The SMIH-24VDC-SL-C is a 24VDC Single Pole Double Throw (SPDT) signal relay manufactured by Songle. This relay is designed for a wide range of applications requiring reliable switching of low-power signals. Its compact size and robust construction make it suitable for use in various industrial and commercial electronic devices.

Applications

• Telecommunications Equipment: Used in telephone exchanges and communication systems for signal routing and switching.
• Industrial Control Systems: Employed in programmable logic controllers (PLCs) and other industrial control devices for switching input/output signals.
• Security Systems: Found in alarm systems, access control systems, and other security equipment for signal switching and control.
• Consumer Electronics: Used in appliances, audio equipment, and other consumer electronics for switching functions.
• Automotive Applications: Used in automotive electronics for controlling various circuits.

Features

• SPDT Contact Form: Provides a single pole double throw contact configuration, offering flexibility in circuit design.
• 24VDC Coil Voltage: Operates with a 24VDC coil voltage, making it compatible with many common power supplies.
• High Sensitivity: Requires low coil power for activation.
• Compact Size: Designed for space-saving applications.
• Sealed Construction: Offers protection against dust and other environmental contaminants.
• High Contact Rating: Capable of switching substantial current loads for its size.

Benefits

• Reliable Switching: Provides consistent and dependable signal switching performance.
• Versatile Application: Suited for a broad array of applications due to its SPDT configuration and coil voltage.
• Space Saving: Its compact size allows for integration into densely populated circuit boards.
• Long Life Expectancy: Designed for extended operational life, reducing maintenance requirements.
• Cost-Effective: Offers a balance of performance and affordability.

Specifications

While exact electrical specifications can vary slightly, typical specifications for a relay in this series include:

• Coil Voltage: 24 VDC
• Contact Rating: Typically 1A at 120VAC or 2A at 30VDC (verify specific datasheet for exact values)
• Contact Resistance: Less than 100 mΩ
• Operate Time: Approximately 8 ms
• Release Time: Approximately 5 ms
• Insulation Resistance: 100 MΩ minimum
• Dielectric Strength: 500 VAC
• Operating Temperature: -40°C to +85°C