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Miniature Circuit Breakers (MCBs)
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2CCS862017R427
ABB 2CCS862017R427 is a Miniature Circuit Breaker (MCB) designed with screw-clamp connections and a rated current of 10A. It complies with UL489 design standards and features a 2-pole (2P) configuration. The MCB has a rated impulse voltage (Uimp) of 8 kV, a rated insulation voltage (Ui) of 690 V, and a control voltage for DIN rail mounting. Its net dimensions include a height of 54 mm and a width of 82.5 mm, indicating its compact size for efficient use of space. The breaker is engineered for 10,000 operations, supporting a supply voltage of 415 V. It does not specify communication protocols but mentions a secondary current characteristic of "K," suggesting a focus on basic protection functions without advanced connectivity features.
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2CCS862017R457
ABB 2CCS862017R457 is a Miniature Circuit Breaker (MCB) designed with screw-clamp connections and a rated current of 15A. It complies with UL489 design standards. This MCB features a 2-pole (2P) configuration and offers protection functions up to 690V with a rated insulation voltage (Ui) of 82.5 mm. It is designed for DIN rail mounting and has a control voltage for AC operations. The supply voltage is rated for 10,000 operations, and it includes a number of Normally Closed (NC) circuits at 415V. The net dimensions include a height of 8 kV, a width of 54 mm, and it supports a communication protocol width of 95 mm. The rated impulse voltage (Uimp) is specified at 2-poles (2P), and it is capable of 10,000 operations with analog outputs and a secondary current designated as K.
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2CCS862017R487
ABB 2CCS862017R487 is a Miniature Circuit Breaker (MCB) designed with screw-clamp connections and a rated current of 20A. It complies with UL489 design standards and features a communication protocol width of 95 mm. The net height of the MCB is 8 kV, with a rated impulse voltage (Uimp) of 54 mm, and a net width accommodating 2-poles (2P). It offers protection functions up to 690 V and has a rated insulation voltage (Ui) of 82.5 mm. This MCB is suitable for DIN rail mounting, has a control voltage for AC circuits, and a supply voltage capacity of 10,000 operations. It includes a number of Normally Closed (NC) circuits rated at 415 V and supports 10,000 operations with analog outputs. The secondary current is denoted by 'K'.
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2CCS862017R517
ABB 2CCS862017R517 is a Miniature Circuit Breaker (MCB) designed with screw-clamp connections and a rated current of 25A. It complies with UL489 design standards. This MCB features a 2-pole (2P) configuration and offers protection functions up to 690V with a rated insulation voltage (Ui) of 415V. It has a net height of 8 kV, a rated impulse voltage (Uimp) of 54 mm, and a net width of 82.5 mm. The control voltage operates on a DIN rail, and it is designed for 10,000 operations. The supply voltage supports 10,000 operations, and it includes secondary current labeled as "K."
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2CCS862017R305
ABB 2CCS862017R305 is a Miniature Circuit Breaker (MCB) designed with screw-clamp connections and a rated current of 30A. It complies with UL489 design standards. This MCB features a 2-pole (2P) configuration and offers protection functions up to 690V with a rated insulation voltage (Ui) of 82.5 mm. It is designed for DIN rail mounting and has a control voltage for AC operations. The supply voltage is rated for 10,000 operations, and it also supports 10,000 operations for its analog outputs. The rated impulse voltage (Uimp) is 8 kV, with a net height of 54 mm and a net width of 82.5 mm. It includes a secondary current labeled as "Z" and has a number of Normally Closed (NC) circuits rated for 415 V.
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2CCS862017R205
ABB 2CCS862017R205 is a Miniature Circuit Breaker (MCB) designed with screw-clamp connections and a rated current of 20A. It complies with UL489 design standards. This MCB features a 2-pole (2P) configuration and offers protection functions up to 690V with a rated insulation voltage (Ui) of 82.5 mm. It is designed for DIN rail mounting and has a control voltage for AC operations. The supply voltage is rated for 10,000 operations, and it includes a number of Normally Closed (NC) circuits at 415V. The device's communication protocol is specified at 95 mm, with a net height of 8 kV and a rated impulse voltage (Uimp) of 54 mm. The net width is detailed as 82.5 mm, and it also specifies 10,000 operations for its analog outputs, with a secondary current denoted as "Z".
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2CCS248365R0001
ABB 2CCS248365R0001 is a Miniature Circuit Breaker (MCB) designed with ring tongue terminal connections. It has a rated current of 80A and a rated voltage of 600Vdc, compliant with UL489 standards. This 4-pole (4P) MCB features a net height of 106 mm, a net width of 82.5 mm, and is designed for DIN rail mounting. It has a rated impulse voltage (Uimp) of 8 kV, a rated insulation voltage (Ui) of 1500 V, and is capable of 10,000 operations. The control voltage is specified as AC, and it supports a communication protocol with a dimension of 142 mm.
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2CCS862017R255
ABB 2CCS862017R255 is a Miniature Circuit Breaker (MCB) designed with screw-clamp connections and a rated current of 25A. It complies with UL489 design standards. This MCB features a 2-pole (2P) configuration and offers protection functions up to 690 V. It has a rated insulation voltage (Ui) of 82.5 mm and a rated impulse voltage (Uimp) of 8 kV. The net dimensions include a height of 54 mm and a width of 82.5 mm, suitable for DIN rail mounting. The control voltage (AC) and supply voltage are specified for 415 V operations, with a durability of 10,000 operations. It does not specify analog outputs but mentions a secondary current labeled "Z."
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2CCS862017R105
ABB 2CCS862017R105 is a Miniature Circuit Breaker (MCB) designed with screw-clamp connections and a rated current of 10A. It complies with UL489 design standards. This MCB features a 2-pole (2P) configuration and offers protection functions up to 690 V with a rated insulation voltage (Ui) of 82.5 mm. It is designed for DIN rail mounting and has a control voltage (AC) specification suitable for 415 V applications. The device supports a supply voltage for up to 10,000 operations and includes the same endurance for its analog outputs. The net dimensions include a height of 8 kV, a rated impulse voltage (Uimp) of 54 mm, and a net width of 95 mm, indicating its compact size for efficient use in various applications.
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2CCS862017R155
ABB 2CCS862017R155 is a Miniature Circuit Breaker (MCB) designed with screw-clamp connections and a rated current of 15A. It complies with UL489 design standards. This MCB features a 2-pole (2P) configuration and offers protection functions up to 690 V. It has a rated insulation voltage (Ui) of 82.5 mm and a rated impulse voltage (Uimp) of 8 kV. The net dimensions include a height of 54 mm and a width of 82.5 mm, suitable for DIN rail mounting. The control voltage for AC operations is specified for 415 V applications, and it is designed for 10,000 operations. It does not specify the presence of analog outputs or secondary current details beyond the mention of "Z."
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2CCS248364R0001
ABB 2CCS248364R0001 is a Miniature Circuit Breaker (MCB) designed with ring tongue terminal connections. It has a rated current of 70A and a rated voltage of 600Vdc, compliant with UL489 standards. This 4-pole (4P) MCB features a net height of 106 mm, a net width of 82.5 mm, and is designed for DIN rail mounting. It has a rated impulse voltage (Uimp) of 8 kV, a rated insulation voltage (Ui) of 1500 V, and is capable of 10,000 operations. The control voltage is specified for AC applications, and it supports a secondary current designated as UC-Z.
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2CCS248363R0001
ABB 2CCS248363R0001 is a Miniature Circuit Breaker (MCB) designed with ring tongue terminal connections. It has a rated current of 60A and a rated voltage of 600Vdc, compliant with UL489 standards. The device features a 4-pole (4P) configuration and is suitable for DIN rail mounting. It offers a rated impulse voltage (Uimp) of 8 kV, a rated insulation voltage (Ui) of 1500 V, and is capable of 10,000 operations. The dimensions include a net height of 106 mm, a net width of 82.5 mm, and a communication protocol width of 142 mm.
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2CCS248361R0001
ABB 2CCS248361R0001 is a Miniature Circuit Breaker (MCB) designed with ring tongue terminal connections. It has a rated current of 40A and a rated voltage of 600Vdc, compliant with UL489 standards. The device features a 4-pole (4P) design, ensuring comprehensive circuit protection. It has a rated impulse voltage (Uimp) of 8 kV and a rated insulation voltage (Ui) of 1500 V. The MCB's dimensions include a net height of 106 mm, a net width of 82.5 mm, and it is designed for DIN rail mounting. The control voltage is specified for AC applications, and it is built to withstand up to 10,000 operations, indicating its durability and longevity in electrical circuits.
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2CCS248362R0001
ABB 2CCS248362R0001 is a Miniature Circuit Breaker (MCB) designed with ring tongue terminal connections. It has a rated current of 50A and a rated voltage of 600Vdc, compliant with UL489 standards. This 4-pole (4P) MCB features a rated impulse voltage (Uimp) of 8 kV, a rated insulation voltage (Ui) of 1500 V, and is designed for DIN rail mounting. The dimensions include a net height of 106 mm, a net width of 82.5 mm, and a communication protocol width of 142 mm. It is engineered for 10,000 operations, indicating its mechanical endurance.
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2CCS248360R0001
ABB 2CCS248360R0001 is a Miniature Circuit Breaker (MCB) designed with ring tongue terminal connections. It has a rated current of 30A and a rated voltage of 600Vdc, adhering to UL489 compliance for safety standards. This 4-pole (4P) MCB features a net height of 8 kV, a rated impulse voltage (Uimp) of 106 mm, and a net width of 82.5 mm. It is designed for DIN rail mounting and has a rated insulation voltage (Ui) of 1500 V. The control voltage operates on AC, and it is built to withstand up to 10,000 operations, indicating its durability and longevity in electrical circuit protection.
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2CCS248359R0001
ABB 2CCS248359R0001 is a Miniature Circuit Breaker (MCB) designed with ring tongue terminal connections. It has a rated current of 25A and a rated voltage of 600Vdc, adhering to UL489 design standards. This 4-pole (4P) MCB features a rated impulse voltage (Uimp) of 8 kV, a rated insulation voltage (Ui) of 1500 V, and is suitable for DIN rail mounting. The control voltage is specified as AC, and it is built to withstand up to 10,000 operations. The dimensions include a net height of 106 mm, a net width of 82.5 mm, and it supports a communication protocol with a length of 142 mm.
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2CCS248358R0001
ABB 2CCS248358R0001 is a Miniature Circuit Breaker (MCB) designed with ring tongue terminal connections. It has a rated current of 20A and a rated voltage of 600Vdc, adhering to UL489 design standards. This 4-pole (4P) MCB features a rated impulse voltage (Uimp) of 8 kV, a rated insulation voltage (Ui) of 1500 V, and is capable of 10,000 operations. It is designed for DIN rail mounting, with a net height of 106 mm, a net width of 82.5 mm, and supports a control voltage (AC) with a supply voltage equivalent to 10,000 operations.
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2CCS248357R0001
ABB 2CCS248357R0001 is a Miniature Circuit Breaker (MCB) designed with ring tongue terminal connections. It has a rated current of 15A and a rated voltage of 600Vdc, compliant with UL489 standards. This 4-pole (4P) MCB features a rated impulse voltage (Uimp) of 8 kV, a rated insulation voltage (Ui) of 1500 V, and is designed for DIN rail mounting. The dimensions include a net height of 106 mm, a net width of 82.5 mm, and it supports a control voltage (AC) with a supply voltage endurance of 10,000 operations.
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2CCP824017R1159
ABB 2CCP824017R1159 is a Miniature Circuit Breaker (MCB) designed with ring tongue terminal connections. It has a rated current of 5A and a rated voltage of 600Vdc, compliant with UL489 standards. The MCB features a 4-pole (4P) design and is suitable for DIN rail mounting. It offers a rated impulse voltage (Uimp) of 8 kV, a rated insulation voltage (Ui) of 1500 V, and is capable of 10,000 operations. The dimensions include a net height of 106 mm, a net width of 82.5 mm, and it supports a control voltage for AC applications.
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2CCS248356R0001
ABB 2CCS248356R0001 is a Miniature Circuit Breaker (MCB) designed with ring tongue terminal connections. It has a rated current of 10A and a rated voltage of 600Vdc, adhering to UL489 compliance for safety standards. This 4-pole (4P) MCB features a net height of 106 mm, a net width of 82.5 mm, and is designed for DIN rail mounting. It boasts a rated impulse voltage (Uimp) of 8 kV, a rated insulation voltage (Ui) of 1500 V, and is capable of 10,000 operations. The control voltage is specified for AC applications, and the supply voltage ensures durability for up to 10,000 operations.
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Miniature Circuit Breakers (MCBs)
General Guide & Overview
Welcome to our comprehensive guide on miniature circuit breakers (MCBs). Whether you're an electrical professional or simply interested in understanding the inner workings of your home's electrical system, this article will provide you with all the information you need about MCBs.
MCBs are vital components of electrical systems, offering crucial protection against overloads and short circuits. Unlike traditional fuses, MCBs are automatic switches that respond to changes in current flow. This innovative technology not only enhances safety but also improves convenience for users.
In this guide, we will explore how MCBs work, the different types available, and the advantages they offer. So let's dive in and unlock the mysteries behind these essential electrical devices.
How Does a Miniature Circuit Breaker Work?
A miniature circuit breaker (MCB) is a vital component of an electrical system, designed to protect against overloads and short circuits. Understanding how an MCB works can help you ensure the safety and efficiency of your electrical installations.
MCBs operate by utilizing two types of tripping mechanisms: thermal tripping and magnetic tripping.
Thermal Tripping
Thermal tripping is the primary mechanism in MCBs. It detects and responds to excessive heat caused by an overload in the circuit. Inside the MCB, there is a bimetallic strip made of two different metals with different expansion coefficients. When the current passing through the MCB exceeds its rated capacity, the bimetallic strip heats up, causing the metals to expand at different rates. As a result, the strip bends and activates the trip mechanism, opening the contacts to interrupt the current flow.
Magnetic Tripping
Magnetic tripping is a secondary mechanism in MCBs. It provides rapid protection against short circuits by detecting strong current surges. Inside the MCB, there is an electromagnetic coil surrounding the current-carrying contacts. When a short circuit occurs, an extremely high current flows through the coil, generating a magnetic field that attracts the armature. The armature then trips the mechanism, opening the contacts and isolating the faulty circuit from the power supply.
The integration of both thermal and magnetic tripping mechanisms allows MCBs to provide reliable protection against a wide range of electrical faults. By quickly detecting and responding to abnormal current conditions, MCBs help prevent damage to electrical equipment, reduce the risk of electrical fires, and ensure the uninterrupted supply of electricity.
Advantages and Application of Miniature Circuit Breakers (MCBs)
Miniature circuit breakers (MCBs) provide a host of advantages compared to traditional fuses. One key advantage is their high responsiveness to changes in current flow, enabling swift and effective protection against overloads and short circuits. With MCBs, you can ensure that your electrical system remains safe and reliable.
MCBs are designed with a trip-free switching mechanism that instantly cuts off power in the event of an overload. This feature enhances the safety of your electrical circuits, preventing any potential damage or hazards. Additionally, MCBs are incredibly user-friendly, offering ease of installation and operation.
Another advantage of MCBs is the wide variety of models available, catering to different application requirements. Whether you need a specific current rating, breaking capacity, or fault protection characteristics, there is an MCB type that suits your needs. This flexibility allows for customization and ensures optimal performance, making MCBs a versatile choice for various electrical systems and applications.
FAQ
A miniature circuit breaker (MCB) is an important component of an electrical system that provides protection against overloads and short circuits. Unlike traditional fuses, MCBs are automatic switches that open and close in response to changes in current flow, offering improved safety and convenience.
A miniature circuit breaker (MCB) works by using two types of tripping mechanisms: thermal tripping and magnetic tripping. Thermal tripping responds to excessive heat caused by an overload, while magnetic tripping responds to sudden increases in current flow caused by a short circuit.
Miniature circuit breakers (MCBs) offer several advantages over traditional fuses. They are highly responsive to changes in current flow and provide reliable protection against overloads and short circuits. MCBs are easy to use, with a trip-free switching mechanism that instantly shuts off power in the event of an overload. They also have a wide range of models available, allowing for customization based on specific application requirements.