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MCCBs

MCCBs are commonly referred to as Moulded Case Circuit Breakers and are operated electronically by using a switch to keep a secure electrical circuit from being damaged, typically caused by overvoltage and current. The consequences would be a short circuit or overheating.

Enrgtech offers a wide selection of high-caliber products from renowned manufacturers, including Siemens, Schneider Electric, ABB, and Eaton. With the help of our products, you can meet the needs of all your electrical systems and needs for energy distribution with trustworthy circuit protection. A wide range of molded case circuit breakers is available, each with a different current rating, voltage rating, and breaking capacity.

How Does It Function?

The basic job of a molded case circuit breaker is to interfere with the current flow when a fault is caused in the circuit. Once the flaw is rectified, the circuit breaker can be repaired either traditionally or dynamically to restart the workflow of the system. 

MCB  vs MCCB

  • MCBs and Moulded Case Circuit Breakers are both circuit breakers, although key differences still exist that characterize them as compatible with a relative task. The fundamental distinction between the two is the capacity; MCBs have an interrupting rating of fewer than 18,000 amps and a rating of under 100 amps. As a result, the trip characteristics might not be changed because they are designed for low circuits.
  • At the same time, an MCCB is made available with compatibility trip features for loads that practice higher potential applications. Depending on the application, an MCCB might offer amps as high as 2500 or as low as 10. The range of Moulded Case Circuit Breakers' interrupting ratings is from 10,000 amps to 200,000 amps.

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3VA1120-6EF42-0AA0, Siemens
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£ 331.59
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3VA1140-5EE46-0AA0, Siemens
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£ 304.01
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3VA1225-4GF42-0AA0, Siemens
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£ 797.04
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3VA2040-5HL36-0AA0, Siemens
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£ 367.59
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3VA2140-5HN32-0AA0, Siemens
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£ 661.10
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3VA2163-5HN46-0AA0, Siemens
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£ 657.27
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3VA2463-5KP42-0AA0, Siemens
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£ 2486.51
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259085 NZMN1-A100, Eaton
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£ 385.51
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1SDA100459R1 XT5S630 TMA630-6300 4pFF N, ABB
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£ 1789.76
1SDA054021R1, ABB
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£ 1035.62
1SDA054029R1, ABB
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£ 1513.57
1SDA054076R1, ABB
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£ 1491.72
1SDA054078R1, ABB
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£ 1847.95
1SDA054109R1, ABB
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£ 1888.08
1SDA054127R1, ABB
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1SDA054136R1, ABB
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£ 2509.34
1SDA054328R1, ABB
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£ 2200.71
1SDA054330R1, ABB
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£ 2623.87
1SDA054331R1, ABB
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£ 2501.26
1SDA054338R1, ABB
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£ 2122.60
1SDA054356R1, ABB
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£ 2434.71
1SDA054357R1, ABB
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£ 2512.64
1SDA054361R1, ABB
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£ 2842.85
1SDA054379R1, ABB
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£ 3179.11
1SDA054387R1, ABB
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£ 2890.06
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New Items
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1SDA067713R1, ABB

1SDA067713R1, ABB

The ABB Moulded case circuit breaker Tmax XT2V comes with 4 poles. It has front terminals and thermomagnetic release type. It comes with rated uninterrupted current of 160A. Rated Current (In): 160 A Rated frequency (f): 50/60 Hz Rated voltage (Ur): 690 V Rated impulse withstand voltage (Uimp): 8 kV
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1SDA067728R1, ABB

1SDA067728R1, ABB

The ABB generator protection moulded case circuit-breaker with 4-pole has front terminals and thermomagnetic(TMG) release. It is rated for 690 Vac operational voltage and 20 A current (In). This circuit breaker has 1000 V (Ui) insulation voltage rating and 8 kV impulse withstand voltage (Uimp). Fixed circuit breaker Setting range: 14 to 20 A Short circuit performance level: N Release type: TM
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1SDA067564R1, ABB

1SDA067564R1, ABB

The ABB Moulded case circuit breaker Tmax XT2S comes with 4 poles. It has front terminals and thermomagnetic release type. It comes with rated uninterrupted current of 160A. Rated current (In):3.2 A Rated frequency (f): 50/60 Hz Rated voltage (Ur): 690 V Rated impulse withstand voltage (Uimp): 8 kV
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1SDA067613R1, ABB

1SDA067613R1, ABB

The ABB Moulded case circuit breaker Tmax XT2H comes with 4 poles. It has front terminals and thermomagnetic release type. It comes with rated uninterrupted current of 160A. Rated current (In):10 A Rated frequency (f): 50/60 Hz Rated voltage (Ur): 690 V Rated impulse withstand voltage (Uimp): 8 kV
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265723 & NZMN2-M125, Eaton

265723 & NZMN2-M125, Eaton

EATON NZM2 MCCB Series MCCBs, otherwise known as molded case circuit breakers, are devices that offer protection to motors, transformers, generators, and other equipment or systems. The NZM2 range from EATON offers compact breakers with 4 frame sizes and multiple installation and connection options. Available with thermal-magnetic and electronic tripping technology, they feature adjustable time selectivity and earth fault protection. With the option of on-board diagnostics and data logging on some models, for monitoring of critical circuits without the need for additional hardware. Discrete relay outputs available for high load warnings at 70%, 100% and 120%. EATON's NZM range also features circuit breaker accessories, and IEC switch disconnectors offering a broad portfolio of products. Features and Benefits: • 3 and 4 pole versions available • 15A to 1600A amperage rating available • Multiple installation and connection types available • Easy fitting of undervoltage and shunt strips • Diverse range of settings • Tripping in milliseconds • Circuit protection Applications: Ideal for panel builders, automation, engineering, and machinery OEMs. MCCBs offer overload protection from damage of excess current, overloads and short circuit, essential for motors, power generators, transformers, and other electrical equipment. Standards IEC/EN 60204; IEC/EN 60947; VDE 0660
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259140 & PN1-63, Eaton

259140 & PN1-63, Eaton

Main Switch Disconnectors Manual switch type Rated voltage 690Vac PN1 and PN2 switches cannot be operated remotely PN1 type dimensions H145 x D68 x W90mm PN2 type dimensions H184 x D103 x W105mm
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LV426157, Schneider Electric

LV426157, Schneider Electric

Compact Nsxm Is The Smallest Size Molded Case Circuit Breaker (MCCB) In The Compact Nsx Range. With Its Convenient Design, It Can Easily Accommodate Applications From 16 To 160 A. Available With Integrated Earth Leakage Protection. Circuit Breaker Compact Nsxm 100a 3p 16ka At 380/415v Compression Lug
FAQs
We offer free shipping for orders over £200 if delivery is in the UK. All other orders in the UK, shipping from £7.99 depending on the weight and measurement. Mainland Europe shipping charges start from £25. For all other countries shipping charges start from £50 for products like MCCBs and all others.
You can email us directly at sales@enrgtech.co.uk or via our website for any queries regarding MCCBs or any other product.
This depends on the MCCBs individual product and information that can be found on our website.
Yes, we offer special discounts on orders above £200 for MCCBs and all other products.
UK orders normally take between 2/3 working days. International orders normally take between 3/5 working days for all products including MCCBs.
Yes. We keep updating our stock frequently and if a product like MCCBs is not in stock then we will let you know.