Allen Bradley 1794-TB3 /A

Allen-Bradley 1794-TB3/A Terminal Base Unit

The Allen-Bradley 1794-TB3/A is a FLEX I/O Terminal Base Unit designed to provide a reliable connection point for field devices and power supplies within industrial automation systems. Its robust construction and versatile features make it an essential component for efficient system integration.

Key Features

• Terminal Configuration: Equipped with 16 I/O terminals, 18 common terminals, and 18 voltage terminals, facilitating comprehensive wiring options.
• Connection Type: Utilizes screw clamp terminals to ensure secure and stable connections.
• Voltage and Current Ratings: Supports a maximum supply voltage of 125V AC/DC at 50/60 Hz and a current capacity of up to 10 Amperes, accommodating various industrial applications.
• Isolation Voltage: Provides continuous isolation up to 125V, enhancing system safety and reliability.
• FlexBus Current Draw: Consumes 640 mA at 5V DC, ensuring efficient power usage within the system.

Technical Specifications

• Terminal Screw Torque: 0.56 to 0.79 Nm (5 to 7 lb-in), ensuring secure terminal connections.
• Wire Compatibility: Accommodates solid or stranded copper wires ranging from 22 AWG to 12 AWG, with a maximum insulation thickness of 1.2 mm (3/64 in.).
• Operating Temperature: Designed to function effectively within a temperature range of -20°C to 70°C (-4°F to 158°F), suitable for various industrial environments.
• Environmental Ratings: Rated for operating shock up to 30G and vibration up to 5G at frequencies from 10 to 500 Hz, ensuring durability under demanding conditions.
• Dimensions: Measures approximately 94 mm x 94 mm x 69 mm (3.7 in x 3.7 in x 2.7 in), allowing for compact installation.
• Weight: Weighs approximately 0.249 kg (0.55 lbs), facilitating easy handling and installation.

Compatibility

The 1794-TB3/A Terminal Base Unit is compatible with a wide range of FLEX I/O modules, including but not limited to:

• 1794-IA8
• 1794-OA8
• 1794-IB8
• 1794-OB8
• 1794-IA16
• 1794-OA16
• 1794-IB16
• 1794-OB16

This compatibility ensures seamless integration within existing FLEX I/O systems, providing flexibility and scalability for various industrial applications.

Certifications

The 1794-TB3/A Terminal Base Unit meets several industry standards and certifications, including:

• c-UL-us
• UL
• CSA
• CE

These certifications affirm the unit’s compliance with safety and performance standards, making it a reliable choice for industrial automation needs.

In summary, the Allen-Bradley 1794-TB3/A Terminal Base Unit offers a robust and versatile solution for connecting field devices and power supplies within FLEX I/O systems. Its comprehensive features, compatibility with various modules, and adherence to industry standards make it an invaluable component in industrial automation setups.