Allen-Bradley 1492-RCDA2A40 is a Bulletin 1492 Residual Current Device (RCD) for personnel protection and fire prevention in AC circuits. This 2-pole device features a 40A rated current, 30mA residual operating current, and Type A sensitivity for detecting pulsating DC fault currents. It is designed for DIN rail mounting and provides supplementary protection against earth leakage faults in accordance with IEC 61008-1 standards.

# Automation Accessories The **Allen Bradley 1492-RCDA2A40 Residual Current Device** is a critical component in modern industrial automation systems, designed to enhance safety and reliability in electrical installations. This device functions by detecting any imbalance between live and neutral currents, providing essential protection against electrical shocks and potential fire hazards. With its robust design and advanced technology, the 1492-RCDA2A40 is an essential accessory for ensuring safe operations in various industrial contexts. ## Key Features • **Rated Current**: 40A, suitable for a wide range of applications in industrial environments. • **Residual Current Sensitivity**: 30mA, offering effective protection against electrical leakage and ensuring compliance with safety standards. • **Voltage Rating**: 230/400V AC, compatible with standard industrial power supplies. • **Type**: Type A, capable of detecting both AC and pulsating DC residual currents, providing comprehensive protection. • **Compact Design**: Enclosed in a space-efficient module, facilitating easy installation in control panels and electrical cabinets. ## Applications • **Industrial Automation**: Essential for machinery and equipment protection in manufacturing plants, ensuring operational safety. • **Commercial Installations**: Ideal for use in commercial buildings where electrical safety is paramount. • **Compatibility**: Designed to integrate seamlessly with Allen Bradley control systems and other industrial automation components. • **Environmental Suitability**: Operates effectively in various operating conditions, making it ideal for both indoor and outdoor applications. ## Benefits • **Enhanced Safety**: Provides critical protection against electrical shocks, minimizing the risk of accidents in the workplace. • **Increased Reliability**: Reduces downtime by preventing electrical failures, ensuring continuous operation of machinery and equipment. • **Compliance Assurance**: Meets industry safety standards, helping businesses adhere to regulatory requirements and avoid penalties. • **User-Friendly Installation**: Simplifies the integration process into existing systems, saving time and costs during setup. --- *Product information compiled with AI assistance for reference purposes.*