Product Details
Description
The TU811 3BSE008526R1 is designed for compact cabinet installations, connecting up to 8 I/O channels with a single-wire termination scheme and shared common return to save space. Its passive backplane ensures high reliability and stability by avoiding active electronics. The TU811 supports hot-swapping of S800 I/O modules for maintenance without disconnecting field cables. Mechanical keying pins prevent incompatible module insertion, safeguarding process control hardware.
Specifications
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Manufacturer: ABB
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Country of Origin: Sweden
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Model Number: TU811
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Order Number: 3BSE008526R1
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Product Type: Compact Module Termination Unit (MTU)
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Weight: 0.32 kg
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Terminal Count: 12 Screw Terminals
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Maximum Rated Voltage: 50 V DC
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Maximum Rated Current: 2 A per channel
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Wiring Type: Single-wire connection with shared return
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Mounting: 35mm standard DIN rail
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Ingress Protection: IP20
Features
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Space-Efficient Design: Compact width allows for higher I/O density within standard electrical cabinets, reducing overall hardware footprint.
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Streamlined Connectivity: Features 12 screw terminals optimized for 8-channel modules using a common return path for simplified wiring.
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Hot-Swap Support: Permits the installation and removal of active I/O modules while the station is powered, minimizing process downtime.
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Passive Circuitry Architecture: Hardware-only routing design maximizes the Mean Time Between Failures (MTBF) by removing electronic failure points.
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Mechanical Coding Safety: Built-in keying system ensures only correctly matched I/O modules can be seated, preventing accidental equipment damage.
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Universal DIN Rail Mounting: Designed for easy snap-on installation on standard 35mm rails, supporting both vertical and horizontal orientations.
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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Safety Relays in Industrial Automation: Fundamentals, Design Standards, and Fail-Safe Architecture
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