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ABB TB846 3BSE021439R1 S800 I/O Redundant ModuleBus Inlet ModuleABB TB846 3BSE021439R1 S800 I/O Redundant ModuleBus Inlet ModuleABB TB846 3BSE021439R1 S800 I/O Redundant ModuleBus Inlet Module
ABB TB846 3BSE021439R1 S800 I/O Redundant ModuleBus Inlet Module
ABB TB846 3BSE021439R1 S800 I/O Redundant ModuleBus Inlet Module
ABB TB846 3BSE021439R1 S800 I/O Redundant ModuleBus Inlet Module

ABB TB846 3BSE021439R1 S800 I/O Redundant ModuleBus Inlet Module


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PRODUCT SKU : TB846 3BSE021439R1

PRODUCT TYPE : Bus Extension Units

PRODUCT VENDOR : ABB


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

Product Details

Description

The ABB TB846 is a dual ModuleBus inlet for high-availability S800 I/O clusters, allowing redundant bus cables to connect to a single cluster. It ensures continuous communication with the AC 800M controller, keeping the cluster operational even if one cable fails, ideal for critical, fault-tolerant systems.

Specifications

  • Manufacturer: ABB

  • Model Designation: TB846

  • Order Number: 3BSE021439R1

  • Product Type: Redundant ModuleBus Inlet

  • System Series: S800 I/O

  • Mounting Position: Left-hand side of the I/O cluster

  • Inlet Quantity: 2 (Redundant Path Support)

  • Maximum Rated Voltage: 50V DC

  • Connection Interface: Specialized Bus Plug for S800 MTUs

  • Weight: 0.12 kg

  • Operating Temperature: +5 to +55°C

Features

  • Redundant Path Integration: Provides dual cable entry points to support a fail-safe communication backbone for the I/O subsystem.

  • Enhanced System Integrity: Minimizes the risk of total cluster isolation by allowing automatic switching between primary and secondary bus lines.

  • Passive Hardware Design: Utilizes a highly reliable passive circuit to bridge signals, eliminating potential electronic failure points within the bus inlet.

  • Snap-On Installation: Designed for easy integration onto standard 35mm DIN rails, locking securely to the adjacent Module Termination Unit (MTU).

  • Industrial Durability: Built with high-grade materials to withstand the thermal and vibrational stresses common in heavy industrial control cabinets.

  • Mechanical Security: Engineered with specific alignment guides to ensure precise electrical contact and prevent incorrect assembly.

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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