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ABB DI821 3BSE008550R1 S800 I/O 8-Channel 230V AC Digital Input ModuleABB DI821 3BSE008550R1 S800 I/O 8-Channel 230V AC Digital Input ModuleABB DI821 3BSE008550R1 S800 I/O 8-Channel 230V AC Digital Input Module
ABB DI821 3BSE008550R1 S800 I/O 8-Channel 230V AC Digital Input Module
ABB DI821 3BSE008550R1 S800 I/O 8-Channel 230V AC Digital Input Module
ABB DI821 3BSE008550R1 S800 I/O 8-Channel 230V AC Digital Input Module

ABB DI821 3BSE008550R1 S800 I/O 8-Channel 230V AC Digital Input Module


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PRODUCT SKU : DI821 3BSE008550R1

PRODUCT TYPE : Digital Input Module

PRODUCT VENDOR : ABB


  • 100% Genuine Parts – Risk-Free 30-Day Returns
  • 1-Year Warranty & Expert Support for Every Order

Product Details

Description

The DI821 3BSE008550R1 is an 8-channel high-voltage input module with individual galvanic isolation for each channel, ensuring safety and signal integrity. It includes hardware filtering to reduce AC noise and contact chatter and supports hot-swapping via MTUs for minimal downtime in critical utility and manufacturing applications.

Specifications

  • Manufacturer: ABB

  • Country of Origin: Switzerland

  • Model Number: DI821 (3BSE008550R1)

  • Product Type: Digital Input Module

  • Number of Channels: 8 (Individually Isolated)

  • Rated Input Voltage: 230 V AC

  • Input Voltage Range: 164 to 264 V AC

  • Input Frequency: 47 to 63 Hz

  • Isolation: 2500 V galvanic isolation per channel

  • Power Supply: 24 V DC (via ModuleBus)

  • Weight: 0.35 kg

Features

  • Direct Mains Sensing: Eliminates the requirement for interposing relays by directly interfacing with 230V AC field circuits.

  • Individual Channel Isolation: Provides superior protection and noise immunity through independent galvanic isolation for every input path.

  • Enhanced System Safety: High dielectric strength between field and logic circuits ensures the protection of sensitive controller hardware.

  • Efficient Process Maintenance: Supports hot-swap functionality, enabling rapid module exchange without disrupting the operation of the remaining I/O station.

  • Industrial-Grade Filtering: Integrated AC filters ensure accurate state detection by neutralizing high-frequency interference and mechanical contact bounce.

  • Comprehensive Status Monitoring: An array of front-panel LEDs provides clear visual indication of individual channel logic states and module health.

Additional Information

  • 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
  • 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
  • 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
  • Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
  • Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
  • Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.




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