Product Details
Product Overview
The Allen Bradley 1440-TB-D serves as the essential mounting and wiring foundation for the XM series expansion relay modules. This screw-clamp terminal base provides the physical interface and electrical connectivity required for the 1440-REX00-04RD expansion relay module to communicate within a condition monitoring network. We supply this unit as 100% Brand New and Factory Original, ensuring maximum contact integrity and structural durability for mission-critical machinery protection systems.
Technical Specifications
The 1440-TB-D provides a robust electrical platform with the following environmental and power parameters:
| Feature | Specification |
| Termination Type | Screw Clamp Terminals |
| Compatibility | 1440-REX00-04RD Expansion Relay Module |
| Operating Voltage Range | 21.6 to 26.4 VDC |
| Operating Temperature | 20°C to 65°C (68°F to 149°F) |
| Mounting | DIN Rail |
| Wiring Configuration | Fixed Terminal Block |
| Shipping Weight | 2.00 lbs (0.91 kg) |
Engineering Advantages
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Vibration-Resistant Terminations: The high-torque screw clamps secure field wiring against the constant mechanical harmonics found in turbine and compressor monitoring applications. This design prevents intermittent signal loss and eliminates "nuisance" alarms caused by loose connections.
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Thermal Resilience: The hardware operates reliably across a specific 20°C to 65°C window. This high-end thermal ceiling allows for installation in localized junction boxes near heat-generating industrial machinery without degrading the internal bus connections.
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Simplified Maintenance Architecture: The terminal base remains fixed to the DIN rail, allowing technicians to swap the 1440-REX00-04RD relay module without disturbing any field wiring. This "plug-in" capability reduces Mean Time to Repair (MTTR) during critical maintenance windows.
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Regulated Power Management: The unit manages a tight voltage tolerance (21.6–26.4 VDC), protecting the sensitive logic of the mounted relay module from common DC bus fluctuations and electrical noise typical of industrial power grids.
FAQs
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Is this 1440-TB-D unit 100% Brand New?
Yes. Every 1440-TB-D we ship is 100% Brand New in its original factory packaging. We do not supply used or "pull-off" bases, ensuring your protection system starts with zero-hour hardware and clean terminal contacts.
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Can I use this base with other XM modules?
The 1440-TB-D is specifically engineered for use with the 1440-REX00-04RD expansion relay module. While it shares a similar form factor with other XM bases, you must verify the internal bus routing matches your specific module to prevent hardware damage.
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Does the terminal base include the relay module?
No. This part number refers only to the Terminal Base Unit. You must purchase the 1440-REX00-04RD or other compatible XM modules separately to complete the assembly.
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What is the recommended torque for the screw clamps?
To ensure optimal connectivity and prevent wire damage, apply the manufacturer’s specified torque (typically 0.5–0.6 Nm) using a calibrated industrial screwdriver. Proper tensioning prevents terminal strip cracking while maintaining a gas-tight seal on the copper wire.
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
Understanding Marshalling Cabinets in Industrial Control Systems Architecture
Industrial control system deployments rely on structured signal distribution to bridge field instrumentation with central processing hardware. A marshalling cabinet serves as the vital intermediate connection point between heavy field home-run multi-pair cables and delicate input/output (I/O) modules housed inside Programmable Logic Controller (PLC) or Distributed Control System (DCS) enclosures. By segregating field cable terminations from control hardware, engineers maintain system flexibility, safeguard controller components, and streamline commissioning workflows.
FAT vs SAT in Industrial Control Systems: Key Differences and Execution Guide
Industrial control system deployment relies on strict verification protocols to guarantee operational safety, system stability, and regulatory compliance. Commissioning complex Programmable Logic Controller (PLC) racks, Distributed Control Systems (DCS), and Safety Instrumented Systems (SIS) requires two critical milestones: the Factory Acceptance Test (FAT) and the Site Acceptance Test (SAT). Both procedures validate that system automation meets design specifications, but they occur at different stages of project execution and target distinct operational risks.
Hub vs Switch vs Router in Industrial Automation Architecture
Modern factory automation relies on reliable industrial networking infrastructure to exchange real-time field data across operational technology systems. Engineers often encounter networking hardware like hubs, switches, and routers when integrating Programmable Logic Controllers, Distributed Control Systems, and SCADA monitoring nodes. Although these devices share physical ports, they operate at different layers of the Open Systems Interconnection reference model and deliver distinct traffic management capabilities.