Order by 2pm for free next working day delivery on orders over £50 (inc VAT)
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next working day delivery on orders over £50 (inc VAT)
MCCBs - Moulded Case Circuit Breakers
MCCB
What is an MCCB?
An MCCB (Moulded Case Circuit Breaker) is a type of circuit protection device designed to safeguard electrical circuits against overloads and short circuits.
It consists of a moulded case housing the internal components, including the trip mechanism and contacts.
How Does an MCCB Work?
MCCBs automatically disconnect the electrical circuit when it experiences an overload or short circuit.
The internal trip mechanism detects abnormal currents and triggers the MCCB to trip, interrupting the flow of electricity and preventing damage to the circuit.
What is the Difference Between MCB and MCCB?
While both MCBs (Miniature Circuit Breakers) and MCCBs provide circuit protection, they mainly differ in terms of capacity.
MCBs are designed for low-voltage circuits with lower current ratings, typically used in residential and light commercial installations.
On the other hand, MCCBs are suitable for higher current ratings and are usually found in industrial and commercial settings.
What is the Difference Between MCCB and RCCB?
MCCBs and RCCBs (Residual Current Circuit Breakers) serve different functions in electrical systems.
While MCCBs protect against overloads and short circuits, RCCBs are specifically designed to detect and disconnect circuits in the event of a residual current fault, such as an earth leakage.
When Should You Use an MCCB?
MCCBs are ideal where reliable protection is needed against overloads and short circuits.
They’re commonly deployed in industrial plants, commercial buildings, data centres, and vital infrastructure to ensure the safety of electrical systems.
Why is My MCCB Tripping?
MCCBs may trip due to various reasons, including overload conditions, short circuits, or faults within the electrical system.
Overloading occurs when the current exceeds the MCCB's rated capacity for an extended period, while short circuits result from a direct connection between live conductors.
Regular maintenance and inspection of electrical systems can help identify issues causing an MCCB to trip.
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£84.93 ex VATOriginal price £101.92 - Original price £101.92Original price£101.92 inc VAT£101.92 - £101.92Current price £101.92 inc VATABB 1SDA050920R1 MCCB T1N160TMD63 TP 63A 36KA Adjustable Thermal Fixed Magnetic
ABBIn stock£84.93 ex VATOriginal price £101.92 - Original price £101.92Original price£101.92 inc VAT£101.92 - £101.92Current price £101.92 inc VAT -
£95.33 ex VATOriginal price £0.00 - Original price £0.00Original price £0.00£114.40 inc VAT£114.40 - £114.40Current price £114.40 inc VAT
Schneider C10N1TM063 Merlin MCCB 63A 25KA
SchneiderOut of stockComPacT NSX100N AC/DC 1P
£95.33 ex VATOriginal price £0.00 - Original price £0.00Original price £0.00£114.40 inc VAT£114.40 - £114.40Current price £114.40 inc VATSold out
MCCB
What is an MCCB?
An MCCB (Moulded Case Circuit Breaker) is a type of circuit protection device designed to safeguard electrical circuits against overloads and short circuits.
It consists of a moulded case housing the internal components, including the trip mechanism and contacts.
How Does an MCCB Work?
MCCBs automatically disconnect the electrical circuit when it experiences an overload or short circuit.
The internal trip mechanism detects abnormal currents and triggers the MCCB to trip, interrupting the flow of electricity and preventing damage to the circuit.
What is the Difference Between MCB and MCCB?
While both MCBs (Miniature Circuit Breakers) and MCCBs provide circuit protection, they mainly differ in terms of capacity.
MCBs are designed for low-voltage circuits with lower current ratings, typically used in residential and light commercial installations.
On the other hand, MCCBs are suitable for higher current ratings and are usually found in industrial and commercial settings.
What is the Difference Between MCCB and RCCB?
MCCBs and RCCBs (Residual Current Circuit Breakers) serve different functions in electrical systems.
While MCCBs protect against overloads and short circuits, RCCBs are specifically designed to detect and disconnect circuits in the event of a residual current fault, such as an earth leakage.
When Should You Use an MCCB?
MCCBs are ideal where reliable protection is needed against overloads and short circuits.
They’re commonly deployed in industrial plants, commercial buildings, data centres, and vital infrastructure to ensure the safety of electrical systems.
Why is My MCCB Tripping?
MCCBs may trip due to various reasons, including overload conditions, short circuits, or faults within the electrical system.
Overloading occurs when the current exceeds the MCCB's rated capacity for an extended period, while short circuits result from a direct connection between live conductors.
Regular maintenance and inspection of electrical systems can help identify issues causing an MCCB to trip.
