approx. 0.91 kg)

• Operating Temperature: –40°C to +85°C

• Humidity Range: 5% to 95% RH (non-condensing)

• Mounting Options: Rack or panel mount

• Hazardous Location Rating:

  • Class I, Div. 2, Groups A–D

  • Temperature Code: T4A

• Warranty: 12 months (OEM standard)

Features

• Reliable RS485 Communication: Ensures stable data exchange in noisy industrial environments

• Wide Temperature Tolerance: Operates in extreme conditions from –40°C to +85°C

• Hazardous Area Certified: Suitable for Class I Div. 2 installations

• Compact & Versatile: Small footprint with flexible mounting options

• OEM Quality Assurance: Factory-sealed and compliant with global standards

• Low Power Consumption: Efficient operation across multiple voltage levels