China Molded Case Circuit Breaker Manufacturers, Suppliers, Factory
The Molded Case Circuit Breaker (MCCB) is a type of circuit breaker used to protect electrical circuits and equipment from excessive current. It is a device designed to interrupt the flow of electrical current when it exceeds a certain threshold, thereby preventing damage to the circuit and the connected devices.
MCCBs are typically used in low-voltage applications, such as residential, commercial, and industrial installations. They are capable of handling higher currents compared to other types of circuit breakers, making them suitable for protecting larger electrical systems.
Here are some key features and characteristics of Molded Case Circuit Breakers:
Construction: MCCBs consist of a molded case, which is a protective housing made of insulating materials such as plastic or fiberglass. The case contains the internal components of the circuit breaker, including the trip mechanism, current-carrying contacts, and thermal or magnetic trip units.
Current Ratings: MCCBs are available in a wide range of current ratings, typically from a few amps to several thousand amps. The current rating represents the maximum current the MCCB can handle before it trips and interrupts the circuit.
Trip Units: MCCBs have different types of trip units that provide protection against different types of faults. The two common types of trip units are thermal and magnetic. Thermal trip units respond to overcurrent conditions caused by long-duration, moderate overloads. Magnetic trip units are more sensitive and respond to short-duration, high-current faults.
Adjustable Trip Settings: MCCBs often come with adjustable trip settings, allowing users to set the desired current level at which the circuit breaker should trip. This feature allows for customization based on the specific requirements of the electrical system.
Breaking Capacity: The breaking capacity of an MCCB refers to its ability to safely interrupt the flow of current. It is typically specified in terms of short-circuit current rating (SCCR), which indicates the maximum level of fault current the MCCB can handle without sustaining damage.
Accessories and Features: MCCBs can have additional features and accessories such as shunt trips, auxiliary contacts, undervoltage releases, and lockout/tagout mechanisms, which enhance their functionality and provide additional control and safety options.
Molded Case Circuit Breakers are widely used in electrical distribution systems to ensure the protection of circuits and equipment from overcurrent conditions. They offer reliable and adjustable protection, making them an essential component in electrical installations.
MCCBs are typically used in low-voltage applications, such as residential, commercial, and industrial installations. They are capable of handling higher currents compared to other types of circuit breakers, making them suitable for protecting larger electrical systems.
Here are some key features and characteristics of Molded Case Circuit Breakers:
Construction: MCCBs consist of a molded case, which is a protective housing made of insulating materials such as plastic or fiberglass. The case contains the internal components of the circuit breaker, including the trip mechanism, current-carrying contacts, and thermal or magnetic trip units.
Current Ratings: MCCBs are available in a wide range of current ratings, typically from a few amps to several thousand amps. The current rating represents the maximum current the MCCB can handle before it trips and interrupts the circuit.
Trip Units: MCCBs have different types of trip units that provide protection against different types of faults. The two common types of trip units are thermal and magnetic. Thermal trip units respond to overcurrent conditions caused by long-duration, moderate overloads. Magnetic trip units are more sensitive and respond to short-duration, high-current faults.
Adjustable Trip Settings: MCCBs often come with adjustable trip settings, allowing users to set the desired current level at which the circuit breaker should trip. This feature allows for customization based on the specific requirements of the electrical system.
Breaking Capacity: The breaking capacity of an MCCB refers to its ability to safely interrupt the flow of current. It is typically specified in terms of short-circuit current rating (SCCR), which indicates the maximum level of fault current the MCCB can handle without sustaining damage.
Accessories and Features: MCCBs can have additional features and accessories such as shunt trips, auxiliary contacts, undervoltage releases, and lockout/tagout mechanisms, which enhance their functionality and provide additional control and safety options.
Molded Case Circuit Breakers are widely used in electrical distribution systems to ensure the protection of circuits and equipment from overcurrent conditions. They offer reliable and adjustable protection, making them an essential component in electrical installations.
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630A Electric Circuit Breaker
Saide® is the leading 630A Electric Circuit Breaker manufacturer in the market. With over 25 years of experience in the electrical industry, we offer quality products at the most competitive prices. Our MCCB is used in residential, commercial, and industrial electrical projects.
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250A Electric Circuit Breaker
Saide® SDM6 Series 250A Electric Circuit Breaker is the company's comprehensive use of international advanced technology design and development and obtained a number of patents of new products, with small SDM6, modular, high break, double breakpoints, 0 of flying arc, green environmental protection and other characteristics. Suitable for AC 50Hz, 60Hz, rated operating voltage 690V and below, rated current 12.5Ato 1600A distribution network, used to distribute electrical energy and protection lines and power supply equipment from overload, short circuit and undervoltage failure hazards. It can also be used as a non-frequent conversion of the line under normal conditions and in the infrequent start of the motor.
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600A Thermal Magnetic Molded Case Circuit Breaker
Saide® 600A Thermal Magnetic Molded Case Circuit Breaker is commonly used in larger-scale electrical systems where high currents are present. It can be found in commercial and industrial applications such as power distribution systems, switchgear, electrical panels, motor control centers, and other heavy-duty installations.
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250A Thermal Magnetic Molded Case Circuit Breaker
Saide® SDM6 250A Thermal Magnetic Molded Case Circuit Breaker equips with intelligent controller as well, which not only makes its current adjustable but also grants protection against overload (long delay), short-circuit(short delay), short- circuit(instantaneous) & undervoltage, it'll certainly improve the entire power system's reliability, continuity &security.
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Adjustable Thermal Magnetic Circuit Breaker
Saide® adjustable thermal magnetic circuit breaker is a type of electrical protection device used in power distribution systems and electrical panels. It combines the features of both thermal and magnetic circuit breakers to provide reliable overcurrent protection.
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600A Thermal Magnetic Double Knob Molded Case Circuit Breaker
Saide® SDM6 600A Thermal Magnetic Double Knob Molded Case Circuit Breaker protect cables sized for 100A to 1600 A. Their highest breaking capacities allow them to protect also smaller cables, when connected close to a powerful energy source. As one pillar of digitally connected power distributions (EcoStruxure Power), SDM6 breakers take part in energy consumption and asset management optimization. Benefit from 25 years of technological leadership, and rely on proven quality, opted for even in most demanding environments.
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Saide has been producing Molded Case Circuit Breaker for many years and is one of the professional high quality Molded Case Circuit Breaker manufacturers and Suppliers in China. We have our own factory. Products with cheap price or low price is of high quality. Customers are satisfied with our products and excellent service. We sincerely look forward to becoming your reliable long-term business partner!
