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The Honeywell 51304337-250 is the MC-TAIH52 High-Level Analog Input / Smart Transmitter Interface (HLAI/STI) Field Termination Assembly (FTA) for the Honeywell TDC 3000 / UCN distributed control system. It is a passive termination assembly providing field wiring interface for 16 high-level analog input channels using screw terminals, with redundancy support and conformal coating. This variant is not CE-compliant.
Item nº :
51304337-250Pedido (MOQ) :
1Pagamento :
EXWOrigem do produto :
USAPorto de embarque :
Wuhan, Hubei, ChinaTempo de espera :
3-5 daysPeso :
0.5KGProducts Description
Honeywell 51304337-250 MC-TAIH52 new and original in stock
| Model Number | 51304337-250 MC-TAIH52 |
| Place of Origin | USA |
| Dimension/Weight | 0.5 kg |
| Condition | new and original |
| Warranty | 1 year |
| Shipping term |
DHL Fedex TNT EMS UPS |
| Payment | TT / Western Union |
| Delivery Time | 3-5 days |
| Service |
24 Hours Online Service |
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Refining and petrochemicals — analog signal termination for pressure, temperature, and flow transmitters in process units.
Power generation — turbine monitoring and auxiliary system analog measurement loops.
Hazardous area installations — Class 1, Division 2 environments where the 145 Ω current limiting provides protection .
Legacy TDC 3000 / UCN maintenance — replacement and spare parts for existing installations.
Q1: What is the Honeywell 51304337-250 (MC-TAIH52) used for?
It is a 16-channel High-Level Analog Input / Smart Transmitter Interface Field Termination Assembly for Honeywell TDC 3000 / UCN DCS. It provides field wiring termination and routing for 4–20 mA analog signals in redundant I/O configurations .
Q2: How many channels does it have?
16 input channels .
Q3: Is the MC-TAIH52 an active module or a passive FTA?
It is a passive Field Termination Assembly. It terminates and routes field signals but does not perform analog-to-digital conversion or signal processing. Several third-party listings incorrectly describe it as an active module with A/D conversion and HART processing .
Q4: Does it support redundancy?
Yes. It is designed for redundant HLAI or STI configurations .
Q5: Is this FTA CE-compliant?
No. The 51304337-250 is not CE-compliant .
Q6: Is this FTA conformally coated?
Yes. The "-250" variant is conformally coated .
Q7: What is the current-limiting specification?
Each channel incorporates a 145 Ω non-fused current-limiting resistor for Class 1, Division 2 interfacing .
Q8: What is the mounting size and terminal type?
Size B — 12 inches (30.48 cm), with screw terminals .
Q9: What is the weight?
Approximately 0.5 kg .
Q10: Where can I get technical documentation?
Official Honeywell documentation, or an authorized distributor, is the authoritative source for specifications and compatibility. Note that third-party listings contain severely conflicting data.
| Model | Description | When to Choose |
|---|---|---|
| 51304337-250 (MC-TAIH52) | HLAI/STI FTA, 16-channel, screw terminals, conformally coated, non-CE | When conformal coating is required for harsh environments in TDC 3000 / UCN installations |
| 51304337-200 (MU-TAIH52) | HLAI/STI FTA, 16-channel, screw terminals, non-coated, non-CE | When conformal coating is not necessary |
| 51304337-150 (MC-TAIH12) | HLAI/STI FTA, 16-channel, compression terminals, conformally coated | When compression terminals are preferred over screw terminals |
| Compatible HLAI/STI IOPs | High-Level Analog Input or Smart Transmitter Interface IOPs | The required IOPs for use with the MC-TAIH52 (ordered separately) |
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