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1790-T8A0X 8-Channel AC Input Module Allen-Bradley

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About the Product

Allen-Bradley 1790-T8A0X DeviceNet Digital Input Module

Core Technical Specifications

  • Brand & Model: This is an original Allen-Bradley product, part number 1790-T8A0X.
  • Input Channels: The module has 8 non-isolated digital input points.
  • Input Voltage: It operates at a nominal 110V AC, with a functional range from 85V AC to 132V AC.
  • Current & Power: Each channel draws a maximum 9 mA on-state current. Total module power dissipation is 3 Watts maximum.
  • Response Time: Input signal delay is 10 ms (Off to On) and 30 ms (On to Off).
  • Isolation: It features photocoupler isolation rated at 1250V AC RMS between I/O and logic.

Electrical & Physical Details

  • Input Impedance: The typical input impedance is 18 kΩ.
  • Off-State Voltage: The maximum off-state voltage is 45V AC.
  • Enclosure Rating: The module has a NEMA Type 1 enclosure for basic protection.
  • Terminations: It uses fixed screw-type terminals (M3.0) with a maximum torque of 7 lb-in.
  • Fusing: A 1 Amp, 250V normal blow fuse is recommended for AC line protection.
  • Indicators: Eight green LEDs provide individual status for each input channel.

Frequently Asked Questions (FAQ)

  • Is the Allen-Bradley 1790-T8A0X module new and authentic?
    Yes, we supply only 100% new and original Allen-Bradley products.
  • What is the input voltage for this module?
    The 1790-T8A0X is designed for 120V AC systems, with a working range of 85V AC to 132V AC.
  • How many input points does it have?
    This module provides 8 discrete AC input points.
  • What network does it use?
    It communicates over a DeviceNet network for integration with PLC systems.
  • How fast do you ship, and what are the logistics options?
    We ship within 5 business days via major carriers like DHL, UPS, or FedEx.
  • Do you accept returns?
    We offer a straightforward 30-day return policy on qualified purchases.

For technical support or to order the 1790-T8A0X and other CompactBlock LDX products, contact our sales team.

© 2026 NexAuto Technology Limited. All rights reserved.
Original Source: https://www.nex-auto.com/
Contact: sales@nex-auto.com
Phone: +86 153 9242 9628

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