Product Details
Product Description
The Allen Bradley 1440-REX03-04RG XM 442 Over Speed Relay Module is designed for machine protection and monitoring applications. This open-style, mountable relay module provides overspeed detection and relay output functionality, ensuring reliable integration into PLC-based control systems.
Technical Specifications
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Model Number: 1440-REX03-04RG
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Series: XM 442
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Type: Over Speed Relay Module
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Mounting Style: Open-style, panel mountable
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Category: PLC Module / Rack
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Weight: 0.42 lbs (≈ 0.19 kg)
Application Scenarios
This relay module is commonly used in turbine monitoring, rotating machinery protection, and critical overspeed detection systems. It integrates seamlessly with Allen Bradley PLCs for enhanced safety and control.
Comparison with Similar Modules
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1440-REX03-04RG: Dedicated overspeed relay, compact design, open-style mounting.
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Other XM series modules: Provide vibration monitoring, temperature sensing, or combined machine protection functions.
FAQ
Q: Can the 1440-REX03-04RG be used independently without a PLC? A: No, it is designed to work as part of a PLC-based control system.
Q: What is the primary function of this module? A: It provides overspeed detection and relay output for machine protection.
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
Preventing Spurious Trips in Emergency Stop Systems: A Technical Guide
In industrial automation, the Emergency Stop (E-Stop) pushbutton is the ultimate safety line. However, relying on a single Normally-Closed (NC) contact can sometimes lead to unexpected spurious trips. As a control systems engineer, I have seen these nuisance trips halt entire production lines, causing significant downtime. Understanding why these components fail and how to implement robust architecture is essential for any reliable DCS or PLC-based safety system.
Sequencing Induction Motor Control with PLC Logic: Best Practices
In modern industrial automation, controlling a group of induction motors requires precision and safety. Uncontrolled simultaneous startup of multiple large motors often causes significant voltage dips, potentially triggering protective trips. Therefore, implementing a sequential startup and shutdown strategy is essential. This approach minimizes inrush current and ensures the system operates within established power constraints. A robust PLC program serves as the ideal engine for orchestrating these sequences.
Mastering PLC Programming: Best Practices for Robust Industrial Automation
Writing clean PLC code requires discipline, especially regarding memory management. Avoid overusing SET and RESET instructions, as they often complicate debugging. If multiple rungs control the same bit, troubleshooting becomes a nightmare. Instead, focus on energizing a bit in only one location. If your logic requires complex conditions, use branches within a single rung. This approach keeps your code readable, maintainable, and significantly easier to audit during downtime.