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Reliance RSP21-120-24: High-Performance Relay Module

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The Reliance RSP21-120-24 is an advanced industrial control relay module designed for precise signal amplification and switching. Ideal for automation systems, it ensures reliable operation under demanding conditions.

Nominal Input Voltage:24V DC

Current Rating:120A

Switching Speed:Less than 1ms

Operating Temperature Range:-40°C to +85°C

Isolation Voltage:1000VAC

Contact Resistance:Max 10mΩ

Operating Humidity Range:5% to 95% RH non-condensing

Enclosure Type:IP20

Certification:UL, CE

    The Reliance Automation RSP21-120-24 boasts a compact design that ensures efficient integration into existing industrial control systems, reducing the need for extensive rewiring and minimizing installation time.

    Equipped with advanced semiconductor technology, this solid state relay provides superior switching performance, delivering instantaneous on-off responses and low switching loss, making it ideal for high-frequency switching applications.

    Withstanding extreme temperatures from -40°C to +85°C, the RSP21-120-24 is engineered to operate reliably in harsh industrial conditions, ensuring continuous operation even under challenging environmental factors.

    The module features a high isolation voltage of 1000VAC, providing a safe barrier between the control circuit and the load, which is crucial for preventing accidental short circuits and ensuring user safety.

    Built with premium materials and a robust construction, the RSP21-120-24 offers exceptional durability and long service life, backed by comprehensive technical support and warranty, guaranteeing peace of mind for our valued customers.

Reliance RSP21-120-24




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    About Us----Greens Automation

    We are a leading supplier in the industrial automation industry, specializing in providing high-quality DCS, PLC, robotic control systems, and large servo system spare parts. With a comprehensive range of products and a commitment to excellence, we empower businesses to achieve smarter, more efficient operations through cutting-edge automation solutions.

    Our Products

    DCS System Spare Parts: Genuine components for distributed control systems.

    PLC Modules: Reliable and high-performance solutions for seamless automation control.

    Robotic Control Systems: Precision components for advanced robotics.

    Large Servo System Spare Parts: High-quality parts to ensure optimal performance.


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    Specialized in Obsolete Parts: We provide hard-to-find, discontinued components to keep your systems running.

    Fast and Accurate Delivery: We ensure quick shipping and precise lead times to minimize downtime.

    Application scenario, multi-dimensional enabling

    Power energy: Ensure the stable operation of the DCS system of the power station, and help the smart grid upgrade.
    Petrochemical: Provides explosion-proof spare parts to meet safety requirements in harsh environments.
    Automotive manufacturing: Support high-speed response of robotic systems to optimize production line efficiency.
    Rail transit: Ensure the reliable operation of signal control system and protect the safety of travel.

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