CDW3 ACB Air Circuit Breaker

- Product Name: ACB Air Circuit Breaker
- Product Model: CDW3
- Rated Current: 400A-6300A
- Poles: 3P, 4P
- Rated Frequency: 50/60 Hz
- Certificate: CCC CQC CE CB KEMA
- Frame Grade: 1000AF、1600AF、2000AF、2500AF、3200AF、4000AF、6300AF
- Rated Voltage: 220V/230V/240V/380V/400V/415V/440V/480V/500V/525V/ 550V/660V/ 690V
Overview
CDW3 ACB series frame circuit breaker has a rated current ranging 400A to 6300A, a rated operating voltage of AC 415V / 690V, suitable for AC 50Hz/60Hz, -40°C~70°C extreme environmental conditions.
It is mainly used in the distribution network to distribute electric energy, protect lines and power equipment from overload, undervoltage, short circuit, single-phase grounding and other faults.
The circuit breaker can be widely used in power stations, factories, mines and modern high-rise buildings, especially in the distribution system of intelligent buildings.
Kemus is a leading provider of electrical switchgear and electronic components. Our products include mini 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
CDW3 ACB shell frames are available in a variety of options
1. Three types of shell frame, such as 1000A F, 1600A F and 4000A F, the current is fully covered from 400A to 4000A, and the minimum current can be adjusted to 160A. It can be applied to various applications where the breaking capacity of the circuit breaker is required to be high, the volume is required to be small, and the wiring bar needs to be converted horizontally and vertically. It is fully applicable to various applications of the same type of products in overseas and domestic markets.
① CDW3 ACB Rated current:
1000AF——400A、630A、800A、1000A
1600AF——400A、630A、800A、 1000A、1250A、1600A
4000AF——630A、800A、1000A、1250A、1600A、2000A、
2500A、3200A、4000A
② CDW3 ACB current from 400A to 4000A full coverage, 3 frame levels, 10 rated current can be selected.
③ CDW3 ACB connection mode: horizontal + vertical + hybrid connection (1600AF, 4000AF)
④ The volume of 1000AF, 1600AF, 4000AF is reduced by 20% compared with similar products, and the expansion space of the cabinet is better
2. There are 2000AF, 2500AF, 3200AF, 6300AF four types of chassis, rated current from 630A to 6300A comprehensive coverage, the minimum current can be adjusted to 250A, breaking performance on the basis of the original comprehensive improvement, they can be applied to various occasions with higher cost performance requirements.
① CDW3 ACB Rated current:
2000AF——630A、800A、1000A、1250A、1600A、2000A
2500AF——630A、800A、1000A、1250A、1600A、2000A、2500A
3200AF——2000A、2500A、3200A
6300AF——4000A、5000A、6300A
② CDW3 ACB current from 630A to 6300A full coverage, 4 frame levels, 11 rated current can be selected.
③ CDW3 ACB connection mode: horizontal connection
CDW3 ACB Air Circuit Breaker improved performance, safe and reliable
CDW3 ACB Air Circuit Breaker Characteristics
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".