
Solid State Relay SSR-25DA
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Description
Solid State Relay SSR-25DA: High-Efficiency Switching for Modern Applications
When it comes to fast, silent, and reliable switching, the Solid State Relay SSR-25DA is a trusted component across various industries. Designed to handle heavy-duty operations without the mechanical wear of traditional relays, this device is perfect for automation, temperature control, and motor-driven systems.
What Is a Solid State Relay?
A solid-state relay (SSR) is an electronic switching device that controls power without moving parts. It uses semiconductors instead of electromagnetic coils, enabling rapid, silent, and wear-free operation.
Key Features of Solid State Relay SSR-25DA
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Input Voltage: 3–32V DC
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Output Voltage: 24–380V AC
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Load Current: Up to 25A
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Switching Type: Zero-crossing
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Response Time: <10ms
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Mounting Style: Panel mount with heat sink support
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LED Indicator: Visual confirmation of operation
Built for Tough Conditions
The SSR-25DA is engineered for environments where mechanical relays often fail. Its epoxy-encased housing provides resistance to vibration, dust, and moisture. This durability makes it ideal for:
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Industrial ovens
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Packaging equipment
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Motor controllers
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CNC machinery
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HVAC systems
Fast, Silent, Reliable Operation
Unlike traditional relays, this SSR doesn't generate mechanical noise. It silently switches on/off without sparks, making it perfect for noise-sensitive applications. Plus, its fast response time ensures high-speed operation when every millisecond counts.
Heat Management Matters
The SSR-25DA requires a heat sink for optimal performance. Heat sinks help dissipate excess thermal energy, ensuring the relay operates efficiently at high loads without overheating. This improves lifespan and stability under continuous operation.
Energy-Efficient and Low Maintenance
Engineered with durability and efficiency in mind, this component stands out for its minimal power consumption and long operational lifespan. Its internal architecture operates without the need for physical contacts or mechanical motion, making it far more reliable than traditional alternatives.
The absence of moving parts not only reduces energy use but also eliminates friction-related degradation over time. This results in fewer failures, less downtime, and significantly lower maintenance costs. Once installed, it continues to perform its function with virtually no need for routine service—making it an ideal solution for systems that require long-term stability and hands-off operation.
Additionally, it offers excellent resistance to contact chatter or electrical noise—common issues found in mechanical switching systems that can lead to equipment malfunctions or false triggers. This added stability helps safeguard sensitive electronics and ensures consistent performance even under varying load conditions.
Ideal for energy-conscious users, this device supports eco-friendly operation while contributing to the overall efficiency of your setup. Whether it's used in industrial automation, HVAC systems, or precision lab instruments, its dependable design makes it a smart choice for professionals seeking both performance and peace of mind.
Common Use Cases
This SSR is widely used in:
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3D printers
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Electric heaters
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Temperature-controlled devices
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PLC systems
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Battery chargers
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LED lighting systems
Wherever you need reliable, high-current AC switching with DC control, SSR-25DA is the go-to solution.
Package Includes
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1 x Solid State Relay SSR-25DA
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Optional mounting screws (depending on seller)
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Usage instructions (PDF/manual available on request)
Technical Specifications Table
Specification | Value |
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Model | SSR-25DA |
Control Voltage | 3–32V DC |
Load Voltage | 24–380V AC |
Rated Current | 25A |
Frequency | 50/60Hz |
Switching Mode | Zero-crossing |
Insulation Resistance | ≥ 100MΩ |
Dielectric Strength | ≥ 2500V AC |
Final Thoughts
Choosing the right switching component is essential for any project involving precise control and reliable performance. This device offers a winning combination of quiet operation, rapid response time, and low maintenance needs—qualities that are increasingly sought after in modern electrical and automation systems.
Thanks to its advanced internal design, it eliminates mechanical wear and tear, resulting in a longer service life and reduced chances of failure. That makes it an excellent choice not only for industrial control panels but also for smart home applications, 3D printing, temperature regulation setups, and more.
Its compact size and easy mounting also allow for flexible integration into both new builds and retrofit installations. Technicians appreciate its consistent behavior under load, while hobbyists value the plug-and-play simplicity. From temperature controllers to motion devices, this component ensures seamless performance even in demanding conditions.
When precision and reliability are top priorities, this control element proves itself time and again. With the right setup, it can help minimize downtime, reduce operational noise, and provide safe, stable operation across a wide range of voltages and frequencies.
Whether you're creating your first automation rig or fine-tuning a production line, including this essential piece of equipment can make all the difference in the longevity and reliability of your system.
Shipping
At Fast DTF Supply, we use trusted carriers to ensure your orders are delivered safely and promptly, offering shipping methods such as ground or air.
Orders placed before 2 Eastern Time (ET) are shipped the same business day to get your products to you as quickly as possible. Orders received after this time will be shipped the next business day.
Shipping costs will be calculated at checkout based on the location provided, the shipping option selected, and the total weight of the purchase.
Currently, Fast DTF Supply does not offer international shipping and ships exclusively within the United States to focus on delivering the best possible service to our domestic customers.
Fast DTF Supply is not responsible for any delays that occur after the package is handed over to the shipping company.
While we strive to meet all delivery times, there may be occasions due to unforeseen circumstances where deliveries could be delayed. We appreciate your understanding and patience in these instances.
For more details, check out our Shipping Policy.
Pickup available at Fast DTF Supply Usually ready in 24 hours
Pickup available
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Fast DTF Supply
Pickup available, usually ready in 24 hours
459 E Main St
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Denville NJ 07834
United States
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