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Miniature Circuit Breakers (MCBs)
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2CCS881017R627
ABB 2CCS881017R627 is a Miniature Circuit Breaker (MCB) designed with screw-clamp connections and a rated current of 80A. It complies with UL489 design standards. This MCB features a net height of 8 kV and a rated impulse voltage (Uimp) of 27 mm, with a net width for a 1-pole (1P) configuration 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, with a rated voltage (AC) for phase-to-phase connections at 240 V. The analog outputs also support 10,000 operations, and it includes a secondary current designated as K.
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2CCS881017R605
ABB 2CCS881017R605 is a Miniature Circuit Breaker (MCB) designed with screw-clamp connections and a rated current of 60A. It complies with UL489 design standards and features a 1-pole (1P) configuration. The MCB has a rated impulse voltage (Uimp) of 8 kV, a rated insulation voltage (Ui) of 690 V, and a rated voltage (AC) phase-to-phase of 240 V. It is designed for DIN rail mounting and has a net height of 27 mm, a net width of 82.5 mm, and supports a control voltage (AC) with a supply voltage endurance of 10,000 operations.
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2CCS881017R587
ABB 2CCS881017R587 is a Miniature Circuit Breaker (MCB) designed with screw-clamp connections and a rated current of 60A. It complies with UL489 design standards. This MCB features a 1-pole (1P) configuration and offers protection functions at 690 V. It has a rated insulation voltage (Ui) of 82.5 mm and operates with a control voltage that accommodates DIN rail mounting. The supply voltage is rated for 10,000 operations, and it has a rated voltage (AC) for phase-to-phase connections at 240 V. The device also supports 10,000 operations for its analog outputs. The net height and width of the MCB are 8 kV and 27 mm, respectively, indicating its compact size for efficient use in various applications.
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2CCS881017R577
ABB 2CCS881017R577 is a Miniature Circuit Breaker (MCB) designed with screw-clamp connections and a rated current of 50A. It complies with UL489 design standards and features a 1-pole (1P) configuration. The MCB has a rated impulse voltage (Uimp) of 8 kV, a rated insulation voltage (Ui) of 690 V, and a net width of 27 mm. It is designed for DIN rail mounting and has a net height of 82.5 mm. The control voltage operates on AC, with a supply voltage supporting up to 10,000 operations. The rated voltage (AC) for phase-to-phase connections is 240 V, and it also supports 10,000 operations for its analog outputs. The secondary current is denoted by 'K'.
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2CCS881017R557
ABB 2CCS881017R557 is a Miniature Circuit Breaker (MCB) designed with screw-clamp connections and a rated current of 40A. It complies with UL489 design standards. This MCB features a 1-pole (1P) configuration, with a net height of 8 kV and a rated impulse voltage (Uimp) of 27 mm. The net width is specified as 82.5 mm, indicating its compact size for DIN rail mounting. It offers protection functions up to 690 V and has a rated insulation voltage (Ui) of 82.5 mm. The control voltage operates on AC, and it is designed for up to 10,000 operations. The rated voltage (AC) for phase-to-phase connections is 240 V. It also specifies 10,000 operations as its durability for analog outputs, with a secondary current designated as K.
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2CCS881017R517
ABB 2CCS881017R517 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 1-pole (1P) configuration, with a rated impulse voltage (Uimp) of 8 kV, and a rated insulation voltage (Ui) of 690 V. The net dimensions include a height of 82.5 mm and a width of 27 mm, suitable for DIN rail mounting. It is designed for a control voltage (AC) environment and supports a supply voltage for up to 10,000 operations. The rated voltage (AC) for phase-to-phase connections is 240 V, and it also supports 10,000 operations for analog outputs. The secondary current is denoted by 'K'.
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2CCS881017R527
ABB 2CCS881017R527 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 1-pole (1P) configuration, with a net height of 8 kV and a rated impulse voltage (Uimp) of 27 mm. The net width is specified as 82.5 mm, indicating its compact size for DIN rail mounting. It offers protection functions up to 690 V and has a rated insulation voltage (Ui) of 82.5 mm. The control voltage operates on AC, and it is designed for up to 10,000 operations. The rated voltage (AC) for phase-to-phase connections is 240 V. This model also specifies 10,000 operations as its durability for analog outputs, with a secondary current designated as K.
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2CCS881017R487
ABB 2CCS881017R487 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 1-pole (1P) 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 27 mm. The device is suitable for DIN rail mounting and has a control voltage for AC. It supports a supply voltage for up to 10,000 operations and a rated voltage (AC) - phase-to-phase of 240 V. The net height and width of the MCB are 8 kV and 82.5 mm, respectively, indicating its compact size for easy installation.
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2CCS881017R505
ABB 2CCS881017R505 is a Miniature Circuit Breaker (MCB) designed with screw-clamp connections and a rated current of 50A. It complies with UL489 design standards. This MCB features a 1-pole (1P) 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 27 mm. The net dimensions include a height of 8 kV and a width of 82.5 mm, suitable for DIN rail mounting. The control voltage operates on AC, and the supply voltage supports up to 10,000 operations. The rated voltage (AC) for phase-to-phase connections is 240 V, and it also supports 10,000 operations as its analog output capacity. The secondary current is denoted by 'Z'.
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2CCS881017R427
ABB 2CCS881017R427 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 1-pole (1P) configuration. The MCB has a rated impulse voltage (Uimp) of 8 kV, a rated insulation voltage (Ui) of 690 V, and a net width of 27 mm. It is designed for DIN rail mounting and has a control voltage for AC operations. The supply voltage supports up to 10,000 operations, with a rated voltage (AC) for phase-to-phase connections at 240 V. The device also supports 10,000 operations for its analog outputs, and it has a secondary current designated as "K". The net height of the MCB is 82.5 mm, indicating its compact size for easy installation in various applications.
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2CCS881017R457
ABB 2CCS881017R457 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 1-pole (1P) configuration, with a rated impulse voltage (Uimp) of 8 kV, and a rated insulation voltage (Ui) of 690 V. The net dimensions include a height of 82.5 mm and a width of 27 mm, indicating its compact size suitable for DIN rail mounting. It operates with a control voltage (AC) and has a supply voltage durability of 10,000 operations. The rated voltage (AC) phase-to-phase is 240 V, and it also supports 10,000 operations as its analog output capacity. The secondary current is denoted by 'K', emphasizing its specific application in electrical circuit protection.
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2CCS881017R405
ABB 2CCS881017R405 is a Miniature Circuit Breaker (MCB) designed with screw-clamp connections and a rated current of 40A. It complies with UL489 design standards and features a 1-pole (1P) configuration. The MCB has a rated impulse voltage (Uimp) of 8 kV, a rated insulation voltage (Ui) of 690 V, and a rated voltage (AC) phase-to-phase of 240 V. It is designed for DIN rail mounting and has a net height of 27 mm, a net width of 82.5 mm, and supports a control voltage (AC) for operation. The supply voltage is rated for 10,000 operations, mirroring its analog outputs' durability.
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2CCS881017R255
ABB 2CCS881017R255 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 1-pole (1P) configuration, with a rated impulse voltage (Uimp) of 8 kV and a rated insulation voltage (Ui) of 690 V. The net dimensions include a height of 82.5 mm and a width of 27 mm, suitable for DIN rail mounting. It is designed for a control voltage (AC) environment and supports a supply voltage leading to 10,000 operations. The rated voltage (AC) for phase-to-phase connections is 240 V, and it also supports 10,000 operations as its analog output capacity.
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2CCS881017R305
ABB 2CCS881017R305 is a Miniature Circuit Breaker (MCB) designed with screw-clamp connections and a rated current of 30A. It complies with UL489 design standards and features a 1-pole (1P) configuration. The MCB has a rated impulse voltage (Uimp) of 8 kV and a rated insulation voltage (Ui) of 690 V. Its dimensions include a net height of 82.5 mm and a net width of 27 mm, suitable for DIN rail mounting. The control voltage operates on AC, and it is designed for a supply voltage that supports up to 10,000 operations. The rated voltage (AC) for phase-to-phase connections is 240 V. This MCB also includes protection functions and is capable of 10,000 operations, with a secondary current designated as Z.
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2CCS881017R205
ABB 2CCS881017R205 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 1-pole (1P) configuration, with a rated impulse voltage (Uimp) of 8 kV and a rated insulation voltage (Ui) of 690 V. The net dimensions include a height of 82.5 mm and a width of 27 mm, suitable for DIN rail mounting. It is designed for a control voltage (AC) environment and supports a supply voltage for up to 10,000 operations. The rated voltage (AC) phase-to-phase is 240 V, and it also specifies 10,000 operations as its analog outputs capacity.
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2CCS881017R105
ABB 2CCS881017R105 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 1-pole (1P) configuration. The MCB has a rated impulse voltage (Uimp) of 8 kV, a rated insulation voltage (Ui) of 690 V, and a rated voltage (AC) phase-to-phase of 240 V. Its dimensions include a net height of 82.5 mm, a net width of 27 mm, and it is suitable for DIN rail mounting. The control voltage operates on AC, and it is designed for up to 10,000 operations.
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2CCS881017R155
ABB 2CCS881017R155 is a Miniature Circuit Breaker (MCB) designed with screw-clamp connections and a rated current of 15A. It complies with UL489 design standards. The device features a net height of 8 kV and a rated impulse voltage (Uimp) of 27 mm, with a net width for a 1-pole (1P) configuration of 82.5 mm. 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 and is designed for a control voltage (AC) environment. It supports a supply voltage for up to 10,000 operations and has a rated voltage (AC) - phase-to-phase of 240 V. The analog outputs also support 10,000 operations.
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2CCS864017R907
ABB 2CCS864017R907 is a Miniature Circuit Breaker (MCB) designed with screw-clamp connections and a rated current of 90A. It complies with UL489 design standards and features a 4-pole (4P) 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. It is capable of 10,000 operations, indicating its mechanical endurance. The net dimensions include a height of 106 mm, a width of 82.5 mm, and it supports a communication protocol width of 95 mm. This part is designed for a supply voltage of 415 V and includes protection functions for its application environment.
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2CCS864017R905
ABB 2CCS864017R905 is a Miniature Circuit Breaker (MCB) designed with screw-clamp connections and a rated current of 90A. It complies with UL489 design standards and features a 4-pole (4P) 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. It supports a supply voltage of 415 V and is capable of 10,000 operations. The net dimensions include a height of 106 mm, a width of 82.5 mm, and it utilizes a communication protocol width of 95 mm. This part also includes protection functions and is designed for a secondary current labeled as "Z."
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2CCS864017R825
ABB 2CCS864017R825 is a Miniature Circuit Breaker (MCB) designed with screw-clamp connections and a rated current of 100A. It complies with UL489 design standards and features a 4-pole (4P) 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. It is capable of 10,000 operations and supports a supply voltage of 415 V. The dimensions include a net height of 106 mm, a net width of 82.5 mm, and a communication protocol width of 95 mm.
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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.