

Honeywell MC-TAMT04 51305890-175 Low Level Input Multiplexer
The Honeywell MC-TAMT04-51305890-175 — a input multiplexer you want on your shelf before the old one fails. Part Number: 51305890-175 | Signal Type: Thermocouple, RTD, low-level analog inputs | Channels: 16 analog input channels. Physical stock. Ships within 24 hours with printed test report.
Understanding the Honeywell MC-TAMT04-51305890-175
If you maintain Honeywell systems, you know that not all replacement parts are created equal. The MC-TAMT04-51305890-175 is a input multiplexer engineered specifically for Honeywell automation platforms. The aftermarket is flooded with modules that look identical on the outside but use inferior components internally. model: MC-TAMT04; part number: 51305890-175; signal type: Thermocouple, RTD, low-level analog inputs; channels: 16 analog input channels. We have tested clone modules side-by-side with genuine Honeywell units — the clones typically fail within 3–6 months in continuous industrial service, sometimes taking out the backplane with them.
Every MC-TAMT04-51305890-175 we sell is 100% genuine Honeywell, with the manufacturer serial number and holographic label intact. We source from authorized distribution channels and decommissioned system tear-downs with full traceability documentation.
Before inserting this module, power down the chassis completely. Honeywell modules are generally not hot-swappable. Verify backplane voltage with a calibrated multimeter before insertion. After installation, power up and verify the status LED shows normal operation before returning the system to service. Run the manufacturer diagnostic routine if available.
Technical Specifications
| MC-TAMT04 (part number 51305890-175) | is a high-quality low-level analog multiplexer module engineered for precision signal routing in industrial control and monitoring systems. |
|---|---|
| Model | MC-TAMT04 |
| Part Number | 51305890-175 |
| Signal Type | Thermocouple, RTD, low-level analog inputs |
| Channels | 16 analog input channels |
| Output Range | 0–10 VDC |
| Resolution | 12-bit |
| Accuracy | ±0.1% FS |
| Repeatability | ±0.02% FS |
| Impedance | 100 Ω |
| Current Consumption | 100 mA |
| Power Supply | 24V DC |
| Weight | Approx. 0.85 kg |
| Origin | USA |
| Warranty | 1 year |
| Fault-Tolerant Assembly (FTA) | Ensures reliable signal acquisition even under adverse conditions |
| Thermocouple Multiplexing | Supports multiple TC inputs for efficient cabinet integration |
| Precision Output | 12-bit resolution with high repeatability for accurate control feedback |
| Compact Design | Saves space in high-density control environments |
| Industrial Reliability | Built for continuous operation in harsh process conditions |
| Flexible Integration | Compatible with Honeywell DCS and IPC systems |
| Manufacturer | Honeywell |
| Model / SKU | MC-TAMT04-51305890-175 |
✓ Ships within 24 hours | ✓ 12-Month Warranty | ✓ Worldwide Delivery
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