Emerson KJ3224X1-BA1 Thermocouple/mV Input Module

Description

This KJ3224X1-BA1 module supports 8 input channels for thermocouple or millivolt signals, making it ideal for applications requiring accurate temperature monitoring and control. It’s certified for Zone 2 hazardous areas, ensuring safe deployment in demanding process industries.

Specifications

• Model: KJ3224X1-BA1

• Input Type: Thermocouple and millivolt (mV) signals

• Channels: 8

• Power Supply: 12 VDC @ 210 mA (Local Bus Power)

• Operating Temperature: –40°C to +70°C

• Humidity: 5% to 95% non-condensing

• Shock Resistance: 10 g (½ sine wave, 11 ms)

• Vibration:

  • 1 mm peak-to-peak (2–13.2 Hz)

  • 0.7 g (13.2–150 Hz)

• Airborne Contaminants: ISA-S71.04 Class G3

• Terminal Block Key Position: C1

• Certifications: ATEX, IECEx, FM (Zone 2/Class I Div. 2)

• Installation Note: Cannot be inserted or removed under power in hazardous areas

• Calibration: Not required

• Weight: Approx. 450 g

Key Features

• High-accuracy thermocouple/mV input for critical temperature applications

• Hazardous area certified for global compliance

• Rotary keying system ensures correct terminal block pairing

• No calibration required, reducing maintenance overhead

• Robust environmental tolerance for harsh industrial settings

• Hot-swappable (in non-hazardous areas) for easy replacement