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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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3VA1163-3EF36-0AA0, Siemens
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£ 188.88
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3VA1140-4EF36-0AA0, Siemens
1 In Stock
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£ 282.42
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3VA2040-5HL36-0AA0, Siemens
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£ 372.77
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3VA2140-5HN32-0AA0, Siemens
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£ 670.42
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3VA2163-5HN46-0AA0, Siemens
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£ 666.53
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3VA2463-5KP42-0AA0, Siemens
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£ 2513.05
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3VA1020-3ED32-0AA0, Siemens
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£ 141.68
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3VA1110-5EF32-0AA0, Siemens
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£ 257.26
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3VA1112-5ED32-0AA0, Siemens
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£ 306.63
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3VA1116-6EE36-0AA0, Siemens
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£ 421.90
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3VA1120-6EF42-0AA0, Siemens
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£ 296.49
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3VA1140-5EE46-0AA0, Siemens
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£ 261.96
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3VA1225-4GF42-0AA0, Siemens
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£ 808.27
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3VA1116-4EE36-0AA0, Siemens
4 In Stock
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£ 386.82
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3VA1180-3EE36-0AA0, Siemens
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£ 187.14
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3VA1150-4EE36-0AA0, Siemens
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£ 185.02
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259085 NZMN1-A100, Eaton
3 In Stock
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£ 388.66
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1SDA067962R1, ABB
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£ 1222.82
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259079 NZMB1-A100, Eaton
2 In Stock
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£ 280.04
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1SDA100459R1 XT5S630 TMA630-6300 4pFF N, ABB
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£ 1655.33
1SDA054328R1, ABB
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£ 2054.62
1SDA054330R1, ABB
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£ 2449.69
1SDA054331R1, ABB
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£ 2335.23
1SDA054338R1, ABB
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£ 1981.70
1SDA054356R1, ABB
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£ 2408.81
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140UT-D7D2-B50, Rockwell Automation

140UT-D7D2-B50, Rockwell Automation

The Rockwell Automation bulletin 140UT-D moulded case circuit breaker (MCCB) UL489 and IEC 60947-2 listed circuit breaker for global applications. The current-limiting circuit breaker provides fixed short-circuit and overcurrent protection and offers high interrupting ratings for 2 and 3-pole devices. This is also suitable for back feeding. Frame D Fixed thermal/fixed magnetic 2-pole
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3VA1180-3GF46-0AA0, Siemens

3VA1180-3GF46-0AA0, Siemens

The Siemens low voltage 3VA IEC frame 160 breaking capacity moulded case circuit breaker with thermal magnetic trip unit. It has box terminal on both sides and front terminal arrangement of electrical connectors. Without ground-fault monitoring Line protection IP40 Protection class Standard CE and EAC 4 poles
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1SDA067838R1, ABB

1SDA067838R1, ABB

The ABB fixed circuit breaker has 4 pole and front terminals. It has 690 Vac rated operational voltage and 1000 V insulation voltage (Ui). This circuit breaker has solid state release in AC Ekip LS/I. Short circuit performance level: S Release Type EL 160 A rated current (In) Fully rated neutral
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1SDA068436R1, ABB

1SDA068436R1, ABB

The ABB motor protection moulded case circuit-breaker with 3-pole has front terminals and magnetic release. It is rated for 690 Vac operational voltage and 80 A current (In). This circuit breaker has 1000 V (Ui) insulation voltage rating and 8 kV impulse withstand voltage (Uimp). Fixed circuit breaker Short circuit performance level: S Current type: AC/DC Im=400...800 A
New items
1SDA067560R1 XT2S 160 TMA 160A FF, ABB

1SDA067560R1 XT2S 160 TMA 160A FF, ABB

The ABB moulded case circuit breaker has 3 pole and 160 A rated current. The Tmax XT circuit breakers make the future of process and energy management possible today. The integrated connectivity function links to a wealth of information that suddenly makes problem diagnosis and maintenance much easier. Excellent insulation properties High short circuit capacity Improved impact and vibration resistance Integrated connectivity function
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C103MA050, Schneider Electric

C103MA050, Schneider Electric

MCCBs The Schneider Electrics ComPacT NSX series is a complete fixed circuit breaker designed to optimize space and breaking capacity. It is an optimal choice for all standard and specific applications. The operational voltage is 690VAC 50/60Hz.TMD trip unit provides an adjustable thermal overload protection and a fixed magnetic protection. This NSX version comes with a variety of optional functions and accessories. Schneider Electric green signature style for the entire ComPacT range Estimated 40% reduction of wiring time for panel builders Experience easier installation thanks to a new ergonomic front-plate design Gain the confidence that all auxiliaries are on the right spot, and check that you have the right coil rating Ergonomic new toggle for easier breaker manual operation Environmental performance of the product
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C11B4TM100L, Schneider Electric

C11B4TM100L, Schneider Electric

MCCBs The Schneider Electrics ComPacT NSX series is a complete fixed circuit breaker designed to optimize space and breaking capacity. It is an optimal choice for all standard and specific applications. The operational voltage is 690VAC 50/60Hz.TMD trip unit provides an adjustable thermal overload protection and a fixed magnetic protection. This NSX version comes with a variety of optional functions and accessories. Schneider Electric green signature style for the entire ComPacT range Estimated 40% reduction of wiring time for panel builders Experience easier installation thanks to a new ergonomic front-plate design Gain the confidence that all auxiliaries are on the right spot, and check that you have the right coil rating Ergonomic new toggle for easier breaker manual operation Environmental performance of the product
New items
C12B4TM125L, Schneider Electric

C12B4TM125L, Schneider Electric

MCCBs The Schneider Electrics ComPacT NSX series is a complete fixed circuit breaker designed to optimize space and breaking capacity. It is an optimal choice for all standard and specific applications. The operational voltage is 690VAC 50/60Hz.TMD trip unit provides an adjustable thermal overload protection and a fixed magnetic protection. This NSX version comes with a variety of optional functions and accessories. Schneider Electric green signature style for the entire ComPacT range Estimated 40% reduction of wiring time for panel builders Experience easier installation thanks to a new ergonomic front-plate design Gain the confidence that all auxiliaries are on the right spot, and check that you have the right coil rating Ergonomic new toggle for easier breaker manual operation Environmental performance of the product
New items
C12F3TM160L, Schneider Electric

C12F3TM160L, Schneider Electric

MCCBs The Schneider Electrics ComPacT NSX series is a complete fixed circuit breaker designed to optimize space and breaking capacity. It is an optimal choice for all standard and specific applications. The operational voltage is 690VAC 50/60Hz.TMD trip unit provides an adjustable thermal overload protection and a fixed magnetic protection. This NSX version comes with a variety of optional functions and accessories. Schneider Electric green signature style for the entire ComPacT range Estimated 40% reduction of wiring time for panel builders Experience easier installation thanks to a new ergonomic front-plate design Gain the confidence that all auxiliaries are on the right spot, and check that you have the right coil rating Ergonomic new toggle for easier breaker manual operation Environmental performance of the product
New items
C25F32D250, Schneider Electric

C25F32D250, Schneider Electric

MCCBs The Schneider Electrics ComPacT NSX series is a complete fixed circuit breaker designed to optimize space and breaking capacity. It is an optimal choice for all standard and specific applications. The operational voltage is 690VAC 50/60Hz.TMD trip unit provides an adjustable thermal overload protection and a fixed magnetic protection. This NSX version comes with a variety of optional functions and accessories. Schneider Electric green signature style for the entire ComPacT range Estimated 40% reduction of wiring time for panel builders Experience easier installation thanks to a new ergonomic front-plate design Gain the confidence that all auxiliaries are on the right spot, and check that you have the right coil rating Ergonomic new toggle for easier breaker manual operation Environmental performance of the product
New items
1SDA067733R1 XT2N 160 TMG 63A FF, ABB

1SDA067733R1 XT2N 160 TMG 63A FF, ABB

The ABB Moulded case circuit breaker Tmax XT2N comes with 4 poles. It has front terminals and thermomagnetic TMG release type. It comes with rated uninterrupted current of 160A. Rated current (In):63 A Rated frequency (f): 50/60 Hz Rated voltage (Ur): 690 V Rated impulse withstand voltage (Uimp): 8 kV
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259124  NZMN2-VE250, Eaton

259124 NZMN2-VE250, Eaton

EATON MCCBs - NZM2 Series Features and Benefits: 537-5719 537-5725 Applications:
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.