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Honeywell
SKU:
SKU-1679
Honeywell TK-MUX021 Serial Interface Module (Part No: 51403421-275, Rev G) – Industrial DCS Systems Control Card
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USED
Specification Details
Manufacturer: Honeywell
Model Number: TK-MUX021
Part Number: 51403421-275
Hardware Revision: Rev G
Firmware Revision: F.W. REV. E
Voltage & Current Ratings:
5.6mA @ 1.2VDC
1.0A @ 3.3VDC
1.3A @ 5.1VDC
4mA @ 24VDC
Certifications & Compliance: UL Listed (Industrial Control Equipment), CE Certified, CSA Approved, FM Approved (Class I, Div 2, Groups A, B, C, D; Temp Code T4A).
Country of Origin: Made in USA
Condition: Used Excellent Working (As Per Photos)
Shipping: Fast & Safe Worldwide Shipping Available.
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The Honeywell TK-MUX021 (Part Number 51403421-275) is a high-performance Serial Interface Module designed for integration into Honeywell industrial automation and Distributed Control Systems (DCS). Operating under revision framework G, this communications module provides a critical data link layer between primary controllers and peripheral serial-based machinery.
Built to withstand demanding industrial environments, it features robust electronics that operate flawlessly across multiple voltage channels. It incorporates complete multi-agency compliance certificates including UL, CE, FM, and CSA markings, making it inherently safe for installation in Class I, Div 2 hazardous process plants (Temperature Code T4A). Whether you are maintaining a legacy architecture or securing critical plant operations, this genuine Honeywell module delivers the predictable performance required to reduce downtime.
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