24VDC T2 Surge Protective Device with 40kA Maximum Discharge Capacity

This 3pole T2 class surge protective device is engineered to provide reliable overvoltage protection for 24VDC electrical systems. Designed with a distinctive red plastic housing, this device offers comprehensive protection for DC power lines against transient surges and lightninginduced overvoltages. With a maximum discharge capacity of 40kA, this protector effectively safeguards sensitive lowvoltage electrical equipment from damage caused by lightning strikes and electrical surges. The product meets international standards for surge protective devices and is particularly suitable for applications where reliable lowvoltage DC system protection is required.

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Key Features and Advantages

The device features a standardized discharge current of 20kA, ensuring consistent performance under repeated surge conditions. Its T2 classification confirms compliance with international standards for surge protection equipment, specifically designed to handle indirect lightning effects and switching surges in electrical distribution systems. The 24VDC rating makes it ideal for various lowvoltage DC applications where precise surge protection is essential.

The threepole configuration provides complete protection for positive, negative, and ground lines, ensuring comprehensive system protection. The red plastic housing offers excellent electrical insulation properties and high visibility for easy identification in electrical enclosures. Integrated thermal protection automatically disconnects the unit during overload conditions, while a clear visual status indicator allows for quick assessment of the device's operational condition.

Application Scenarios

This protective device is particularly suitable for industrial control systems, including PLCs, sensors, and automation equipment operating at 24VDC. It provides essential protection for security and surveillance systems, access control systems, and emergency lighting systems. The unit is also appropriate for telecommunications equipment, base station power systems, and lowvoltage DC power supplies in various electronic devices.

Additional applications include protection for automotive testing equipment, laboratory instruments, and lowvoltage power distribution systems. The device is also used in renewable energy systems, particularly in monitoring and control circuits of solar power installations. Its compact design and reliable performance make it suitable for both indoor and sheltered outdoor applications when properly enclosed.

Technical Specifications

Maximum discharge current: 40kA (8/20μs)

Standard discharge current: 20kA (8/20μs)

Type: T2

Rated voltage: 24VDC

Protection Level: ≤4.0kV

Housing material: Plastic (UL94 V0 compliant)

Housing color: Red

Response time: <25ns

Operating temperature range: -45°C to +80°C

Connection method: Screw terminals

Mounting: DIN rail (35mm)

Status indication: Visual indicator

Standards compliance: IEC 6164311

Protection degree: IP20

Performance Characteristics

The device maintains stable performance characteristics throughout its service life, demonstrating consistent surge handling capability under various environmental conditions. The design emphasizes reliability and safety, incorporating features that ensure proper operation in lowvoltage DC systems. The product meets relevant international standards for surge protective devices, providing assurance of quality and performance for electrical system protection applications. The red housing provides both safety visibility and easy identification in complex electrical panels, while the compact design allows for efficient use of space in control cabinets and distribution boxes.