Brand New Honeywell 51304439-125 Compression Terminal FTA
Manufacturer: Honeywell
-
Part Number: MU-TDIA12 51304439-125
Condition：New with Original Package
Product Type: Digital Output Modules
-
Country of Origin: USA
Payment:T/T, Western Union
Shipping port: Xiamen
Warranty: 12 months
Product Overview
The Honeywell MU-TDIA12 (Part Number 51304439-125) functions as a high-integrity Field Termination Assembly (FTA) for discrete digital inputs. It serves as the physical and electrical interface between field-side 120 Vac switches, sensors, or contacts and the Honeywell control system. We supply this unit as 100% brand new and factory-original, ensuring seamless data acquisition for your distributed control system (DCS). The module utilizes compression terminals for secure, vibration-resistant wiring, making it the preferred choice for capturing critical "ON/OFF" status signals in high-voltage industrial control environments.
Technical Specifications
The MU-TDIA12 manages high-voltage discrete signals with complete galvanic isolation:
| Feature | Specification Details |
| Model Number | MU-TDIA12 |
| Part Number | 51304439-125 |
| Manufacturer | Honeywell (USA) |
| Input Channels | 16 Isolated Digital Input Channels |
| Input Voltage | 120 Vac Nominal |
| Sensing Logic | Discrete ON/OFF (Dry Contact or Voltage) |
| Termination Type | Compression Terminals (Screw-type) |
| Isolation | Channel-to-Channel & Channel-to-System |
| Operating Temp | -40 °C to +70 °C |
| Dimensions | 152 × 121 × 25 mm |
| Condition | 100% Brand New Original |
Engineering Advantages
-
Superior High-Voltage Signal Handling: Specifically designed for 120 Vac circuits, the MU-TDIA12 eliminates the need for interposing relays when monitoring standard industrial mains-voltage field devices. This direct interface reduces cabinet complexity and potential points of failure.
-
Galvanic Fault Isolation: The module features comprehensive channel-to-channel and channel-to-system isolation. This architecture prevents a localized electrical surge or ground fault on one field switch from damaging the central controller or affecting adjacent input signals.
-
Vibration-Resistant Compression Terminals: The integrated compression screw terminals provide high-pressure contact for field wiring. This design solves the industrial pain point of "loose wire" signal drops in environments subject to constant mechanical vibration, such as turbine halls or pumping stations.
-
Rapid Diagnostic Integration: The MU-TDIA12 integrates natively with Honeywell Experion and TDC platforms. This allows the control system to distinguish between a "logic off" state and a disconnected field circuit, enhancing the reliability of safety interlocks and alarm monitoring.
FAQs
-
What is the difference between the MU-TDIA12 and the MU-TDIA11?
The MU-TDIA12 (51304439-125) features compression-style screw terminals for field wiring, whereas the MU-TDIA11 typically utilizes different terminal blocks (such as marshaled or ribbon cable connectors). Electrically, the MU-TDIA12 is optimized for 120 Vac isolated sensing.
-
Can I use this module with 24 Vdc signals?
The MU-TDIA12 is hardware-optimized for 120 Vac sensing logic. For standard 24 Vdc discrete inputs, we recommend utilizing the low-voltage Honeywell DI modules (such as the MU-TDID12) to ensure correct logic threshold detection.
-
Does this unit come with a warranty?
Yes. We provide a full 12-month warranty on this 100% brand new Honeywell module, covering any hardware defects under normal operating conditions.