1500VDC T2 level 3-pole surge protector, maximum discharge capacity 40kA

This advanced three-pole surge protector is designed for ultra-high voltage (UHV) 1500VDC electrical systems, providing comprehensive protection against lightning strikes and transient overvoltages. The device's durable red plastic housing ensures excellent electrical insulation while remaining highly visible and easily identifiable within electrical cabinets. Its maximum current capacity of 40kA, meeting T2 rating, provides reliable performance for critical applications requiring surge protection. The three-pole configuration provides comprehensive system protection for positive, negative, and ground conductors, making it ideal for harsh industrial environments.

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Key features and benefits

This device utilizes advanced protection technology and features a standard discharge current of 20kA, ensuring consistent performance under normal operating conditions. Its T2 rating meets international standards for handling the effects of indirect lightning strikes and switching surges. Its 1500VDC voltage rating makes it ideal for ultra-high voltage applications in renewable energy systems and industrial power distribution. An integrated thermal protection system automatically disconnects the device in the event of an overload, enhancing safety, while a visual status indicator provides immediate operational feedback.

The three-pole design provides superior protection compared to traditional two-pole devices, ensuring comprehensive coverage of all critical channels. The red plastic housing offers excellent mechanical strength and flame retardancy, while the DIN rail mounting system facilitates installation. Screw terminal connections ensure secure and reliable wiring, while a wide operating temperature range of - 45°C to +85°C makes it suitable for a variety of applications.

Application Scenarios

This surge protector is primarily designed for utility-scale photovoltaic systems, protecting solar inverters, combiner boxes, and monitoring equipment from lightning surges. Industrial applications include protecting high-voltage motor drives, programmable logic controllers, and automation systems in manufacturing environments. The device is also suitable for applications requiring ultra-high voltage DC protection, such as electric vehicle charging infrastructure, telecommunications power systems, and data center backup power.

Other applications include railway electrification systems, mining equipment power supplies, and specialized industrial processes. The device is suitable for both indoor and outdoor sheltered installations, offering flexible use in a variety of environmental conditions. Building management systems and critical infrastructure applications also benefit from the reliable surge protection it provides.

Technical Specifications

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

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

Type classification: T2 (Class II)

Rated voltage: 1500VDC

Number of poles: 3P

Housing material: Plastic (compliant with UL94 V0 standard)

Response time: <25 nanoseconds

Operating temperature range: -45°C to +85°C

Connection method: screw terminal

Mounting type: DIN rail (35mm standard)

Status indication: Visual indicator

Compliant standards: IEC 61643-11

Protection level: IP20

Performance characteristics

The device maintains stable performance characteristics throughout its service life, providing consistent surge protection under a wide range of operating conditions. Designed with reliability and safety in mind, it incorporates features to ensure proper operation in ultra-high voltage DC systems. This product complies with all relevant international surge protector standards, ensuring quality and performance in electrical system protection applications. The combination of superior technology and practical design features makes this surge protector an ideal choice for protecting 1500VDC electrical systems from transient overvoltages.