ASSR-3210-503E Solid State Relay – High-Speed Switching – PCB Mount Package

ASSR-3210-503E Overview

The ASSR-3210-503E is a high-performance solid-state relay designed for industrial automation and control systems. This device offers galvanic isolation between input and output, ensuring safe and reliable switching of AC loads. With its compact form factor and robust design, it delivers precise control in demanding environments. Engineers and sourcing specialists benefit from its low input current requirement and fast switching capabilities, making it ideal for applications requiring efficient power management. For detailed product support and sourcing, visit IC Manufacturer.

ASSR-3210-503E Technical Specifications

ASSR-3210-503E Key Features

• Galvanic Isolation: Provides 3750 V RMS isolation between input and output, ensuring system safety and protecting control circuitry from high voltages.
• Zero Cross Switching: Minimizes electrical noise and stress on connected loads by switching at the zero voltage crossing point of the AC waveform.
• Low Input Current Requirement: Requires only 7.5 mA typical input current at 5 V DC, enabling efficient control using low-power logic devices.
• Compact 6-Pin DIP Package: Simplifies PCB layout and integration in space-constrained industrial applications.
• Wide Operating Temperature Range: Maintains reliable switching performance from -40 ??C up to +100 ??C, suitable for harsh industrial environments.
• High Safety Standards: Certified by UL, CSA, and VDE, ensuring compliance with international safety regulations and reliability in critical applications.

ASSR-3210-503E Advantages vs Typical Alternatives

This solid-state relay offers superior isolation voltage and zero cross switching, reducing electromagnetic interference compared to mechanical relays. Its low input current enhances energy efficiency, and the high operating temperature range supports reliability in harsh industrial settings. These advantages contribute to longer service life and reduced maintenance, making it a preferred solution over typical electromechanical relays or less robust SSRs.

Typical Applications

• Industrial automation control systems requiring safe, noise-free switching of AC loads, such as motor control and heater regulation, where precise timing and isolation are critical for system integrity.
• Power management circuits that benefit from low input current and galvanic isolation to protect control electronics while switching moderate AC loads.
• Building automation for lighting and HVAC systems demanding reliable, silent operation with minimal electrical noise and long service life.
• Signal switching in measurement and test equipment where isolation and fast switching response ensure accurate and repeatable results.

ASSR-3210-503E Brand Info

This product is part of a trusted line of solid-state relays designed by a leading semiconductor manufacturer specializing in industrial-grade optoelectronic components. The relay is engineered to meet stringent industrial standards, combining advanced optocoupler technology with robust semiconductor switching to deliver high reliability and safety. Its design reflects a commitment to quality and innovation, supporting engineers and system integrators worldwide with dependable solutions for challenging control applications.

FAQ

What type of load can this solid-state relay switch?

The relay is designed to switch AC loads within the voltage range of 24 to 280 V AC and up to 0.5 A current. It is suitable for resistive and inductive loads common in industrial control, such as heaters, motors, and lighting circuits, provided they do not exceed these ratings.

How does zero cross switching benefit my application?

Zero cross switching ensures the relay activates only when the AC voltage waveform crosses zero volts. This minimizes electrical noise, reduces inrush currents, and prolongs the lifespan of both the relay and the connected load, enhancing system reliability and reducing electromagnetic interference.

Is the relay suitable for high-temperature environments?

Yes, the device operates reliably within a temperature range of -40 ??C to +100 ??C. This wide range makes it suitable for use in harsh industrial environments where temperature fluctuations are common, ensuring consistent performance without degradation.

What safety certifications does this relay hold?

The relay is certified by UL, CSA, and VDE, which are internationally recognized safety standards organizations. These certifications indicate that the device meets rigorous safety and quality requirements for industrial solid-state relays, providing assurance for critical applications.

What is the input control voltage range and input current requirement?

The input control voltage ranges from 4 to 32 V DC, with a typical input current of 7.5 mA at 5 V DC. This low input current requirement allows easy interfacing with low-power control circuits such as microcontrollers and PLCs without additional driver components.