Allen-Bradley 1791-TB2 Flex I/O Terminal Base Unit

Allen-Bradley 1794-TB2 Flex I/O Terminal Base Unit

Product Overview & Key Features

• Manufacturer & Model: This unit is manufactured by Allen-Bradley, with the part number 1794-TB2.
• Terminal Type: It features convenient cage clamp terminals for fast and secure wire connections.
• Mounting Options: You can easily mount the base on a DIN rail or a panel, offering installation flexibility.
• Certifications: The 1794-TB2 is UL listed and CSA certified for safety and quality assurance.
• Enclosure Type: It has an open-type enclosure for easy access to terminals and components.

Technical Specifications & Ratings

• Electrical Ratings: The unit supports a maximum voltage of 125V AC/DC and a current of 10 Amps.
• Terminal Configuration: It includes 1 row of 16 terminals, 1 row of 18 terminals, and 1 row of 2 terminals.
• Isolation Voltage: It provides 125V continuous isolation; channel-to-channel isolation depends on the I/O module used.
• Screw Torque: Use a torque of 0.56 to 0.79 N·m (5 to 7 lb·in) for terminal screws.
• Compatible Wire Size: It accepts 0.21 to 1.3 mm² (24 to 16 AWG) stranded copper wire.

Physical & Environmental Specifications

• Dimensions: The unit measures 3.7 x 2.7 x 3.7 inches (H x W x D) for a compact footprint.
• Operating Temperature: It functions reliably from 0 to 55°C in ambient conditions.
• Storage Temperature: You can safely store it from -40 to 85°C when not in use.
• Vibration Resistance: It withstands operating vibration of 5 g at 10–500 Hz.
• Shock Resistance: The base tolerates 30 g operating shock and 50 g non-operating shock.
• Weight: The unit is lightweight at only 0.50 lbs (0.23 kg).

Components & Installation Guide

• Key Components: The base includes a male and female Flexbus connector, cover plug, key switch, I/O terminal strips, and a module locking latch.
• Wiring Instructions: Use category 2 wires with 3/64-inch insulation for optimal compatibility and safety.
• Mounting Steps: Secure the base to a DIN rail or panel using the provided mounting holes and locking tab.
• Module Insertion: Align your Flex I/O module with the connectors and secure it using the locking latch.

Packaging & Shipping Information

• Packaging List: Your order includes one 1794-TB2 terminal base unit and any included documentation.
• Product Condition: We supply only brand new, original Allen-Bradley components.
• Shipping Carriers: We ship worldwide using reliable services like DHL, FedEx, and UPS.
• Processing Time: Orders are processed and dispatched within 5 business days.
• Return Policy: We offer a 30-day return policy for your complete satisfaction.

Frequently Asked Questions (FAQ)

• What is the Allen-Bradley 1794-TB2 used for?
  It is a terminal base unit that provides wiring connections for modules in the Flex I/O 1794 series.
• What type of terminals does this base unit have?
  It features cage clamp terminals for reliable, screwless wire connections.
• What is the maximum wire size it accepts?
  It accepts wires from 0.21 to 1.3 mm² (24 to 16 AWG).
• Can I mount this on a standard DIN rail?
  Yes, the 1794-TB2 is designed for easy mounting on a DIN rail or panel.
• What are the key electrical ratings?
  It is rated for 125V AC/DC maximum voltage and 10A maximum current.
• What is the isolation voltage?
  The base provides 125V continuous isolation; specific channel isolation depends on the I/O module inserted.
• Is this product certified for safety?
  Yes, it is fully UL listed and CSA certified.
• What is the condition of the product you sell?
  We supply only brand new, original, and unused Allen-Bradley products.
• How long does shipping take?
  We process orders within 5 business days and ship via express carriers like DHL, FedEx, or UPS.
• Do you accept returns?
  Yes, we offer a straightforward 30-day return policy for qualified purchases.

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