{"product_id":"onka-mrk-s-4mm2-screw-connection-din-rail-fused-terminal-block","title":"Onka MRK-S 4mm2 Screw Connection DIN Rail Fused Terminal Block","description":"\u003ch2\u003eMRK Series Screw Connection Rail Fused Terminal Blocks\u003c\/h2\u003e\n\u003cp\u003eOnka offer great value fully encapsulated DIN rail terminals. The MRK Series includes these 4mm2 fused terminal block which clip direct to standard 35mm DIN rail. They provide basic overcurrent and short circuit protection. The MRK-S features a 5 stage mechanism to avoid accidental opening and closure.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCables up to 4.0mm2 can be terminated at the fuseholder\u003c\/li\u003e\n\u003cli\u003eAccepts standard 5 x 20mm fuse, fast lever operation (fuse not included)\u003c\/li\u003e\n\u003cli\u003eTypically used in control panels for distribution of DC power supply\u003c\/li\u003e\n\u003cli\u003eNo need to purchase additional end plates - terminal has an embedded end plate\u003c\/li\u003e\n\u003cli\u003eTerminals are symmetrical - does not matter which way around they are mounted\u003c\/li\u003e\n\u003cli\u003eScrew connection - accepts solid conductors or crimped ferrules\u003c\/li\u003e\n\u003cli\u003eOnly 8mm wide - saves space on the DIN rail\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eSuitable for:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e35 x 7.5mm DIN Rail (Top Hat Rail)\u003c\/li\u003e\n\u003cli\u003e35 x 15mm DIN Rail (Top Hat Rail)\u003c\/li\u003e\n\u003cli\u003eNew for 2026 - matches Onka colour code range 1010587-1010596\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Data\u003c\/h3\u003e\n\u003ctable class=\"table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody\u003c\/td\u003e\n\u003ctd\u003ePA6.6\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBridge\u003c\/td\u003e\n\u003ctd\u003ePhosphor bronze\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eContact\u003c\/td\u003e\n\u003ctd\u003eCK45 Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eScrew\u003c\/td\u003e\n\u003ctd\u003eSteel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature\u003c\/td\u003e\n\u003ctd\u003e-40°C, +140°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCable Strip L.\u003c\/td\u003e\n\u003ctd\u003e10mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTorque\u003c\/td\u003e\n\u003ctd\u003e0.5Nm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage\u003c\/td\u003e\n\u003ctd\u003e750V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent\u003c\/td\u003e\n\u003ctd\u003e6.3A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSection\u003c\/td\u003e\n\u003ctd\u003e4mm²\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePollution Degree \/ Overvoltage Category\u003c\/td\u003e\n\u003ctd\u003e2 \/ III\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNorm\u003c\/td\u003e\n\u003ctd\u003eEN-60947-7-3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eDimensions\u003c\/h3\u003e\n\u003ctable class=\"table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eWidth\u003c\/td\u003e\n\u003ctd\u003e8 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLength\u003c\/td\u003e\n\u003ctd\u003e53 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeight on 35 x 7.5 rail\u003c\/td\u003e\n\u003ctd\u003e45 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeight on 35 x 15 rail\u003c\/td\u003e\n\u003ctd\u003e52.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eIs a fuse included?\u003c\/strong\u003e\u003cbr\u003eNo - the terminal is supplied without a fuse. It takes a standard 5x20mm glass fuse, see our \u003ca href=\"https:\/\/www.production-automation.co.uk\/products\/fast-acting-glass-fuse-5x20mm-various-sizes-200ma-6a-control-panel\" title=\"Fast Acting Glass Fuse 5x20mm\" style=\"color:blue;font-weight:bold;\"\u003e5x20mm glass fuse range\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the difference between this and the 6mm² version?\u003c\/strong\u003e\u003cbr\u003eThis 4mm² version is a narrower 8mm terminal for smaller cables. For cables up to 6mm² see the \u003ca href=\"https:\/\/www.production-automation.co.uk\/products\/onka-6mm2-mrk-s-screw-din-rail-fused-terminal-block-1322\" style=\"color:blue;font-weight:bold;\"\u003eOnka MRK-S 6mm² fused terminal\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDo I need end plates?\u003c\/strong\u003e\u003cbr\u003eNo - an end plate is built in. Use an MRK\/OPK end stop (e.g. Onka 1060002) to hold the terminal row in place.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e\n{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Is a fuse included?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No - the terminal is supplied without a fuse. It takes a standard 5x20mm glass fuse.\"}},{\"@type\":\"Question\",\"name\":\"What is the difference between this and the 6mm² version?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"This 4mm² version is a narrower 8mm terminal for smaller cables. For cables up to 6mm² see the Onka MRK-S 6mm² fused terminal.\"}},{\"@type\":\"Question\",\"name\":\"Do I need end plates?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No - an end plate is built in. Use an MRK\/OPK end stop (e.g. Onka 1060002) to hold the terminal row in place.\"}}]}\n\u003c\/script\u003e","brand":"Onka","offers":[{"title":"Default Title","offer_id":57373278830965,"sku":"1010588","price":1.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0501\/5794\/5002\/files\/1010588.webp?v=1793220902","url":"https:\/\/www.production-automation.co.uk\/products\/onka-mrk-s-4mm2-screw-connection-din-rail-fused-terminal-block","provider":"Production Automation","version":"1.0","type":"link"}