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1794-TB3

1794-TB3 Allen-Bradley Flex I/O Base 640mA 120VAC Screw Clamp

In stock (21 units), ready to be shipped

  • Manufacturer: Allen-Bradley

  • Product No.: 1794-TB3

  • Product Type: Terminal Base Unit

  • Product Origin: USA

  • Payment:T/T, Western Union

  • Weight: 400g

  • Shipping port: Xiamen

  • Warranty: 12 months

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Description

Allen-Bradley 1794-TB3 Flex I/O Terminal Base Unit

Product Overview

Allen-Bradley 1794-TB3 is a terminal base unit for the Flex I/O platform. Features 3 terminal strips with 52 total terminals. Screw clamp connection type. Rated 640 mA at 5 V DC backplane current with 10 A maximum current capacity. DIN rail mounted. Unit weight 0.4 kg.

Technical Specifications

Parameter Value
Manufacturer Rockwell Automation
Brand Allen-Bradley
Part Number 1794-TB3
Product Type Flex I/O Terminal Base Unit
Number of Terminal Strips 3
Number of Terminals 52
Terminal Rows 1 row 16 terminals + 1 row 18 terminals
Connection Type Screw clamp
Backplane Current Draw 640 mA at 5 V DC
Voltage Rating 24 V DC/AC, 120 V DC/AC (132 V AC max)
Supply Voltage Range 125 V DC/AC max, 50/60 Hz, 10 A
Maximum Current Capacity 10 A
I/O Terminal Current 2 A
Isolation Voltage 125 V continuous
Wire Size 0.34 to 3.3 mm²
Conductors 12 AWG max, 22 AWG min
Terminal Screw Torque 0.56 to 0.79 Nm
Dimensions (H x W x D) 94 x 94 x 69 mm
Operating Temperature -20°C to 70°C
Relative Humidity 5% to 95% non-condensing
Operating Shock 30 G
Vibration 5 G at 10 to 500 Hz
Weight 0.4 kg

Terminal Assignments

  • Terminals 0 to 15: I O connections (16 terminals)
  • Terminals 16 to 33: Voltage common connection (18 terminals)
  • Terminals 34 to 51: Voltage + connection (18 terminals)
  • Daisy chain supply in: C-34 (+) and B-16 (-)
  • Daisy chain supply out: C-51 (+) and B-33 (-)

Key Features

  • 3 terminal strips with 52 total terminals
  • 16 I O connections with 18 common and 18 voltage terminals
  • Daisy chaining supported for supply in and out
  • 125 V continuous isolation field wiring to FlexBus
  • 640 mA at 5 V DC FlexBus current draw
  • Supplies 2 A current to I O terminals
  • c-UL-us, UL, CSA and CE certified

Compatible Modules

1794-IA8, 1794-IA8I, 1794-IA16, 1794-OA8, 1794-OA8I, 1794-OA16, 1794-IB8, 1794-IB16XT, 1794-IB10XOB6, 1794-IB10XOB6XT, 1794-IC16, 1794-IG16, 1794-IH16, 1794-IV16, 1794-OB8, 1794-OB8EP, 1794-OB8EPXT, 1794-OB16, 1794-OB16D, 1794-OB16P, 1794-OB16PXT, 1794-OC16, 1794-OG16, 1794-OV16, 1794-OV16P, 1794-OW8, 1794-OW8XT

FAQs

Q1: How many terminals does 1794-TB3 provide?
A1: 52 terminals total. 16 I O connections plus 18 common and 18 voltage terminals.

Q2: What is the backplane current draw and maximum current capacity?
A2: 640 mA at 5 V DC backplane. 10 A maximum current capacity.

Q3: What is the unit weight and dimensions?
A3: 0.4 kg. Dimensions 94 x 94 x 69 mm.

Product Resources

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🏷️ Tags: Terminal Base Unit

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