Product Details
Description
The ABB TU890 is an 8-channel Module Termination Unit (MTU) for the S800 I/O system, designed for intrinsically safe applications. It provides the mounting base and electrical interface for IS I/O modules, ensuring signal integrity and safety in hazardous zones (0, 1, and 2). Ideal for oil, gas, and chemical industries, the 3BSC690075R1 integrates isolation and grounding for reliable field connections.
Specifications
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Manufacturer: ABB
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Model Designation: TU890
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Order Number: 3BSC690075R1
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Product Type: Intrinsic Safety Module Termination Unit
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Channel Capacity: 8 Channels
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Maximum Voltage: 50V
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Terminal Type: Screw Terminals
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Mounting: 35mm DIN Rail
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Dielectric Test Voltage: 1500 V a.c.
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Weight: 0.5 kg
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Dimensions: 186 mm x 58.5 mm x 47.5 mm
Features
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Hazardous Area Readiness: Specifically designed to house intrinsically safe modules, ensuring energy limitation to field-side circuits.
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Robust Signal Routing: Provides organized termination for up to 8 field signals, simplifying the wiring of complex sensor loops.
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Hot-Swap Maintenance: Enables the replacement of active I/O modules without disconnecting field wiring or disrupting the system bus.
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Mechanical Keying: Features integrated safety slots to prevent the insertion of non-IS modules, protecting hazardous area loops from improper voltage levels.
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Passive Reliability: Constructed as a passive component to maximize long-term operational stability and minimize system-level failure points.
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Simplified Grounding: Includes dedicated termination points for shield grounding, essential for maintaining signal purity in high-interference industrial environments.
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
Redundant Automation Systems: Ensuring Continuous Uptime in Critical Control Infrastructure
System reliability directly determines operational profitability across high stakes process industries. Modern industrial automation platforms must eliminate single points of failure to prevent catastrophic shutdowns. Deploying fault tolerant architecture safeguards complex facilities against unexpected hardware glitches, network disruptions, and maintenance outages.
Understanding Types of Noise in Electronic Circuits and Control Systems
Signal integrity directly determines measurement accuracy and loop stability across industrial automation environments. Electronic noise introduces unwanted stochastic interference into analog loops, sensor feedback lines, and digital fieldbus networks. Understanding how intrinsic electronic noise and external electromagnetic interference manifest allows control engineers to optimize signal conditioning and shield sensitive instrumentation effectively.
Why 24V DC Power Supplies Standardize Modern Industrial Automation
Industrial control cabinets worldwide rely on 24V DC as the universal power standard for field instrumentation, sensors, and controllers. Walk into any manufacturing plant, and you will find PLCs, human-machine interfaces (HMIs), and smart actuators running on extra-low voltage DC. Standardizing on 24V DC enhances operational safety, lowers cabinet footprint, and maintains steady control performance across factory networks.