Product Details
Product Description
The Allen Bradley 1402-LS51 is a solid-state line synchronization module designed for use in three-phase systems. Built for precision and reliability, it integrates seamlessly into the standard 1771 I/O chassis and occupies two slots. With advanced synchronization capabilities, dielectric withstand voltage, and SIL-rated performance, this module is engineered for power monitoring, protection, and management applications.
Technical Specifications
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Manufacturer: Allen Bradley
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Product Line: NEMA Controller Operator Kit
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Part Number: 1402-LS51
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Series: Power Monitoring, Protection, and Management Products
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Product Type: Line Synchronization Module
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Weight: 7.44 lbs (3.37 kg)
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Compatible Systems: 3-phase electrical systems
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Mounting Chassis: Standard 1771 I/O chassis
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Slots Required: 2
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Equipment Type: Solid-state
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Current Capacity: 0–5 A RMS continuous, 200 A RMS for 1 second
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Frequency Range: 40–100 Hz steady-state
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Dielectric Withstand Voltage: 2500 V RMS
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Operating Temperature: 0–60 °C
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Current Input Burden: 0.05 VA
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Voltage Step Accuracy: 0.05% increments
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Voltage Input Impedance/Burden: 728K / 0.02 V
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Phase Resolution: 1° step
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Backplane Current Draw: 1.1 A at 5 VDC (2.2 A inrush for 5 ms)
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Open/Closed Equipment: Open type
Application Scenarios
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Synchronization of three-phase electrical systems in industrial environments
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Power monitoring and protection in high-reliability installations
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Integration into Allen Bradley 1771 chassis for modular system expansion
FAQ
Q: How many slots does the 1402-LS51 require in the chassis? A: It occupies two slots in the 1771 I/O chassis.
Q: What type of systems is this module compatible with? A: It is designed for three-phase systems requiring synchronization and monitoring.
Q: What is the dielectric withstand voltage rating? A: The module withstands up to 2500 V RMS.
Comparison with Similar Models
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1402-LS51: Line synchronization, solid-state, 3-phase systems
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1402-LS41: Standard synchronization module, lower current capacity
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1402-LS71: Advanced synchronization with extended monitoring features
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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Choosing the Right Controller: PLC vs. Motion Controller in Industrial Automation
Selecting the optimal control architecture is a foundational decision in industrial automation. Engineers must frequently choose between a Programmable Logic Controller (PLC) and a dedicated Motion Controller. While both systems manage machinery, their underlying design philosophies differ significantly, impacting performance, scalability, and system integration.