MC-GAIH92 | Honeywell 51304748-375 Galvanically Isolated High Level Analog Input FTA

Product Overview

The MC-GAIH92 is a galvanically isolated High Level Analog Input Field Termination Assembly designed for hazardous area applications. It provides 16 channels with crimp terminals and auxiliary current output capability.

Key Features

• 16 high-level analog input channels
• Galvanic isolation between field and system sides
• Crimp-type terminal connectors
• Auxiliary current output for external monitoring
• Suitable for hazardous area transmitter powering
• Conformal coated version available

Technical Specifications

• Part Numbers: 51304748-350 / 51304748-375
• Input Channels: 16
• Isolation: Galvanic isolation (safe to hazardous side)
• Terminal Type: Crimp
• Safety Parameters: 28 V maximum open-circuit, 300 Ω minimum source resistance, 93 mA maximum short-circuit current
• Auxiliary Output: Current output available
• Mounting: Compatible with standard FTA positions

FAQ

• What is the main advantage of this FTA? Galvanic isolation allows safe connection of transmitters located in hazardous areas.
• What terminal style does it use? Crimp-type terminals.
• Does it provide auxiliary signals? Yes, auxiliary current outputs are available for external receivers.

Installation Guide

1. Install the FTA in the designated marshalling location.
2. Connect Galvanic Isolation Modules as required for each channel.
3. Terminate field wiring using the crimp connectors.
4. Route the IOP interface cables and any auxiliary monitoring cables.
5. Verify isolation integrity and channel operation after power-up.

Selection Tips

• Select this model when galvanic isolation and hazardous-area transmitter powering are required.
• Confirm crimp terminal preference and auxiliary output needs.
• Verify compatibility with the associated high-level analog input processor and isolation modules.