{"product_id":"mcb-miniature-circuit-breakers-reliable-6ka-32a-protection","title":"MCB Miniature Circuit Breakers: Reliable 6kA 32A Protection","description":"\u003cdiv class=\"ds-message _63c77b1\"\u003e\n\u003cdiv class=\"ds-markdown\"\u003e\n\u003ch2\u003e\u003cspan\u003eOverview\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eThe 6kA 32A Miniature Circuit Breaker represents a fundamental component in modern electrical safety systems, engineered to deliver robust protection against both short-circuit events and overload conditions across domestic, commercial, and industrial installations. With a substantial 6kA breaking capacity, this MCB effectively interrupts high fault currents before they can cause damage to wiring, equipment, or pose fire hazards. The thermal magnetic trip mechanism ensures precise response to different fault types: the thermal element responds to prolonged overloads while the magnetic element reacts instantly to short-circuit conditions, providing comprehensive circuit protection.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eDesigned for versatility and compliance, this 32A MCB meets IEC60898-1 standards and carries both CE and UKCA certifications, confirming its suitability for European and UK electrical systems. The unit operates at 50\/60Hz frequency and accommodates voltages of AC240V for single-pole applications or AC415V for multi-pole configurations. With an impressive electrical life of 10,000 operations and mechanical life of 20,000 cycles, this circuit breaker delivers long-term reliability. The IP20 protection grade and compatibility with 35mm DIN rail mounting simplify installation in consumer units and distribution boards, while the maximum 25mm² wiring capacity accommodates substantial conductor sizes for high-current circuits.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eKey Features\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003e6kA Breaking Capacity\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Effectively interrupts high short-circuit currents up to 6,000 amperes for enhanced safety\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eThermal Magnetic Trip Mechanism\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Combines bimetal thermal overload protection with electromagnetic short-circuit interruption\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eDual Certification\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Compliant with IEC60898-1 standards and certified CE and UKCA for regulatory peace of mind\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eVersatile Pole Configurations\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Available in 1P, 2P, 3P, and 4P options to suit single-phase and three-phase systems\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eContact Status Indication\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Clear visual window shows whether contacts are open or closed at a glance\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eDIN Rail Mounting\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Standard 35mm rail design enables quick installation in existing distribution boards\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eHigh Cycle Life\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Rated for 10,000 electrical operations and 20,000 mechanical operations for lasting durability\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eWide Temperature Tolerance\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Operates reliably from -35°C to +70°C for various environmental conditions\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003eTechnical Specifications\u003c\/span\u003e\u003c\/h2\u003e\n\u003cdiv class=\"ds-scroll-area ds-scroll-area--show-on-focus-within _1210dd7 c03cafe9\"\u003e\n\u003cdiv class=\"ds-scroll-area__gutters\"\u003e\n\u003cdiv class=\"ds-scroll-area__horizontal-gutter\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"ds-scroll-area__vertical-gutter\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cspan\u003eSpecification\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eDetail\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eProduct Type\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eMiniature Circuit Breaker (MCB)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eRated Current\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e32 Amperes\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eBreaking Capacity\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e6kA (Ics \u0026amp; Icn)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eNumber of Poles\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1P, 2P, 3P, 4P (selectable)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eRated Frequency\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e50\/60 Hz\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eFrame Current\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e63A\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eRated Voltage\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eAC240V (1P) \/ AC415V (multi-pole)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eRated Insulation Voltage\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e690V\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eRated Impulse Withstand Voltage\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e4kV\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eTrip Characteristics\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eB, C, D Curves available\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eTrip Form\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eThermal magnetic\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003ePollution Level\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eElectrical Life\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e10,000 operations\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMechanical Life\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e20,000 operations\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eProtection Grade\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eIP20\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eStorage Temperature\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e-35°C to +70°C\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMaximum Altitude\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e≤2000m\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eTerminal Type\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eScrew fixed\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMaximum Wiring Capacity\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e25mm²\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMaximum Torque\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2.5 Nm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eInstallation Category\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eClass II, III\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eInstallation Method\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e35mm standard DIN rail\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eIncoming Method\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eUpper or lower terminal\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eStandards Compliance\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eIEC60898-1\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eCertifications\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eCE, UKCA\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003ch2\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch2\u003e\u003cspan\u003eWhy Choose a 6kA 32A Miniature Circuit Breaker\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eSelecting the correct MCB rating for your electrical circuit is critical for both safety and operational reliability. A 32A rating makes this miniature circuit breaker ideally suited for dedicated high-power circuits including electric oven ranges, shower units, air conditioning systems, industrial machinery, and commercial kitchen equipment. The 6kA breaking capacity provides a substantial safety margin above typical domestic fault current levels, ensuring the breaker will safely clear even severe short-circuit events without welding contacts or rupturing its housing. Unlike fuses that require replacement after every fault, this resettable MCB can be simply switched back on after addressing the underlying issue, reducing downtime and maintenance costs.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eFurthermore, the thermal magnetic trip mechanism offers two distinct layers of protection that work in harmony. The thermal element uses a bimetal strip that bends gradually under sustained overcurrent, mimicking the heat buildup in your wiring and tripping only when dangerous temperatures are reached. The magnetic element operates nearly instantaneously during short circuits, limiting let-through energy and protecting sensitive electronics downstream. With multiple trip curve options (B, C, and D curves available), you can precisely match the breaker's response characteristics to your specific load type—whether that is resistive lighting loads, motor-driven equipment with startup surges, or transformer-coupled devices. This level of customization, combined with UKCA and CE certification, makes this 6kA 32A MCB a professional-grade choice for any electrical installation requiring dependable, code-compliant overcurrent protection.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eFrequently Asked Questions\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003e1. What does the 6kA breaking capacity mean for my installation?\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eThe 6kA rating indicates this MCB can safely interrupt a short-circuit current of up to 6,000 amperes without failing. This makes it suitable for domestic and light commercial applications where the available fault current at the distribution board typically remains below this threshold.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003e2. Which trip curve (B, C, or D) should I choose for my 32A circuit?\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eChoose B-curve (3-5x In) for general domestic lighting and socket circuits. Select C-curve (5-10x In) for circuits powering inductive loads like motors, fluorescent lighting, or small HVAC equipment. D-curve (10-20x In) is reserved for high inrush current applications like large transformers or welding equipment.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003e3. Can this MCB be installed in both single-phase and three-phase systems?\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eYes, the 32A MCB is available in 1-pole for single-phase 230V applications or 3-pole\/4-pole for three-phase 400V systems. For three-phase installations, use 3-pole for motor loads or 4-pole where neutral switching is required.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003e4. What is the difference between Ics and Icn short-circuit ratings?\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eIcn is the rated short-circuit breaking capacity for a single operation, while Ics is the service short-circuit breaking capacity – the fault current the MCB can interrupt and still remain functional. Both ratings are 6kA for this unit, indicating full performance after interruption.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003e5. How do I know when the MCB has tripped?\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eThe contact status indicator window shows green when contacts are open (tripped or OFF position) and red when contacts are closed (ON position). Additionally, the toggle lever moves to the central tripped position between ON and OFF for easy identification.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Excel","offers":[{"title":"Default Title","offer_id":57290077471102,"sku":null,"price":1.45,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0985\/3832\/4350\/files\/MCB3-3_e438fcb4-5222-497c-aa3f-bed55c5e0598.png?v=1776713059","url":"https:\/\/ssmelectric.co.uk\/products\/mcb-miniature-circuit-breakers-reliable-6ka-32a-protection","provider":"SSM ELECTRIC","version":"1.0","type":"link"}