TC-MUX021 Honeywell | 51404391-375 Communication Module
Manufacturer: Honeywell
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Part Number: TC-MUX021 51404391-375
Condition：New with Original Package
Product Type: Serial Interface Module
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Country of Origin: USA
Payment:T/T, Western Union
Shipping port: Xiamen
Warranty: 12 months
Honeywell TC-MUX021 | Serial Interface Module 51404391-375
Product Description
The Honeywell TC-MUX021 is a serial interface module designed for RS485-based communication in distributed control systems (DCS). It enables reliable data transmission between controllers and field devices such as sensors, actuators, and transmitters. Built with precision engineering, it ensures stable performance in chemical plants, oil & gas, and power generation environments.
This TC-MUX021 module supports standard serial protocols and provides strong signal integrity, even in electrically noisy industrial setups. With a compact 10.8 × 8.7 × 7.8 cm design and DIN rail or panel mounting, it integrates easily into various system architectures. The unit operates efficiently from –20°C to +60°C, maintaining durability and communication reliability across demanding applications.
Technical Specifications
| Specification | Details |
|---|---|
| Model Number | TC-MUX021 |
| Part Number | 51404391-375 |
| Product Type | Serial Interface Module |
| Function | RS485 communication interface for DCS and field devices |
| Communication Protocol | RS485 |
| Dimensions (L × W × H) | 10.8 cm × 8.7 cm × 7.8 cm |
| Weight | 2.0 lbs (≈ 0.9 kg) |
| Mounting Type | Panel or DIN rail mount |
| Operating Temperature | –20°C to +60°C |
| Certifications | CE, TUV, UL508, CSA |
| Condition | Brand new |
| Country of Origin | USA |
FAQ
Q1: What is the main purpose of the Honeywell TC-MUX021?
A1: The TC-MUX021 facilitates RS485 serial communication between DCS controllers and external field devices.
Q2: What are the module’s dimensions and weight?
A2: It measures 10.8 × 8.7 × 7.8 cm and weighs approximately 0.9 kg, allowing compact installation.
Q3: Can this module be mounted on a DIN rail?
A3: Yes, the TC-MUX021 supports both DIN rail and panel mounting for flexible system integration.
Q4: What environments can it operate in?
A4: It performs reliably in –20°C to +60°C, making it suitable for harsh industrial conditions.
Q5: How fast can you deliver the TC-MUX021?
A5: We have FTA stock available and usually ship via DHL or FedEx within 3–14 days, depending on order size.