Single Solid State Relay for Precise Single-Load Control [2025 Update]

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Single Solid State Relay: Individual Semiconductor Relay for Single-Load Control

Single Solid State Relay: Individual Semiconductor Relay for Single-Load Control

The single solid state relay refers to a single SSR unit, typically used to control a single load or circuit. It provides independent on/off control for individual devices (e.g., motors, lamps, heaters), featuring compact design and simple wiring. Suitable for small-scale control systems or single-device applications, this relay offers precise control and high reliability, meeting the needs of single-circuit automation and simplifying system configurations.
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Advantages

Compact Single-Load Control

Miniature size (e.g., 24x16mm) for single-load applications (e.g., LED lighting, small pumps), saving space in control panels.

Independent Circuit Isolation

Each relay provides 2.5kV electrical isolation, preventing cross-interference between channels and improving system stability.

Plug-and-Play Design

Standard DIP/SMD packages for easy soldering or socket installation, reducing assembly time in small-scale projects.

Related products

Heavy duty applications requiring high load switching capabilities (≥ 1000A) typically employ high-current solid state relays. These devices feature multi- parallel configurations of thyristors or IGBTs for power handling, and with sophisticated thermal management (e.g., heat sinks, forced air cooling), they can dispose of waste heat. Offers tremendous versatility in industrial applications such as furnaces, motor drives, and power distribution due to zero-voltage switching, capable of withstanding surge currents up to 10x nominal current. Protecting internal components from dust, moisture, and other particles while ensuring 24/7 operational reliability, the hermetically sealed housing provides longevity and durability.

Frequently Asked Questions

What are the advantages of a single solid state relay for single-load control?

A single solid state relay offers compact design (e.g., 24x16mm) for single-load applications like LED lighting or small pumps, saving space in control panels. Its independent circuit isolation (2.5kV) prevents cross-interference, enhancing system stability in small-scale projects.
With plug-and-play design in standard DIP/SMD packages, the single SSR is easy to solder or install in sockets, reducing assembly time. This makes it ideal for quick prototyping or retrofitting the single-load control systems.
The single SSR operates in a wide temperature range (-40°C to 85°C), suitable for extreme cold/hot environments like freezers or industrial furnaces. This thermal resilience ensures reliable performance in harsh operational conditions.
Yes, the single SSR has built-in over-voltage protection with transient voltage suppression (TVS) diodes. These absorb surge voltages, protecting both the relay and connected loads from damage caused by voltage spikes or power surges.
Yes, the single SSR is designed to handle inductive loads by incorporating surge suppression components, making it suitable for controlling devices like solenoids or small motors without additional protective circuitry.

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Customer Reviews

Dr. Emily Chen
Precise for Laboratory Equipment

"In our lab's heating chamber, this SSR provides precise temperature control via PWM. The zero-crossing feature eliminates voltage spikes, protecting our sensitive temperature controller. The LED status indicator shows operation clearly, and the low power consumption (<0.5W) is ideal for 24/7 lab use. Highly recommended for precision applications."

Tom Li
Easy to Use for DIY Projects

"As a hobbyist, I used this SSR to control a small water pump in my hydroponics system. The wiring was straightforward (input/output labels are clear), and the 24V DC coil worked with my Arduino. Even after 6 months of continuous operation, it's still going strong. Perfect for DIY enthusiasts."

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Over-Voltage Protection Built-In

Over-Voltage Protection Built-In

Includes transient voltage suppression (TVS) diodes to absorb surge voltages, protecting loads and the relay itself from voltage spikes.