CDYN Surge Protector SPD

- Product Name: Surge Protector SPD
- Product Model: CDYN
- Frequency: AC 50Hz/60Hz
- Working Voltage: 230V (phase voltage)
- Number of poles: 1P, 2P, 3P, 4P, 1P+N, 3P+N
- Standard: GB/T 18802.1, IEC 61643-11
- Degree of protection: IP20
Overview
CDYN series surge protectors are mainly used in single-phase/three-phase power distribution systems with AC 50Hz/60Hz and rated voltage 230V/400V.
About our company
Kemus is a leading provider of electrical switchgear and electronic components. Our products include circuit breakers, surge protectors, disconnect switches, contactors, relays, and indicators for voltage and fault detection.
Kemus insists on a comprehensive quality assurance system, ensuring our products meet global standards for safety and reliability.
Product Description
CDYN Surge Protector SPD
CDYN Surge Protective Device are used to suppress transient overvoltages, discharge surge energy, and prevent or mitigate damage to equipment caused by transient overvoltages caused by lightning strikes or operations.
CDYN Surge Protector SPD advantages:
(1) Selection of high-quality chips, stable and reliable performance
(2) Built-in thermal disengaging device, more assured use
(3) No power frequency continuous flow, fast response speed
(4) Passed the GB/T 18802.1 conformity assessment of Shanghai Lightning Protection Center
CDYN Surge Protector SPD product features:
(1) The surge protector impact current of class I+II limp is 12.5kA, 15kA, 25kA
(2) The maximum discharge current of Class II lmax is 20kA-160kA
(3) Class III built-in backup protection, easier selection, more convenient installation
(4) The maximum continuous working voltage of Uc is 440V
CDYN SPD Surge Protective Device Application
(1) Class I+II SPD is mainly used for surge protection of the main inlet cabinet of the low-voltage distribution system
(2) Class II SPD is mainly used for surge protection of distribution boxes in low-voltage distribution systems.
(3) Class III SPD is mainly used for surge protection of the terminal distribution box
Technical Parameter 1
- Product Model: CDYN
- Product or Component Type: Surge Protector SPD
- Network Type: AC
- Rated Current [In]: 50Hz/60Hz
- Working Voltage: 230V (phase voltage)
- Number of Protected Poles: 1P, 2P, 3P, 4P, 1P+N, 3P+N
- IP Degree of Protection: IP20
Why Choose Kemus
Kemus Company Products Superiority




– High reliability: They responsible for protecting lines and equipment in the power system, which itself has high reliability and anti-interference, and can effectively protect the normal operation of the power system.
– High flexibility: They can be adjusted and controlled according to actual needs, with high flexibility and operability, and can adapt to different power system needs.
– Easy maintenance: If an electronic component fails, it can quickly replace the failed component;
– Supply Ability: Our company spirit of “all the pursuit of high quality, customer satisfaction for the purpose”, to provide customers with the most favorable prices, the most thoughtful service and the most reliable product quality.
– Original Country Technology: Our products incorporate cutting-edge technology sourced directly from the countries of origin, guaranteeing the latest advancements in electrical safety.
– Quality Assurance: Every products our company provide has a 100% passing rate in quality checks, reflecting our commitment to excellence and reliability in every unit.
Application Fields






Kemus Power Technology Cooperative Brand












Cooperate with us, you will get
Kemus is a leading provider of electrical switchgear and electronic components. Our electronic products reflect our commitment to ensuring reliability and adherence to global safety standards, marked by certifications such as UL/CUL, VDE, COC, and CCC. Kemus insists on a comprehensive quality assurance system, ensuring our products meet global standards for safety and reliability.
- Direct factory price
- Quality quaranteed
- Supply stability
- Delivery on time
- Thoughtful service
- More options from us
- Professional introduction and advice
- Small size and weight, save space
- Modular design reduces installation difficulty
- Removable, replaceable, easy to maintain and repair
- Reduce maintenance costs and time costs
- Reduce power system losses
- High flexibility and maneuverability
- As technology advances, it is easy to upgrade
Products Packing & Delivery



Kemus Electrical Product FAQ
- What is the customer you work with? We work with famous brands such as: Enel, SMA, JCI, GE, Honeywell, United Technologies, SGCC, Sinopec, China GuoDian, Power China, China Post, ZiJin Minning and so on.
- How does Kemus ensure the quality? Kemus Products have passed CCC, CB, TUV, CQC, CE, UKCA certification.
- Can I get samples from your company? Yes, Samples can be provided. International freight at your own expense.
- How long is the disconnector warranty period? Kemus most of the products warranty period is 18 months.
- What is your lead time? Normal within 10 days. It depends on detail items and quantity.
- If products have some quality problem, how would you deal with? Our company will responsible for all the quality problems.
- What is the number of poles CDYN SPD? 1P, 2P, 3P, 4P, 1P+N, 3P+N
- What is the Standard of CDYN SPD? GB/T 18802.1, IEC 61643-11