CDW9 Intelligent ACB Breaker

- Product Name: CDW9 Intelligent ACB Breaker
- Sectional Grade: N&H
- Rated Current: 400A-6300A
- Poles: 3P, 4P
- Rated Frequency: 50/60 Hz
- Certificate: CCC CQC CE KEMA
- Frame Grade: 1600N 2000N 2000H 2500N 2500H 3200N 3200H 4000N 4000H 6300N
- Rated Voltage: AC220V/230V/240V/380V/400V/415V/440V/480V/500V/ 525V/550V/660V/690V
- Installation Mode: Fixed and drawer type
Overview
CDW9 series universal ACB breaker rated current from 630A to 8000A, rated working voltage AC 400V/415V,690V,1140V, suitable for AC 50Hz/60Hz, mainly used in power distribution network, used to distribute power, protect lines and power equipment, from overload, undervoltage, short circuit, short circuit, power supply, power supply, power supply, power supply, power supply, power supply, power supply, power supply and power supply. Hazards such as single-phase grounding faults.
Kemus is a leading provider of electrical switchgear and electronic components. Our products include ACB breaker, 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
CDW9 Intelligent ACB Breaker Application Field
The CDW9 ACB breaker can be widely used in power stations, factories, mines and modern high-rise buildings, especially in the distribution system of intelligent buildings.
CDW9 ACB Breaker Standard :GB/T14048.2 IEC/EN 60947-2
CDW9 Intelligent ACB Breaker Drawer Type And Fixed Type
CDW9 Drawer Type CDW9 Fixed Type

CDW9 ACB Air Circuit Breaker
CDW9 Intelligent ACB Breaker Structure
CDW9 Intelligent ACB Breaker Maintenance Operations
1 Each rotating part should be injected with lubricating oil regularly during use.
2 Should be regularly maintained, clear dust, to maintain the insulation level of the circuit breaker.
3 The contact system should be checked regularly, especially after each short circuit break, and the content should be checked:
① The flame marks on the two walls of the arc extinguishing chamber are clear, whether the arc extinguishing wall is broken, and whether the arc extinguishing grid plate is burned seriously should be replaced in time according to the situation.
② Whether the contact is good, contact thickness ≤1mm, need to be sent to the manufacturer to replace the contact.
③ Check whether the ACB breaker connecting parts are loose.
④ After the ACB breaker fails to break, the controller can light indicate the cause of the fault, the power is still a memory function, after the power is returned, click the “fault check” key on the control panel, you can indicate the information of the last fault trip, such as the occurrence of a new fault to clear the past fault memory, retain the new fault memory.
Note: The simulated power failure of the test state will not be remembered. After the check, press the “reset” button to make the controller enter the normal state.
Electrical products more information, such as product selection manual, product drawing, welcome to contact us, look forward to win-win cooperation
ACB Air Circuit Breaker Series
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.
- 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.
- How long is the ACB warranty period? Within thirty-six months from the production date of the company, under the normal storage and transportation, maintenance and use conditions of the customer, due to the manufacturing quality problems of the product can not be used normally, to provide "three guarantees service".