ABB NTU-7C9 Termination Unit

The ABB NTU-7C9 is a termination unit built for ABB’s Bailey and INFI-90 Distributed Control Systems (DCS). It delivers modular signal conditioning and reliable termination. As a result, it maintains strong signal integrity in critical industrial automation setups. Moreover, its rugged design and wide operating range make it ideal for harsh industrial environments.

Technical Specifications

Supported Signal Types

• Analog Input: 4–20 mA, 0–10 V DC
• Analog Output: 4–20 mA
• Digital I/O: 24 V DC dry/wet contacts

Power Requirements

• Voltage: 24 V DC ±10%
• Power Consumption: ≤10 W

Environmental Ratings

• Operating Temperature: -20°C to +70°C (-4°F to +158°F)
• Storage Temperature: -40°C to +85°C (-40°F to +185°F)
• Humidity: 5–95% RH (non-condensing)

Mechanical Specifications

• Dimensions: 7.0 in x 3.0 in x 7.0 in (17.8 cm x 7.6 cm x 17.8 cm)
• Weight: 2.0 lbs (0.9 kg)