CDM3LT RCD Circuit Breaker

- Product Name: Residual Current Operated Circuit Breaker
- Product Model: CDM3LT-125/250
- Standard: GB/T14048.2 IEC 60947-2
- Certificates: CCC、CQC
- Rated Voltage Ue(V): 400/415
- Rated insulation voltage Ui(V): 800
- Frequency (Hz): 50
- Number Pole: 4(A,B)
- Rated impulse withstand voltage Uimp(kV): 8
Overview
CDM3LT RCD circuit breaker provides stable electrical protection for industrial, commercial, civil buildings, temporary electricity consumption of infrastructure and other places. Residual Current Operated Circuit Breaker is used to distribute electrical energy, protect lines and power equipment from overload, short circuit, leakage and other faults.
About our company
Kemus is a leading provider of electrical switchgear and electronic components. Our products include circuit breakers, surge protectors, DC disconnect switch, 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
CDM3LT RCD Circuit Breaker
The new CDM3LT series RCD plastic-case circuit breaker products are suitable for rated operating voltage AC400/415V, rated current 16-250A AC circuit. CDM3LT RCD is a high quality, transparent and visible product.
Residual current device small figure, new trend, make safety visible.
CDM3LT RCD Circuit Breaker Advantage
(1) RCD Breaking visibility: Imported PC material, high transparency, breakpoint clearly visible.
(2) RCD Safe and reliable: Clamshell design, the industry’s first double shell transparent MCCB, double insulation, rated residual operating current minimum 30mA, non-delay residual current breaking time <0.1s
(3) RCD Wide application: impact resistance, corrosion resistance, high flame retardant, can be suitable for the harsh working environment on the site.
CDM3LT RCD Circuit Breaker
CDM3LT RCD Circuit Breaker work environment:
(1) This product protection class is IP20
(2) This product pollution level is 3
(3) Rated operating voltage 400/415V
CDM3LT RCD Circuit Breaker installation conditions:
(1) The altitude of the installation site does not exceed 2000m. If the altitude exceeds 2000m, please lower the capacity
(2) Allowable ambient temperature -25 ° C to +70 ° C: The relative humidity (when the ambient temperature is 25 ° C) is less than 95%, and the average temperature for 24 hours does not exceed 35 ° C
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 36 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? Under the premise that the user complies with the use and storage conditions and the product seal is intact, the company is responsible for free repair or replacement if the product is damaged or cannot be used normally due to manufacturing quality problems within thirty-six months from the date of production. If the warranty period is exceeded, repair shall be paid.
- What is the application field for CDM3LT RCD circuit breaker? CDM3LT RCD provides stable electrical protection for industrial, commercial, civil buildings, temporary electricity consumption of infrastructure and other places.
- What is the function for CDM3LT RCD circuit breaker? It is used to distribute electrical energy, protect lines and power equipment from overload, short circuit, leakage and other faults.