Here’s a detailed overview of the Allen-Bradley 1734-TB terminal base, part of the POINT I/O system:

 Module Overview

• Type: Terminal base with removable terminal block (RTB)
• Termination Style: Screw-clamp connections
• POINTBus Current (Max): 75 mA
• Power Dissipation:
  • 1.86 W @ 750  load
  • 2.15 W @ 0  load

 Physical Specs

• Dimensions: 56 × 12 × 75.5 mm (2.21 × 0.47 × 2.97 in)
• Weight: ~36.9 g (1.3 oz)
• Wire Size: 0.25–2.5 mm (23–13 AWG), solid or stranded copper
• Wire Type: Shielded
• Screw Torque: Up to 7 in-lbs

 Electrical Ratings

• Field Power Bus Voltage: Up to 240V AC
• Field Power Current: 10A max
• Isolation Voltage: 50V (tested at 1500V AC for 60s)
• Supply Voltage Range: 10–28.8V DC (with 5% ripple)

Installation & Use

• DIN Rail Mounting: Horizontal or vertical, no de-rating required
• Removable Terminal Block: Allows module replacement without rewiring
• Keyswitch Position: 4 (for module identification and locking)