{"product_id":"mccb-mechanical-interlock-for-32a-630a-frames-onesto-kcm1","title":"MCCB Mechanical Interlock, For 32A-630A Frames | Onesto KCM1","description":"\u003cp\u003eThe Onesto KCM1 Mechanical Interlock is an accessory that mechanically prevents two moulded case circuit breakers from being switched on at the same time. It is commonly used in mains\/generator changeover panels and dual-source electrical systems where only one supply may be connected to the load at any given moment. Available sized to match the 100S, 225S, 400S or 630S Onesto KCM1 MCCB frame ranges.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Mains\/generator changeover and dual-source interlocking\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eKey specification:\u003c\/strong\u003e Sized to match 100S, 225S, 400S or 630S frame MCCBs\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Select the interlock matching the frame size of your installed MCCBs\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBuild quality:\u003c\/strong\u003e Designed for use with Onesto KCM1 moulded case circuit breakers\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInstallation benefit:\u003c\/strong\u003e Prevents unsafe simultaneous closure of two breakers\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3 style=\"color:#2C3892;\"\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eMechanically links two MCCBs of the same frame size so only one can be closed at a time\u003c\/li\u003e\n  \u003cli\u003eReduces the risk of backfeeding a generator or paralleling incompatible supplies\u003c\/li\u003e\n  \u003cli\u003eSimple mechanical device requiring no additional control wiring\u003c\/li\u003e\n  \u003cli\u003eMatched to Onesto KCM1 frame dimensions for correct fit\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3 style=\"color:#2C3892;\"\u003eTypical Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eGenerator changeover panels\u003c\/li\u003e\n  \u003cli\u003eDual-source (mains\/standby) switching\u003c\/li\u003e\n  \u003cli\u003eIsolator installation\u003c\/li\u003e\n  \u003cli\u003eDomestic, commercial or light industrial standby power systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3 style=\"color:#2C3892;\"\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eOnesto\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRange\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eKCM1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMechanical Interlock for MCCBs\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatible frame size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e100S \/ 225S \/ 400S \/ 630S (select variant)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatible MCCB current range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e100S: 32A-100A • 225S: 125A-250A • 400S: 315A-400A • 630S: 500A-630A\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRated operating voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e690V (matches corresponding MCCB frame)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3 style=\"color:#2C3892;\"\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 x Mechanical Interlock kit (sized to selected frame)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003ePlease note:\u003c\/strong\u003e MCCBs are not included and must be purchased separately.\u003c\/p\u003e\n\n\u003ch3 style=\"color:#2C3892;\"\u003eInstallation \u0026amp; Compatibility Notes\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eConfirm both MCCBs to be interlocked are the same Onesto KCM1 frame size before ordering.\u003c\/li\u003e\n  \u003cli\u003eConfirm the current rating and pole configuration of the MCCBs being interlocked.\u003c\/li\u003e\n  \u003cli\u003eInstallation must be carried out by a suitably qualified electrician in accordance with local electrical regulations.\u003c\/li\u003e\n  \u003cli\u003eContact Zisabo if you are unsure which interlock size matches your installed breakers.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3 style=\"color:#2C3892;\"\u003eWarranty \u0026amp; Support\u003c\/h3\u003e\n\u003cp\u003eThis product is supplied with the applicable manufacturer or supplier warranty, subject to correct installation, correct application, and warranty terms.\u003c\/p\u003e\n\u003cp\u003eZisabo supplies quality plumbing, pump, filtration and electrical products with practical support to help customers choose the correct item for their application. If you are unsure whether this product is suitable, contact us before ordering and our team will assist where possible.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eNeed help choosing?\u003c\/strong\u003e If you are unsure which interlock size is correct for your MCCBs, contact Zisabo with your breaker model details and we will assist where possible.\u003c\/p\u003e","brand":"Onesto","offers":[{"title":"100S (For 32A-100A MCCBs)","offer_id":49514694213889,"sku":"KCM1-100-MI","price":1269.6,"currency_code":"ZAR","in_stock":true},{"title":"225S (For 125A-250A MCCBs)","offer_id":49514694246657,"sku":"KCM1-225-MI","price":1535.2,"currency_code":"ZAR","in_stock":true},{"title":"400S (For 315A-400A MCCBs)","offer_id":49514694279425,"sku":"KCM1-400-MI","price":1764.1,"currency_code":"ZAR","in_stock":true},{"title":"630S (For 500A-630A MCCBs)","offer_id":49514694312193,"sku":"KCM1-630-MI","price":2028.6,"currency_code":"ZAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0723\/6924\/2369\/files\/KCM1-100-MI.png?v=1783141599","url":"https:\/\/www.zisabo.co.za\/products\/mccb-mechanical-interlock-for-32a-630a-frames-onesto-kcm1","provider":"Zisabo","version":"1.0","type":"link"}