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Miniature Circuit Breakers (MCBs)
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2CCS864017R155
ABB 2CCS864017R155 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 4-pole (4P) 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 415 V. 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. The rated impulse voltage (Uimp) is 8 kV, indicating its capability to withstand transient overvoltages.
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2CCS863017R825
ABB 2CCS863017R825 is a Miniature Circuit Breaker (MCB) designed with screw-clamp connections and a rated current of 100A. It complies with UL489 design standards. This MCB features a 3-pole (3P) 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 81 mm and a net width of 82.5 mm. It includes a secondary current labeled as "Z" and is capable of handling up to 415 V with a number of Normally Closed (NC) circuits.
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2CCS863017R905
ABB 2CCS863017R905 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 3-pole (3P) configuration. The MCB has a rated impulse voltage (Uimp) of 8 kV, a rated insulation voltage (Ui) of 690 V, and a control voltage (AC) for DIN rail mounting. Its dimensions include a net height of 81 mm, a net width of 82.5 mm, and a communication protocol width of 95 mm. It is designed for 10,000 operations and supports a supply voltage of 415 V. The MCB includes protection functions and is capable of 10,000 operations, with a secondary current specification labeled as "Z."
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2CCS863017R907
ABB 2CCS863017R907 is a Miniature Circuit Breaker (MCB) designed with screw-clamp connections and a rated current of 90A. It complies with UL489 design standards. The MCB features a 3-pole (3P) configuration and offers protection functions up to 690V. Its rated insulation voltage (Ui) is 415V, and it has a rated impulse voltage (Uimp) of 8kV. The net dimensions include a height of 81mm and a width of 82.5mm, suitable for DIN rail mounting. The control voltage operates on AC, and the supply voltage supports up to 10,000 operations. This MCB does not specify analog outputs or secondary current details but mentions a number of Normally Closed (NC) circuits and a communication protocol width of 95mm.
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2CCS863017R707
ABB 2CCS863017R707 is a Miniature Circuit Breaker (MCB) designed with screw-clamp connections and a rated current of 70A. It complies with UL489 design standards. This MCB features a 3-pole (3P) configuration and offers protection functions up to 690V with a rated insulation voltage (Ui) of 415V. It has a net height of 81 mm, a net width of 82.5 mm, and supports a control voltage for DIN rail mounting. The device is capable of 10,000 operations and is designed for a supply voltage of up to 10,000 operations. It does not specify analog outputs but mentions a secondary current labeled as "K."
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2CCS863017R705
ABB 2CCS863017R705 is a Miniature Circuit Breaker (MCB) designed with screw-clamp connections and a rated current of 70A. It complies with UL489 design standards. This MCB features a 3-pole (3P) configuration and offers protection functions up to 690V, with a rated insulation voltage (Ui) of 415V. It is designed for DIN rail mounting and has a control voltage for AC operations. The device's dimensions include a net height of 81 mm, a net width of 82.5 mm, and it supports a communication protocol width of 95 mm. The MCB is engineered for up to 10,000 operations, indicating its mechanical endurance.
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2CCS863017R805
ABB 2CCS863017R805 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 3-pole (3P) configuration and offers protection functions up to 690V. 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 81 mm and a width of 82.5 mm, suitable for DIN rail mounting. The control voltage for AC operations is specified for 415 V environments, and it is designed for up to 10,000 operations.
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2CCS863017R637
ABB 2CCS863017R637 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 3-pole (3P) 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 81 mm and a width of 82.5 mm, supporting a communication protocol width of 95 mm. The device is engineered for up to 10,000 operations and is equipped to handle a supply voltage of 415 V. It does not specify the number of Normally Closed (NC) circuits or provide details on analog outputs or secondary current specifications beyond the operations count.
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2CCS863017R605
ABB 2CCS863017R605 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 3-pole (3P) configuration and offers protection functions up to 690V, with a rated insulation voltage (Ui) of 415V. It has a net height of 81 mm, a net width of 82.5 mm, and supports a control voltage for DIN rail mounting. The device is rated for 10,000 operations and is equipped to handle a rated impulse voltage (Uimp) of 8 kV.
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2CCS863017R627
ABB 2CCS863017R627 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 3-pole (3P) 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 81 mm, and it supports a communication protocol width of 95 mm. The secondary current and analog outputs are also rated for 10,000 operations.
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2CCS863017R587
ABB 2CCS863017R587 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 3-pole (3P) configuration and offers protection functions up to 690V. The rated insulation voltage (Ui) is 415V, and it has a rated impulse voltage (Uimp) of 8kV. The net dimensions include a height of 81mm and a width of 82.5mm, suitable for DIN rail mounting. The control voltage (AC) and supply voltage are designed for 10,000 operations. It does not specify analog outputs but mentions a secondary current of K, indicating a focus on primary circuit protection.
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2CCS863017R577
ABB 2CCS863017R577 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 3-pole (3P) configuration and offers protection functions for up to 690V. It has a rated insulation voltage (Ui) of 415V and is capable of withstanding an impulse voltage (Uimp) of 8kV. The dimensions include a net height of 81mm, a net width of 82.5mm, and it is designed for DIN rail mounting. The control voltage (AC) and supply voltage are designed for 10,000 operations. It does not specify analog outputs but mentions a secondary current labeled as "K."
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2CCS863017R557
ABB 2CCS863017R557 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 3-pole (3P) configuration and offers protection functions up to 690V, with a rated insulation voltage (Ui) of 415V. It has a net height of 81mm, a net width of 82.5mm, and supports a control voltage for DIN rail mounting. The rated impulse voltage (Uimp) is 8kV, indicating its capability to withstand high-voltage spikes. The supply voltage is rated for 10,000 operations, matching the durability of its analog outputs. Additionally, it includes a secondary current specification of K, although the exact value is not specified.
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2CCS863017R527
ABB 2CCS863017R527 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 3-pole (3P) 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 81 mm, a net width of 82.5 mm, and a communication protocol width of 95 mm.
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2CCS863017R517
ABB 2CCS863017R517 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 3-pole (3P) 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 at 415 V. The breaker is capable of 10,000 operations and includes a secondary current specification of K. Its dimensions include a net height of 8 kV, a rated impulse voltage (Uimp) of 81 mm, and a net width of 82.5 mm.
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2CCS863017R505
ABB 2CCS863017R505 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 3-pole (3P) 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 net height and width are 8 kV and 81 mm, respectively, with a communication protocol width of 95 mm. It also specifies a secondary current and analog outputs, both rated for 10,000 operations.
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2CCS863017R487
ABB 2CCS863017R487 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 3-pole (3P) 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 net height and width are 8 kV and 81 mm, respectively, indicating its compact size for efficient use of space. Additionally, it supports a communication protocol of 95 mm and has a rated impulse voltage (Uimp) of 82.5 mm. The secondary current and analog outputs are also rated for 10,000 operations, ensuring a robust performance for various applications.
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2CCS863017R457
ABB 2CCS863017R457 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 3-pole (3P) configuration and offers protection functions up to 690V with a rated insulation voltage (Ui) of 415V. The device is suitable for DIN rail mounting and has a net height of 81 mm, a net width of 82.5 mm, and supports a control voltage (AC) for operation. It is designed for 10,000 operations and includes a communication protocol width of 95 mm, a rated impulse voltage (Uimp) of 8 kV, indicating its capability to withstand high-voltage spikes.
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2CCS863017R427
ABB 2CCS863017R427 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 3-pole (3P) 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 81 mm, a net width of 82.5 mm, and a communication protocol width of 95 mm.
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2CCS863017R405
ABB 2CCS863017R405 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 3-pole (3P) configuration and offers protection functions up to 690V. It has a rated insulation voltage (Ui) of 415V and is capable of withstanding an impulse voltage (Uimp) of 8kV. The dimensions include a net height of 81mm, a net width of 82.5mm, and it is designed for DIN rail mounting. The control voltage (AC) and supply voltage are designed for 10,000 operations, indicating its durability and operational lifespan.
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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.