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

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

The Allen-Bradley 1794-TB2 provides a robust wiring interface for your Flex I/O system with reliable connection technology. This terminal base unit organizes field wiring efficiently with its organized terminal layout. 

Wire Compatibility

• Accepts standard 24 to 16 AWG stranded copper wire for flexibility
• Accommodates wires with 3/64-inch insulation thickness for proper fit
• Meets Category 2 installation requirements for industrial applications
• The 1794-TB2 ensures reliable connections across various wire types and sizes
• Clamp mechanism maintains consistent pressure for vibration resistance

Electrical Specifications

• High maximum current rating of 10 Amps per terminal
• Wide voltage range up to 125V AC/DC at 50/60Hz operation
• Safe isolation voltage of 125V continuous for circuit protection
• Multiple voltage ratings including 24V and 120V DC/AC systems
• Proper terminal screw torque of 0.56–0.79 Nm (5–7 lb-in) for secure connections
• All electrical ratings meet industrial standards for safety and reliability

Mechanical Specifications

• Compact dimensions of 94 x 94 x 69 mm (3.7 x 3.7 x 2.7 in)
• Flexible DIN rail or panel mounting options for installation versatility
• Sturdy construction withstands industrial environment challenges
• The base unit maintains structural integrity in demanding applications

Environmental Ratings

• Standard operating temperature from 0°C to 55°C for most environments
• Broad storage temperature from -40°C to 85°C for durability
• Robust vibration resistance of 5g at 10–500Hz for stability
• Strong shock tolerance of 30g operating and 50g non-operating
• The 1794-TB2 performs reliably in challenging industrial conditions

Frequently Asked Questions

• How many terminals does this base unit have? The 1794-TB2 provides thirty-six total terminals in three organized rows.
• What wire sizes does it accept? This base unit accepts 24 to 16 AWG stranded copper wire with 3/64-inch insulation.
• What is the current rating? Terminals handle up to 10 Amps maximum current with 125V AC/DC voltage.
• What mounting options are available? You can mount this unit on standard DIN rails or directly to panels.