CNKA is a prominent manufacturer and supplier of single-pole 40-amp AC circuit breakers in China. We provide wholesale services for these breakers at competitive prices, backed by professional and dedicated customer support. At CNKA, we are committed to delivering high-quality products that ensure peace of mind for our customers. We aim to advance in the industry by collaborating with our clients to contribute to a better world. Contact us today to learn more about our products and services.
CNKA single pole 40 amp ac circuit breaker Introduction
China manufacturers CNKA's latest stock of single-pole 40-amp AC circuit breakers is an electrical safety device designed to protect low-voltage circuits from overcurrent damage, including overloads and short circuits. Common types of low-voltage circuit breakers include fuse-less circuit breakers, molded case circuit breakers (MCCBs), and miniature circuit breakers (MCBs). For higher capacity applications, air circuit breakers (ACBs) are also used. The single-pole 40-amp AC circuit breaker can manually open and close circuits and automatically disconnect faulty circuits, thereby safeguarding equipment and preventing fire risks. In Europe and America, these circuit breakers come in various current levels and are categorized into molded case circuit breakers and miniature circuit breakers.
CNKA single pole 40 amp ac circuit breaker Parameter (Specification)
Product Model
NBT1-63
Pole
1P
2P
3P
4P
Rated Current (A)
6,10,16,20,25,32,40,50,63
Rated Voltage (V)
230/400
400
400
400
Breaking Capacity(kA)
6
Colour
White and transparent
Characteristic Curve
C
Working Temperature
-5℃~+40℃
Enclosed Class
IP20
Standard
IEC60898-1
Frequency
50/60Hz
Electrical Life
Not lessthan 8000 times
Mechanical Life
Not less than 20000 times
CNKA single pole 40 amp ac circuit breaker Structure
When the handle is pulled up, the circuit is closed, allowing current to flow. If the circuit experiences an overload or short circuit, the breaker will automatically trip to prevent damage. After addressing the circuit issue, you must press the handle down and then pull it up again to reset the circuit breaker and restore power. Without this reset, the circuit will not be powered on.
CNKA single pole 40 amp ac circuit breaker Details
CNKA single pole 40 amp ac circuit breaker Dimensions and wiring
CNKA single pole 40 amp ac circuit breaker FAQ
Q: What causes an AC breaker to trip?
A: An AC breaker typically trips due to a short circuit, excessive load on the AC system, or a faulty or malfunctioning component.
Q: Can I replace a 15-amp breaker with a 20-amp breaker?
A: Although it is technically possible to upgrade from a 15-amp breaker to a 20-amp breaker without an electrician's assessment, it is not recommended. Simply replacing the breaker because it frequently trips may lead to potential electrical hazards, including the risk of an electrical fire. Always consult with a licensed electrician before making any changes to your electrical system.
Hot Tags: Single Pole 40 Amp Ac Circuit Breaker, China, Manufacturer, Supplier, Factory
If you have any enquiry about quotation or cooperation, please feel free to email or use the following inquiry form. Our sales representative will contact you within 24 hours.
We use cookies to offer you a better browsing experience, analyze site traffic and personalize content. By using this site, you agree to our use of cookies.
Privacy Policy