Filters
Miniature Circuit Breakers (MCBs)
part#
description
manufacturer
2CCS863017R255
ABB 2CCS863017R255 is a Miniature Circuit Breaker (MCB) designed with screw-clamp connections and a rated current of 25A. 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 dimensions include a net height of 81 mm, a net width of 82.5 mm, and a communication protocol width of 95 mm. The device is engineered for 10,000 operations and supports a supply voltage of 415 V. It does not specify analog outputs or secondary current details but mentions the number of Normally Closed (NC) circuits as part of its protection functions.
ABB Control
Quick Quote
2CCS863017R305
ABB 2CCS863017R305 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 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 MCB'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 rated impulse voltage (Uimp) is 8 kV, indicating its capability to withstand high-voltage spikes. It is engineered for up to 10,000 operations, ensuring longevity and durability in its performance.
ABB Control
Quick Quote
2CCS863017R155
ABB 2CCS863017R155 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 82.5 mm. It is designed for DIN rail mounting and has a control voltage for AC applications. The supply voltage is rated for 10,000 operations, and it also supports 10,000 operations for its analog outputs. The secondary current is denoted as Z, indicating specific characteristics of the breaker related to its performance or application.
ABB Control
Quick Quote
2CCS862017R907
ABB 2CCS862017R907 is a Miniature Circuit Breaker (MCB) designed with screw-clamp connections and a rated current of 90A. 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 a secondary current of K. The rated impulse voltage (Uimp) is 8 kV, with a net height of 54 mm and a net width of 95 mm, indicating its physical dimensions for installation purposes.
ABB Control
Quick Quote
2CCS863017R205
ABB 2CCS863017R205 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 net dimensions include a height of 8 kV, a width of 81 mm, and it supports a communication protocol width of 95 mm. Additionally, it is capable of 10,000 operations with analog outputs and a secondary current labeled as "Z."
ABB Control
Quick Quote
2CCS863017R105
ABB 2CCS863017R105 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. The net dimensions include a height of 81 mm and a width of 82.5 mm, with 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 analog outputs and a secondary current labeled as "Z."
ABB Control
Quick Quote
2CCS862017R905
ABB 2CCS862017R905 is a Miniature Circuit Breaker (MCB) designed with screw-clamp connections and a rated current of 90A. 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 net height and width are 8 kV and 54 mm, respectively, with a rated impulse voltage (Uimp) of 95 mm. It also supports a secondary current labeled as "Z" and is capable of 10,000 operations for its analog outputs.
ABB Control
Quick Quote
2CCS862017R825
ABB 2CCS862017R825 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 2-pole (2P) 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 MCB's dimensions include a net height of 82.5 mm, a net width of 54 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. It is engineered for up to 10,000 operations, showcasing its durability and longevity in electrical circuit protection.
ABB Control
Quick Quote
2CCS862017R805
ABB 2CCS862017R805 is a Miniature Circuit Breaker (MCB) designed with screw-clamp connections and a rated current of 80A. 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. It supports a supply voltage of 415 V and is capable of 10,000 operations. The net dimensions include a height of 54 mm and a width of 82.5 mm, indicating its compact size for efficient use in electrical circuits.
ABB Control
Quick Quote
2CCS862017R707
ABB 2CCS862017R707 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 2-pole (2P) configuration and offers protection functions up to 690V. The rated insulation voltage (Ui) is specified at 415V. It is designed for DIN rail mounting and has a control voltage for AC operations. The device is capable of 10,000 operations and supports a secondary current labeled as "K." The net dimensions include a height of 8 kV, a rated impulse voltage (Uimp) of 54 mm, and a net width of 82.5 mm.
ABB Control
Quick Quote
2CCS862017R637
ABB 2CCS862017R637 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 communication protocol width of 95 mm. The MCB has a net height of 8 kV and a rated impulse voltage (Uimp) of 54 mm, with a net width accommodating 2-poles (2P). It offers protection functions up to 690 V and a rated insulation voltage (Ui) of 82.5 mm. This model is suitable for DIN rail mounting and is designed for a control voltage (AC) environment, with a supply voltage capability of 10,000 operations. It includes a number of Normally Closed (NC) circuits rated at 415 V and supports analog outputs for 10,000 operations, with a secondary current designated as K.
ABB Control
Quick Quote
2CCS862017R705
ABB 2CCS862017R705 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 2-pole (2P) 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 82.5 mm and a width of 54 mm, suitable for DIN rail mounting. The control voltage (AC) and supply voltage are designed for 10,000 operations. It does not specify the presence of analog outputs or secondary current details beyond the mention of "Z."
ABB Control
Quick Quote
2CCS862017R627
ABB 2CCS862017R627 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 2-pole (2P) 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 54mm 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 the number of Normally Closed (NC) circuits or provide details on analog outputs or secondary current explicitly related to the provided data.
ABB Control
Quick Quote
2CCS862017R587
ABB 2CCS862017R587 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 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 dimensions include a net height of 54 mm, a net width of 82.5 mm, and it supports a communication protocol width of 95 mm. The breaker is designed for 10,000 operations and is capable of handling a supply voltage of 415 V. It also includes features for protection functions and has the capacity for 10,000 operations with analog outputs and a secondary current designated as "K".
ABB Control
Quick Quote
2CCS862017R605
ABB 2CCS862017R605 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 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 rated impulse voltage (Uimp) of 54 mm, and a net width of 95 mm.
ABB Control
Quick Quote
2CCS862017R577
ABB 2CCS862017R577 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 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 and analog outputs also support 10,000 operations, with a secondary current designated as K.
ABB Control
Quick Quote
2CCS862017R527
ABB 2CCS862017R527 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 systems. 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 dimensions include a height of 8 kV, a rated impulse voltage (Uimp) of 54 mm, and a net width of 95 mm. It is specified for 10,000 operations with analog outputs and a secondary current designated as "K."
ABB Control
Quick Quote
2CCS862017R557
ABB 2CCS862017R557 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 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 rated impulse voltage (Uimp) of 54 mm, and a net width of 82.5 mm.
ABB Control
Quick Quote
2CCS862017R505
ABB 2CCS862017R505 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 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 at 415 V, and it is capable of 10,000 operations. The net dimensions include a height of 8 kV, a rated impulse voltage (Uimp) of 54 mm, and a net width of 95 mm. It also includes a specification for the number of Normally Closed (NC) circuits and analog outputs, both rated for 10,000 operations, with a secondary current designated as Z.
ABB Control
Quick Quote
2CCS862017R405
ABB 2CCS862017R405 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 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 specification for AC systems. 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 rated impulse voltage (Uimp) of 54 mm, and a net width of 95 mm. It is specified for 10,000 operations with secondary current labeled as Z.
ABB Control
Quick Quote
Items per page:
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.