Mutai New DC SPD: Advanced Surge Protection for PV and DC Systems

Short Description:

Mutai DC SPD is designed for PV and DC systems, featuring a modern compact design, high surge protection up to 40kA, fast response, and reliable safety performance.

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Product Details

Mutai’s new DC Surge Protection Device (SPD) is a high-performance protection solution designed for photovoltaic (PV) systems and DC electrical applications. With a newly upgraded modern appearance, the product is available in red and white color options, while maintaining the same reliable electrical performance.

Max. PV voltage (d.c.) (Ucpv )	300V	500V	600V	800V	1000V		1500V
Nominal discharge current(8/20us)In	20kA
Maximum discharge current (8/20us)Imax	40kA
Total lighting current(8/20 µs) DC+,DC-→PE (Imax) Itotal	2P:80kA 3P:120kA
Voltage Protection Level Up	≤1.5kV	≤2.5kV	≤2.5kV	≤3.2kV	≤3.6kV	≤4.0kV	≤4.5kV
Response time ta	<25ns
Degree of protection	IP20
Range of operating temperatures	-40℃~+80℃
Approvals,certification	TUV/CB/CE/IEC/ROHS
Protection Class	IP20

What Does an SPD Do?

A Surge Protection Device (SPD) is an electrical protection device used to protect equipment from sudden voltage surges and transient overvoltage.

In daily operation, electrical systems may face voltage spikes caused by:

1.Lightning strikes
2.Grid switching operations
3.Equipment startup and shutdown
4.Power system disturbances

When an abnormal surge occurs, the SPD quickly directs the excess voltage and surge current safely to the grounding system, limiting the voltage level and protecting connected equipment from damage.

Common applications include

1.Solar photovoltaic systems
2.Energy storage systems
3.DC power distribution systems
4.Industrial electrical equipment
5.Commercial electrical installations

Maintenance

For the operation of the surge protector device, it is necessary to regularly check the working status of the protection module indication window. Green means normal, red means fault. If a fault is found, the protection module should be replaced immediately.

Application

Surge protective device are electronic devices specially designed to protect various electronic equipment, instrumentation and communication lines. Because external interference can cause peak currents or voltages in circuits or communication lines, surge protectors can quickly conduct and shunt current in a very short period of time to prevent other equipment in the circuit from being damaged by the surge.

About us

Mutai Group is a manufacturer and supplier specializing in circuit breakers, contactors,surge protective device and dual power automatic transfer switches (ATS), with more than ten years of manufacturing and sales experience. Our factory has advanced equipment, exquisite production technology and reliable product quality. As a well-known wholesaler, we are dedicated to providing our customers with high-quality products and professional services. We sincerely look forward to cooperating with you and developing together.