Product Details
Description
The TU839 3BSE046966R1 is a passive termination base for mounting S800 series modules on DIN rails. The "Extended" version features 26 terminals for more field wiring options. It routes field power and signals to the ModuleBus while maintaining signal integrity. The mechanical keying system ensures only compatible modules are installed, preventing electrical mismatches. Designed for industrial use, the TU839 supports hot-swapping of modules, allowing maintenance without disrupting control or disconnecting field cables.
Specifications
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Manufacturer: ABB
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Model Number: TU839 (3BSE046966R1)
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Product Type: Extended Module Termination Unit (MTU)
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Terminal Points: 26 Screw-clamp terminals
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Maximum Voltage: 50 V DC
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Current Rating: Up to 2 A per channel
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Mounting: 35mm DIN rail (Horizontal or Vertical)
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Connector Integrity: Vibration-proof screw terminals
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Internal Bus: ModuleBus interface support
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Environmental Rating: IP20
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Weight: 0.51 kg
Features
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Expanded Field Connectivity: Features 26 termination points to accommodate signal, power return, and shield connections directly on the base unit.
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ModuleBus Backplane: Provides a reliable electrical path for high-speed data transfer between the mounted I/O module and the controller.
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Integrated Safety Coding: Mechanical keying prevents the insertion of incorrectly rated modules, protecting the system against configuration errors.
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Live Maintenance Support: Fully supports hot-swapping, enabling the replacement of I/O modules while the station remains powered and operational.
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Noise Mitigation: Optimized grounding and shielding terminals help protect sensitive signals from high-frequency electromagnetic interference.
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Industrial Durability: Constructed with flame-retardant materials designed to withstand the thermal and mechanical stresses of process automation facilities.
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
Evolving SCADA System Architectures in Industrial Automation
A robust Supervisory Control and Data Acquisition (SCADA) system serves as the heartbeat of modern industrial operations. Understanding SCADA system architecture is vital for engineers designing efficient control systems. These architectures have evolved from isolated, monolithic structures to highly interconnected, networked ecosystems. Choosing the right design requires balancing data visibility, processing power, and long-term scalability requirements.
Choosing the Right Controller: PLC vs. Motion Controller in Industrial Automation
Selecting the optimal control architecture is a foundational decision in industrial automation. Engineers must frequently choose between a Programmable Logic Controller (PLC) and a dedicated Motion Controller. While both systems manage machinery, their underlying design philosophies differ significantly, impacting performance, scalability, and system integration.
Mastering PLC Power Supply Architectures and Operating Voltages
Selecting the correct operating voltage is a critical step in designing reliable industrial automation systems. Whether you are working with a compact PLC or a large-scale DCS, your power architecture dictates the system's longevity. In this guide, we explore the standard voltage ranges and power distribution strategies required to maintain stable factory automation operations.