48V DC Relay 10A 250V Songle

Songle SRD series relays are widely used electromagnetic devices in various electrical and electronic applications. Here is some general information about these relays:

General Features

• Brand: Songle
• Series: SRD
• Nominal Current: Typically 10A
• Contact Configuration: SPDT (Single Pole Double Throw) or SPST (Single Pole Single Throw)
• Coil Voltages: Available in various voltages such as 3V, 5V, 6V, 9V, 12V, 24V, 48V DC
• Contact Voltage: 250V AC or 30V DC
• Size: Compact, typically designed for PCB mounting
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Technical Specifications

• Coil Resistance: Varies based on voltage (e.g., approximately 400Ω for 12V DC)
• Operate Time: 10ms (maximum)
• Release Time: 5ms (maximum)
• Dielectric Strength: 500VAC (coil to contact), 1000VAC (between contacts)
• Mechanical Life: 10 million operations
• Electrical Life: 100,000 operations (at nominal load)

Applications

• Industrial Control Systems: Machine and motor control
• Home Automation: Lighting, heating, and cooling systems
• Security Systems: Alarm systems, security doors
• Automotive Applications: Electric windows, headlights
• Electronic Projects: Commonly used with Arduino and other microcontroller projects
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Advantages

• High Reliability: Long-lasting and reliable due to its electromechanical design.
• Wide Application Range: Suitable for both AC and DC loads.
• Easy Installation: Can be easily mounted on PCBs.
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Disadvantages

• Mechanical Wear: Mechanical parts can wear out over time, potentially reducing the relay's lifespan.
• Size: May be bulkier compared to solid-state relays in some applications.
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Example Product: SRD-24VDC-SL-C

• Coil Voltage: 24V DC
• Coil Resistance: 70Ω
• Nominal Current: 10A
• Contact Configuration: SPDT
• Operate and Release Time: 10ms and 5ms