Honeywell 51304337-250 MC-TAIH52 HLAI/STI FTA, Conformally Coated, Screw Terminals

Products Description

Honeywell 51304337-250 MC-TAIH52 new and original in stock

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Applications

• 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.

FAQ

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.

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