{"product_id":"step-relay-16a-1-2-module-multi-voltage-no-nc-co-configurations","title":"Step Relay 16A – 1 \u0026 2 Module | Multi-Voltage | NO\/NC\/CO Configurations","description":"\u003cp\u003eThe 16A Step Relay (also known as an impulse relay or bistable relay) is a DIN rail-mounted switching device that latches on or off with each control pulse – one pulse activates the relay, the next deactivates it. This makes it ideal for corridor and staircase lighting control, multi-point switching, and any application where a load must be toggled from multiple switch positions without wiring returns. Available in 1-module and 2-module widths, with a comprehensive range of contact configurations and coil voltages to suit AC and DC control circuits from 6VDC to 230VAC.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Staircase lighting, corridor switching, multi-point control, load toggling\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCurrent Rating:\u003c\/strong\u003e 16A\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eModules:\u003c\/strong\u003e 1-module (compact) and 2-module (extended contact) options\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eContact Configurations:\u003c\/strong\u003e 1NO+1NC, 2NO, 1CO, 2NO+1NC, 3NO+1NC, 2NO+2NC, 2CO\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCoil Voltages:\u003c\/strong\u003e 12VAC\/6VDC, 24VAC\/12VDC, 48VAC\/24VDC, 130VAC\/48VDC, 230VAC\/110VDC\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e DIN rail\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3 style=\"color:#2C3892;\"\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eBistable (latching) operation – holds state without continuous coil energisation, saving energy\u003c\/li\u003e\n  \u003cli\u003e1-module width for compact single-contact applications; 2-module for multi-pole configurations\u003c\/li\u003e\n  \u003cli\u003eWide coil voltage range – compatible with AC and DC control circuits from 6VDC to 230VAC\u003c\/li\u003e\n  \u003cli\u003eMultiple contact configurations covering NO, NC, and changeover (CO) arrangements\u003c\/li\u003e\n  \u003cli\u003e16A rating suitable for lighting circuits, small motors, and general load switching\u003c\/li\u003e\n  \u003cli\u003eDIN rail mounting – fits standard distribution boards and enclosures\u003c\/li\u003e\n  \u003cli\u003eSuitable for multi-point switching with standard momentary pushbuttons\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3 style=\"color:#2C3892;\"\u003eTypical Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eStaircase and corridor lighting with single or multi-point pushbutton control\u003c\/li\u003e\n  \u003cli\u003eHotel room and common area lighting switching\u003c\/li\u003e\n  \u003cli\u003eCentral ON\/OFF control of lighting circuits from multiple locations\u003c\/li\u003e\n  \u003cli\u003eLow-voltage control system load switching (24V, 48V DC bus systems)\u003c\/li\u003e\n  \u003cli\u003eBuilding automation and energy management switching\u003c\/li\u003e\n  \u003cli\u003eGeneral load toggling in distribution boards and control panels\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\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eStep Relay (Bistable \/ Impulse Relay)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCurrent Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e16A\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMounting\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDIN Rail\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModule Widths\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 Module \/ 2 Modules\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePoles\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2P \/ 3P \/ 4P (depends on configuration)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eContact Configurations\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1NO+1NC, 2NO, 1CO, 2NO+1NC, 3NO+1NC, 2NO+2NC, 2CO\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCoil Voltages\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12VAC\/6VDC, 24VAC\/12VDC, 48VAC\/24VDC, 130VAC\/48VDC, 230VAC\/110VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBistable (latching) – pulse-controlled, holds position without power\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVoltage System\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAC and DC coil versions available\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStandards\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNot specified by supplier\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3 style=\"color:#2C3892;\"\u003eConfiguration Guide\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCode\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eModules\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003ePoles\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eContacts\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e1M – 2P – 1NO+1NC\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003ctd\u003e2P\u003c\/td\u003e\n\u003ctd\u003e1 NO + 1 NC\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e1M – 2P – 2NO\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003ctd\u003e2P\u003c\/td\u003e\n\u003ctd\u003e2 NO\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e1M – 1CO\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003ctd\u003e–\u003c\/td\u003e\n\u003ctd\u003e1 Changeover (CO)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e2M – 3P – 2NO+1NC\u003c\/td\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003ctd\u003e3P\u003c\/td\u003e\n\u003ctd\u003e2 NO + 1 NC\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e2M – 4P – 3NO+1NC\u003c\/td\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003ctd\u003e4P\u003c\/td\u003e\n\u003ctd\u003e3 NO + 1 NC\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e2M – 4P – 2NO+2NC\u003c\/td\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003ctd\u003e4P\u003c\/td\u003e\n\u003ctd\u003e2 NO + 2 NC\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e2M – 2P – 2CO\u003c\/td\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003ctd\u003e2P\u003c\/td\u003e\n\u003ctd\u003e2 Changeover (CO)\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 Step Relay in selected configuration and coil voltage\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003ePlease note:\u003c\/strong\u003e Pushbuttons, control wiring, DIN rail, and enclosures are not included. For multi-point switching, standard momentary pushbuttons wired in parallel are used with this relay.\u003c\/p\u003e\n\n\u003ch3 style=\"color:#2C3892;\"\u003eInstallation \u0026amp; Compatibility Notes\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eConfirm your coil voltage matches your control circuit supply before ordering – AC and DC ratings are different and not interchangeable.\u003c\/li\u003e\n  \u003cli\u003eSelect 1-module for compact single-contact switching; 2-module where multi-pole isolation is required.\u003c\/li\u003e\n  \u003cli\u003eUse momentary pushbuttons only – do not connect to latching switches as this will continuously energise the coil.\u003c\/li\u003e\n  \u003cli\u003eConfirm the contact configuration (NO\/NC\/CO ratio) suits your circuit logic before ordering.\u003c\/li\u003e\n  \u003cli\u003eInstallation should be carried out by a suitably qualified electrician in accordance with SANS 10142.\u003c\/li\u003e\n  \u003cli\u003eVerify your DIN rail and enclosure have sufficient space for 1 or 2 module width as required.\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. Zisabo supplies quality electrical products with practical support to help customers choose the correct item for their application. If you are unsure which step relay configuration or coil voltage suits your circuit, 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 Contact Zisabo with your control voltage, number of switching poles required, and load type and we will help you select the correct variant.\u003c\/p\u003e","brand":"Onesto","offers":[{"title":"1M – 2P – 1NO+1NC \/ 12VAC \/ 6VDC","offer_id":49466520830209,"sku":"27046","price":200.1,"currency_code":"ZAR","in_stock":true},{"title":"1M – 2P – 1NO+1NC \/ 24VAC \/ 12VDC","offer_id":49466520862977,"sku":"27047","price":209.3,"currency_code":"ZAR","in_stock":true},{"title":"1M – 2P – 1NO+1NC \/ 48VAC \/ 24VDC","offer_id":49466520895745,"sku":"27048","price":162.1,"currency_code":"ZAR","in_stock":true},{"title":"1M – 2P – 1NO+1NC \/ 130VAC \/ 48VDC","offer_id":49466520928513,"sku":"27049","price":197.8,"currency_code":"ZAR","in_stock":true},{"title":"1M – 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