Product Details
Overview
The Allen-Bradley 1756-TBNH is a detachable 20-position screw terminal block engineered for seamless integration with ControlLogix I/O modules. Designed to provide secure electrical connections, this terminal block supports both standard and safety-rated controllers while ensuring easy installation and reliable performance in industrial environments.
Technical Specifications
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Model / Part Number: 1756-TBNH
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Brand: Allen-Bradley
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Product Type: 20-Pin Screw Terminal Block
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Number of Positions: 20
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Terminal Type: NEMA screw-clamp
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Compatible Controllers: 5580 Standard and Safety series
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Screw Torque: 1.36 Nm
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Maximum Screwdriver Width: 8 mm (5/16 in.)
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Dimensions (L×W×H): 5.51 × 4.41 × 5.71 inches
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Weight: 0.3 lbs (0.14 kg)
Applications
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Provides organized wiring connections for ControlLogix I/O modules.
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Compatible with both standard and safety-rated I/O systems.
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Ideal for panel-mounted I/O installations requiring secure screw connections.
FAQs
Q1: Can this terminal block be used with safety-rated controllers?
Yes, it is compatible with both 5580 standard and safety-rated ControlLogix controllers.
Q2: What is the maximum torque for the terminal screws?
The screws should be tightened to a maximum of 1.36 Nm for secure connections.
Q3: How many positions does this terminal block provide?
It offers 20 screw-clamp positions for wiring multiple I/O signals.
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.