SSR-40DA Solid State Relay 40A (4-32 VDC Input)

Overview

The SSR-40DA Solid State Relay is a robust and reliable solution for switching high-current AC loads without the mechanical wear and tear of traditional relays. With a 40A current rating and an output voltage range of 24-380 VAC, this relay is perfect for industrial automation, motor control, and other demanding power switching applications. Its DC input (4-32 VDC) makes it easy to interface with microcontrollers, PLCs, and other control systems.

Key Features

• High Current Capacity: Switches up to 40A, suitable for heavy loads.
• Wide Input Voltage Range: 4-32 VDC input, compatible with 5V and 3.3V logic levels.
• Optically Isolated: Provides electrical isolation between control and load circuits for safety.
• Fast Switching: Response time of 8.3 ms for quick on/off operations.
• Silent Operation: No mechanical parts, ensuring noiseless and vibration-free switching.
• Long Lifespan: Solid-state design offers millions of switching cycles.
• Compact and Durable: Built to withstand harsh industrial environments.

Technical Specifications

• Input Voltage: 4-32 VDC
• Trigger Current: 12 mA max
• Turn-off Voltage: < 3.5 VDC
• Output Voltage: 24-380 VAC
• Output Current: 40A
• Response Time: 8.3 ms
• Leakage Current: 5 mA
• Operating Temperature: -40°C to 80°C

Applications & Use Cases

• Industrial Automation: Control motors, heaters, and solenoids in manufacturing lines.
• Motor Control: Start/stop AC motors in machinery and conveyors.
• Lighting Systems: Switch high-power lighting in commercial and industrial settings.
• Heating Systems: Manage heating elements in ovens, furnaces, and HVAC systems.
• Power Distribution: Use in power panels and control cabinets for reliable switching.
• DIY Projects: Ideal for makers and hobbyists building high-power projects.

What's Included

• 1x SSR-40DA Solid State Relay

Compatibility

• Compatible with Arduino, Raspberry Pi, ESP32, and other microcontrollers (with proper logic level matching).
• Works with PLCs and industrial control systems.
• Suitable for AC loads only (24-380 VAC).

MOKWN Recommendation

The SSR-40DA is an excellent choice for projects that require reliable, high-speed switching of AC loads. Its opto-isolation protects your control circuit, and its solid-state design ensures long-term durability. Whether you're a professional engineer or a hobbyist, this relay is a must-have for your power control needs. Order today and experience the precision and reliability of MOKWN's top-quality components.