Product Features
The G20-B+C/7 Type 1+2 surge protective device combines Class I and Class II protection, effectively guarding electrical installations from direct lightning strikes and induced surges. Built with high-quality metal oxide varistors (MOVs), it ensures fast response time and excellent durability. Its modular DIN rail design allows easy installation and maintenance.
Technical Parameters
Rated voltage: 230/400V AC; discharge current (Imax): 7kA; nominal discharge current (In): 3.5kA; protection level (Up): ≤1.5kV. Equipped with thermal disconnection and fault indication for safety. Compact size fits standard 35mm DIN rails for seamless integration into electrical panels.
| Parameter | Specification |
|---|---|
| Product Series | G20-B+C/7 |
| Type | Type 1+2 Surge Protective Device |
| Max Continuous Operating Voltage (Uc) | 280V, 320V, 385V, 440V, 600V |
| Nominal Discharge Current (In) | 7kA |
| Max Discharge Current (Imax) | 14kA |
| Lightning Impulse Current (Iimp) | 7kA |
| Voltage Protection Level (Up) | Approx. 1.5kV to 2.5kV |
| Response Time | ≤ 25ns |
| Operating Temperature Range | -40°C to +80°C |
| Degree of Protection | IP20 |
| Installation | 35mm DIN rail acc. to EN 60715 |
| Features | Innovative tripping and breaking technology, plug-in design, status indication, easy replacement without interrupting operation |
| Certifications | CE, RoHS, CQC |
Application
This combined Type 1 and Type 2 surge protector is ideal for residential, commercial, and industrial power distribution systems. Commonly used in switchboards, control cabinets, and renewable energy installations to protect sensitive devices and ensure operational reliability.
Why Choose Us
We offer certified surge protective devices with stable performance and competitive pricing. With fast production, OEM customization, and rich export experience, we guarantee reliable delivery and long-term supply for global partners.
FAQ
What surge current ratings does the G20-B+C/7 series support?
This series supports nominal discharge currents ranging from 7kA, suitable for moderate surge protection needs in power systems.
What standards and certifications do these devices meet?
The devices comply with EN 61643-11 and IEC 61643-11 standards, along with CE, RoHS, and CQC certifications, ensuring safety and environmental compliance.
What is the response time of these surge protectors?
The response time is approximately 25 nanoseconds, allowing rapid protection against transient surges.
What is the maximum continuous operating voltage?
The series supports continuous operating voltages up to 600V AC, suitable for various low-voltage power systems.
How is the operational status indicated?
Visual indicators show green for normal operation and red for faults, facilitating easy maintenance.
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