NTDI02

Product Overview

The ABB Symphony NTDI02 Digital I/O Termination Unit provides reliable signal integration for digital I/O applications, designed for field installation and optimized for performance.

Electrical Specifications

• Wire Size:

• Maximum: 12 AWG

• Minimum: 22 AWG

• Maximum Voltage: 250 Vac

• Maximum Current: 3 A

• Measurement Category:

• I for circuits > 150 V

• II for circuits < 150 V

Environmental Conditions

• Ambient Temperature: 0°C to 70°C (32°F to 158°F)

• Relative Humidity: 5% to 95% up to 55°C (131°F), non-condensing

• Altitude: Sea level to 3 km (1.86 mi)

• Air Quality: Non-corrosive

• Cooling: No cooling required when used within ABB cabinets

Certification & Approval

• Certifications:

• Canadian Standards Association (CSA)

• Factory Mutual (FM) (pending)

• Approval Pending:

• Class I, Division 2, Groups A, B, C, D (hazardous location)

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