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
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Manufacturer: ABB
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Model Designation: TB846
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Order Number: 3BSE021439R1
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Product Type: Redundant ModuleBus Inlet
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System Series: S800 I/O
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Mounting Position: Left-hand side of the I/O cluster
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Inlet Quantity: 2 (Redundant Path Support)
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Maximum Rated Voltage: 50V DC
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Connection Interface: Specialized Bus Plug for S800 MTUs
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Weight: 0.12 kg
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Operating Temperature: +5 to +55°C
Features
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Redundant Path Integration: Provides dual cable entry points to support a fail-safe communication backbone for the I/O subsystem.
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Enhanced System Integrity: Minimizes the risk of total cluster isolation by allowing automatic switching between primary and secondary bus lines.
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Passive Hardware Design: Utilizes a highly reliable passive circuit to bridge signals, eliminating potential electronic failure points within the bus inlet.
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Snap-On Installation: Designed for easy integration onto standard 35mm DIN rails, locking securely to the adjacent Module Termination Unit (MTU).
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Industrial Durability: Built with high-grade materials to withstand the thermal and vibrational stresses common in heavy industrial control cabinets.
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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.
Tech & Buying Guide
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