{"product_id":"tosmr1-40jwt","title":"40A Wi-Fi Smart RCBO — Type AC","description":"\u003carticle class=\"smfy-catalog-v5\" data-smartify-theme=\"adaptive-v1\" lang=\"en\" dir=\"ltr\"\u003e\u003cnav class=\"sd-nav\"\u003e\u003ca href=\"#smfy-10377117237546-en-overview\"\u003eOverview\u003c\/a\u003e\u003ca href=\"#smfy-10377117237546-en-energy\"\u003eMonitoring and control\u003c\/a\u003e\u003ca href=\"#smfy-10377117237546-en-protection\"\u003eProtection\u003c\/a\u003e\u003ca href=\"#smfy-10377117237546-en-specifications\"\u003eSpecifications\u003c\/a\u003e\u003ca href=\"#smfy-10377117237546-en-setup\"\u003eSetup\u003c\/a\u003e\u003ca href=\"#smfy-10377117237546-en-faq\"\u003eQuestions\u003c\/a\u003e\u003c\/nav\u003e\u003cdiv class=\"sd-intro\" id=\"smfy-10377117237546-en-overview\" tabindex=\"-1\"\u003e\u003ch2\u003eCircuit protection, electricity information and Wi-Fi control together\u003c\/h2\u003e\u003cp\u003eThe TOSMR1-40JWT combines a residual-current circuit breaker with overcurrent protection (RCBO), energy monitoring and app control. Check a suitable single-phase circuit, arrange its operating times and review electrical information while retaining a physical operating handle at the distribution board.\u003c\/p\u003e\u003cp\u003eThis listing is for the CHAYO 40 A, Type AC, Wi-Fi version. Other communication versions and residual-current types are different products, even when their housings look similar.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv class=\"sd-features\"\u003e\u003csection data-connectivity=\"wifi\"\u003e\u003csvg fill=\"none\" stroke=\"#65afe5\" stroke-width=\"3\" stroke-linecap=\"round\" stroke-linejoin=\"round\" viewbox=\"0 0 100 100\" aria-hidden=\"true\" focusable=\"false\"\u003e\u003cpath d=\"M12 35a57 57 0 0 1 76 0M25 50a38 38 0 0 1 50 0M38 65a19 19 0 0 1 24 0\"\u003e\u003c\/path\u003e\u003ccircle cx=\"50\" cy=\"80\" r=\"3\"\u003e\u003c\/circle\u003e\u003c\/svg\u003e\u003ch3\u003eDirect 2.4 GHz Wi-Fi\u003c\/h3\u003e\u003cp\u003eConnects to a 2.4 GHz router without a Zigbee hub. Away-from-site control requires working Wi-Fi and internet services.\u003c\/p\u003e\u003c\/section\u003e\u003csection data-app=\"smart-life-tuya\"\u003e\u003csvg fill=\"none\" stroke=\"#65afe5\" stroke-width=\"3\" stroke-linecap=\"round\" stroke-linejoin=\"round\" viewbox=\"0 0 100 100\" aria-hidden=\"true\" focusable=\"false\"\u003e\u003crect x=\"26\" y=\"8\" width=\"48\" height=\"84\" rx=\"8\"\u003e\u003c\/rect\u003e\u003cpath d=\"M40 18h20M42 82h16M36 48h28\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003ch3\u003eTuya Smart \/ Smart Life\u003c\/h3\u003e\u003cp\u003eSwitch the circuit, check its state and review measurements in the app, with supported Alexa and Google Assistant voice integration.\u003c\/p\u003e\u003c\/section\u003e\u003csection\u003e\u003csvg fill=\"none\" stroke=\"#65afe5\" stroke-width=\"3\" stroke-linecap=\"round\" stroke-linejoin=\"round\" viewbox=\"0 0 100 100\" aria-hidden=\"true\" focusable=\"false\"\u003e\u003crect x=\"15\" y=\"15\" width=\"70\" height=\"55\" rx=\"5\"\u003e\u003c\/rect\u003e\u003cpath d=\"M35 85h30M50 70v15M27 54l14-15 15 8 17-20\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003ch3\u003eElectricity monitoring\u003c\/h3\u003e\u003cp\u003eView voltage, current, power and accumulated energy, then compare consumption across hours, days, months and years.\u003c\/p\u003e\u003c\/section\u003e\u003csection\u003e\u003csvg fill=\"none\" stroke=\"#65afe5\" stroke-width=\"3\" stroke-linecap=\"round\" stroke-linejoin=\"round\" viewbox=\"0 0 100 100\" aria-hidden=\"true\" focusable=\"false\"\u003e\u003ccircle cx=\"50\" cy=\"50\" r=\"37\"\u003e\u003c\/circle\u003e\u003cpath d=\"M50 25v27l18 12M50 13v5M50 82v5M13 50h5M82 50h5\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003ch3\u003eSchedules and delayed switching\u003c\/h3\u003e\u003cp\u003eSet suitable on\/off times or use the documented delayed\/countdown switching functions for compatible loads.\u003c\/p\u003e\u003c\/section\u003e\u003c\/div\u003e\u003csection class=\"sd-use\" id=\"smfy-10377117237546-en-energy\" tabindex=\"-1\"\u003e\u003ch3\u003eUnderstand what the circuit is using\u003c\/h3\u003e\u003cp\u003eThe app reports voltage, current, power, accumulated forward energy and device\/terminal temperature. The temperature reading concerns the breaker or its terminal area; it is not a room-temperature sensor.\u003c\/p\u003e\u003cp\u003eHourly, daily, monthly and yearly consumption views help compare operating periods. The operation log and illustrated circuit-status notifications can also help you understand when a circuit was switched or reported an abnormal condition. Notification delivery depends on app permissions, network connectivity and service availability.\u003c\/p\u003e\u003cp\u003eThese readings support monitoring and comparison, not a definitive fault diagnosis or certified utility billing. No fixed energy-saving percentage or unlimited history retention is promised.\u003c\/p\u003e\u003ch3\u003eOn\/off control, voice and timing\u003c\/h3\u003e\u003cp\u003eUse Smart Life or Tuya Smart to switch the circuit and check its state. Supported Amazon Alexa and Google Assistant integration provides voice on\/off control through linked accounts. Remote functions require the breaker to be powered and connected to its Wi-Fi network and relevant internet services.\u003c\/p\u003e\u003cp\u003eApp timing can arrange on\/off events, including documented delayed\/countdown switching. The physical handle provides local operation without opening your phone. Available app layouts and settings may vary with firmware.\u003c\/p\u003e\u003c\/section\u003e\u003csection class=\"sd-use\" id=\"smfy-10377117237546-en-protection\" tabindex=\"-1\"\u003e\u003ch3\u003eProtection functions and adjustable settings\u003c\/h3\u003e\u003cp\u003eUnlike a smart relay that only adds monitoring and switching, this model is an RCBO. The manufacturer documents overload, short-circuit and residual-current functions, together with configurable electronic monitoring for overvoltage, undervoltage, overcurrent, overpower and terminal\/device temperature.\u003c\/p\u003e\u003cp\u003eThe app illustrations include threshold settings and choices such as alarm or trip for configurable functions. A qualified electrician must select the appropriate settings and protection coordination. Supplier screenshot values are examples, not universal defaults to copy. The 40 A rating is not permission to connect any load up to a calculated wattage without considering wiring, starting current and installation requirements.\u003c\/p\u003e\u003ch3\u003eAutomatic reclosing needs a deliberate decision\u003c\/h3\u003e\u003cp\u003eAutomatic reclosing is available as a configurable function. It may be useful where a professionally assessed circuit can appropriately return to service after a recoverable condition. Before enabling it, establish whether unexpected restart could create a hazard.\u003c\/p\u003e\u003cp\u003eExact options and retry sequences depend on the installed revision. Do not repeatedly reset a persistent fault or assume that every trip will safely clear itself.\u003c\/p\u003e\u003ch3\u003eWhy Type AC matters\u003c\/h3\u003e\u003cp\u003eType AC describes the residual-current waveform the device is intended to detect: sinusoidal alternating residual current. It is not interchangeable with Type A, Type F or Type B simply because the current rating is the same.\u003c\/p\u003e\u003cp\u003eThe stocked device is marked C40 and IΔn 0.03 A (30 mA). The 40 A marking concerns rated load current; the 30 mA marking concerns residual current. Have the electrician confirm that this Type AC device, its actual settings and the installation suit the connected loads and applicable local requirements. Do not assume suitability for EV charging, inverter equipment or every electronic load.\u003c\/p\u003e\u003c\/section\u003e\u003csection class=\"sd-use\" id=\"smfy-10377117237546-en-local\" tabindex=\"-1\"\u003e\u003ch3\u003ePhysical controls and status indicators\u003c\/h3\u003e\u003cp\u003eThe front includes an operating handle, test button, contact-indication window, status display, LED and a CFG\/QUERY button. The manufacturer's guide describes a short press of CFG\/QUERY for viewing status information and a long press of approximately 5–10 seconds for network configuration.\u003c\/p\u003e\u003cul\u003e\u003cli\u003eSteady blue: disconnected\/off state; steady red: connected\/on state.\u003c\/li\u003e\u003cli\u003eRapidly flashing red: pairing mode. Slowly flashing red: initial state in the supplied guide.\u003c\/li\u003e\u003cli\u003eSlow alternating red\/blue: configured but not connected to the router. Fast alternating red\/blue: configuration lost, as described in the guide.\u003c\/li\u003e\u003c\/ul\u003e\u003cdiv class=\"sd-notice\"\u003eAn indicator light or an app's OFF state is not proof of safe electrical isolation. The front test button is marked for monthly testing; follow the manufacturer's and installer's maintenance procedure, not deliberate electrical faults or repeated remote trips.\u003c\/div\u003e\u003c\/section\u003e\u003csection class=\"sd-use\" id=\"smfy-10377117237546-en-uses\" tabindex=\"-1\"\u003e\u003ch3\u003ePractical uses for an appropriately assessed circuit\u003c\/h3\u003e\u003cp\u003eThese are conditional applications, not blanket load approvals. A schedule does not make every appliance safe to leave unattended, and automatic restart must be suitable for the connected equipment.\u003c\/p\u003e\u003cul\u003e\u003cli\u003eA shop or workshop circuit: compare working days with closed days, use the operation log to understand switching events and arrange compatible loads around opening hours.\u003c\/li\u003e\u003cli\u003eA suitable heating or hot-water circuit: compare consumption before and after a schedule change. Appliance thermostats, protective devices and manufacturer instructions still apply; no guaranteed saving is implied.\u003c\/li\u003e\u003cli\u003eA separately monitored room or service area: review that circuit's energy use rather than guessing from the whole-building bill. This does not make the device a certified tenant-billing meter.\u003c\/li\u003e\u003cli\u003eAn assessed circuit at another location: check readings and status remotely when its internet connection is available, and receive supported notifications. Investigate abnormalities rather than treating a phone notification as a complete diagnosis.\u003c\/li\u003e\u003c\/ul\u003e\u003c\/section\u003e\u003cdiv class=\"sd-specs\" id=\"smfy-10377117237546-en-specifications\" tabindex=\"-1\"\u003e\u003csection\u003e\u003ch3\u003eStock-matched electrical information\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\u003ctr\u003e\u003cth scope=\"row\"\u003eModel \/ stocked brand\u003c\/th\u003e\u003ctd\u003eTOSMR1-40JWT \/ CHAYO\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth scope=\"row\"\u003eDevice and residual-current type\u003c\/th\u003e\u003ctd\u003eSmart RCBO \/ Type AC\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth scope=\"row\"\u003eRated current \/ trip curve\u003c\/th\u003e\u003ctd\u003e40 A \/ C curve\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth scope=\"row\"\u003eResidual-current marking\u003c\/th\u003e\u003ctd\u003eIΔn 0.03 A (30 mA)\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth scope=\"row\"\u003eNominal rated voltage\u003c\/th\u003e\u003ctd\u003eAC 230 V\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth scope=\"row\"\u003eFrequency\u003c\/th\u003e\u003ctd\u003e50\/60 Hz\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth scope=\"row\"\u003eManufacturer-stated breaking capacity\u003c\/th\u003e\u003ctd\u003e6 kA\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth scope=\"row\"\u003ePole arrangement\u003c\/th\u003e\u003ctd\u003e1P+N, single-phase\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth scope=\"row\"\u003eMeasurement class\u003c\/th\u003e\u003ctd\u003eManufacturer-specified Class 1; no billing-certification claim\u003c\/td\u003e\u003c\/tr\u003e\u003c\/tbody\u003e\u003c\/table\u003e\u003c\/section\u003e\u003csection\u003e\u003ch3\u003eConnection and installation format\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\u003ctr\u003e\u003cth scope=\"row\"\u003eConnection\u003c\/th\u003e\u003ctd\u003e2.4 GHz Wi-Fi; IEEE 802.11 b\/g\/n\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth scope=\"row\"\u003eApp\u003c\/th\u003e\u003ctd\u003eTuya Smart \/ Smart Life\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth scope=\"row\"\u003eControl\u003c\/th\u003e\u003ctd\u003ePhysical handle and app; supported voice integration\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth scope=\"row\"\u003eMounting \/ width\u003c\/th\u003e\u003ctd\u003e35 mm DIN rail; two-module, 36 mm width\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth scope=\"row\"\u003eHeight\u003c\/th\u003e\u003ctd\u003e120 mm; consult the dimension drawing for enclosure clearance\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth scope=\"row\"\u003eEnclosure rating\u003c\/th\u003e\u003ctd\u003eManufacturer-specified IP20; not a weatherproof enclosure\u003c\/td\u003e\u003c\/tr\u003e\u003c\/tbody\u003e\u003c\/table\u003e\u003c\/section\u003e\u003c\/div\u003e\u003csection class=\"sd-use\" id=\"smfy-10377117237546-en-setup\" tabindex=\"-1\"\u003e\u003ch3\u003eSetup without guesswork\u003c\/h3\u003e\u003col\u003e\u003cli\u003eHave a qualified electrician assess the circuit, load, Type AC suitability, protective coordination and enclosure, and install the device according to its matching manual. Do not work on live wiring.\u003c\/li\u003e\u003cli\u003eAfter installation, confirm a usable 2.4 GHz Wi-Fi signal at the board. Install Smart Life or Tuya Smart and prepare the network credentials.\u003c\/li\u003e\u003cli\u003eUse the documented pairing mode, select Add Device in the app and follow the Wi-Fi version's guide. Do not substitute Zigbee, RS485 or another model's instructions because its housing looks similar.\u003c\/li\u003e\u003cli\u003eGive the circuit a clear name and check its readings. Have the electrician review adjustable thresholds and automatic-restart behaviour before relying on them.\u003c\/li\u003e\u003cli\u003eAdd suitable schedules and notification permissions. Link voice services only if supported by your account and region.\u003c\/li\u003e\u003c\/ol\u003e\u003cdiv class=\"sd-notice\"\u003eUse the physical device's label and matching documentation rather than a newer listing's adjustment limits. Maintenance requires proper isolation and verification; remote switching does not replace that process.\u003c\/div\u003e\u003c\/section\u003e\u003csection class=\"sd-faq\" id=\"smfy-10377117237546-en-faq\" tabindex=\"-1\"\u003e\u003ch3\u003eBefore you choose it\u003c\/h3\u003e\u003ch3\u003eDoes it need a hub?\u003c\/h3\u003e\u003cp\u003eNo Zigbee hub is required for this Wi-Fi version. It connects to a 2.4 GHz router. Remote app and voice functions need their relevant network and internet services.\u003c\/p\u003e\u003ch3\u003eAre 40 A and 30 mA the same setting?\u003c\/h3\u003e\u003cp\u003eNo. 40 A is the rated load-current marking; 30 mA is the residual-current marking. The electrician must verify the actual settings and their suitability for the circuit.\u003c\/p\u003e\u003ch3\u003eCan I use a supplier screenshot as my settings guide?\u003c\/h3\u003e\u003cp\u003eNo. Screenshot values illustrate the app. Available settings can differ by revision, and the correct values depend on the actual circuit and connected equipment.\u003c\/p\u003e\u003c\/section\u003e\u003csection class=\"sd-faq\"\u003e\u003ch3\u003eManufacturer documents\u003c\/h3\u003e\u003cp\u003e\u003ca href=\"https:\/\/www.chayo.shop\/products\/type-ac-wifi-rcbo-tosmr1\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eOfficial Type AC Wi-Fi product page\u003c\/a\u003e — Check the exact device revision before adopting adjustable ranges.\u003c\/p\u003e\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0692\/1348\/7319\/files\/SMR1-SMART-METERING-CIRCUIT-BREAKER-Manual.pdf?v=1728461630\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eOfficial operating manual\u003c\/a\u003e — Controls, pairing, indicators and installation information for the documented series.\u003c\/p\u003e\u003cp\u003e\u003ca href=\"https:\/\/www.chayo.tech\/wp-content\/uploads\/2024\/04\/Smart-Circuit-Breaker-TOSMR1-Series.pdf\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eOfficial series datasheet\u003c\/a\u003e — Includes multiple communication and rating variants; use the information matching your device.\u003c\/p\u003e\u003c\/section\u003e\u003c\/article\u003e\u003cstyle\u003e.smfy-catalog-v5{--ink:#20313e;--muted:#586c79;--surface:#fff;--line:#dce7ee;--accent:#65afe5;--notice:#fff9e8;color:var(--ink);background:var(--surface);width:100%;max-width:none;padding:20px 12px;box-sizing:border-box;font-size:16px;line-height:1.8;font-family:inherit;overflow-wrap:anywhere}\n.smfy-catalog-v5 *{box-sizing:border-box}.smfy-catalog-v5 h2,.smfy-catalog-v5 h3,.smfy-catalog-v5 p{color:inherit;margin:0 0 12px}.smfy-catalog-v5 h2,.smfy-catalog-v5 h3{font-weight:500;line-height:1.5}.smfy-catalog-v5 bdi{unicode-bidi:isolate}.smfy-catalog-v5 .sd-intro{text-align:center;padding:24px 0 28px}.smfy-catalog-v5 .sd-intro h2{font-size:clamp(28px,3vw,42px);max-width:850px;margin:0 auto 18px}.smfy-catalog-v5 .sd-intro p{max-width:1000px;margin:0 auto;color:var(--muted);font-size:18px}.smfy-catalog-v5 .sd-nav{display:flex;flex-wrap:wrap;gap:24px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:12px 0;margin:0 0 16px}.smfy-catalog-v5 .sd-nav a{color:var(--muted);text-decoration:none;font-size:16px;line-height:1.8;padding:4px 0;border-bottom:2px solid transparent}.smfy-catalog-v5 .sd-nav a:hover,.smfy-catalog-v5 .sd-nav a:focus-visible{color:var(--ink);border-bottom-color:var(--accent)}.smfy-catalog-v5 .sd-nav a:focus-visible{outline:2px solid var(--ink);outline-offset:5px}.smfy-catalog-v5 [id]{scroll-margin-top:100px}.smfy-catalog-v5 [tabindex=\"-1\"]:focus-visible{outline:2px solid var(--ink);outline-offset:6px}.smfy-catalog-v5 .sd-features{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:28px;max-width:1000px;margin:0 auto;padding:20px 0 36px}.smfy-catalog-v5 .sd-features section{text-align:center;background:none;border:0;padding:0}.smfy-catalog-v5 .sd-features svg{display:block;width:76px;height:76px;margin:0 auto 18px;stroke:var(--accent);fill:none;stroke-width:3;stroke-linecap:round;stroke-linejoin:round}.smfy-catalog-v5 .sd-features h3{font-size:20px;margin-bottom:8px}.smfy-catalog-v5 .sd-features p{font-size:16px;color:var(--muted);margin:0}.smfy-catalog-v5 .sd-use{max-width:760px;margin:0 auto;padding:12px 0 24px}.smfy-catalog-v5 .sd-use h3{font-size:23px}.smfy-catalog-v5 .sd-use p{color:var(--muted)}.smfy-catalog-v5 .sd-specs{display:grid;grid-template-columns:1fr 1fr;gap:32px;margin:20px 0}.smfy-catalog-v5 .sd-specs h3{font-size:23px}.smfy-catalog-v5 table{width:100%;border-collapse:collapse;table-layout:fixed}.smfy-catalog-v5 th,.smfy-catalog-v5 td{border:0;border-bottom:1px solid var(--line);padding:10px 6px;text-align:start;font-size:14px;vertical-align:top;word-break:normal}.smfy-catalog-v5 th{font-weight:500;width:45%}.smfy-catalog-v5 td{color:var(--muted)}.smfy-catalog-v5 .sd-requirements{color:var(--muted);margin-bottom:16px}.smfy-catalog-v5 .sd-notice{padding:16px;border:1px solid var(--line);border-radius:12px;background:var(--notice);font-size:14px}.smfy-catalog-v5 .sd-faq{border-top:1px solid var(--line);margin-top:20px;padding-top:20px}.smfy-catalog-v5 .sd-faq h3{font-size:19px}.smfy-catalog-v5 .sd-faq p{color:var(--muted)}\n@media(max-width:749px){.smfy-catalog-v5{padding:12px 6px}.smfy-catalog-v5 .sd-intro{padding:16px 0 20px}.smfy-catalog-v5 .sd-intro h2{font-size:28px}.smfy-catalog-v5 .sd-intro p{font-size:16px}.smfy-catalog-v5 .sd-features{grid-template-columns:1fr;gap:24px;padding:16px 0 28px}.smfy-catalog-v5 .sd-features svg{width:64px;height:64px;margin-bottom:12px}.smfy-catalog-v5 .sd-features h3{font-size:19px}.smfy-catalog-v5 .sd-features p{max-width:420px;margin:auto}.smfy-catalog-v5 .sd-specs{grid-template-columns:1fr;gap:24px}.smfy-catalog-v5 .sd-use h3,.smfy-catalog-v5 .sd-specs h3{font-size:21px}}\n@media(prefers-color-scheme:dark){.smfy-catalog-v5{--ink:#f2f6fa;--muted:#c1ced8;--surface:#121b26;--line:#34495c;--accent:#8fcaf1;--notice:#302b1b}}\n.smfy-catalog-v5 .sd-features svg.brand-mark{stroke:none;fill:var(--accent)}\u003c\/style\u003e","brand":"TONGOU \/ CHAYO","offers":[{"title":"Default Title","offer_id":53080463343914,"sku":"SMFY-TOSMR1-40JWT","price":108000.0,"currency_code":"IQD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0889\/7504\/9002\/files\/tosmr1-40jwt-front-original-transparent.png?v=1792693783","url":"https:\/\/smartifyiq.com\/en\/products\/tosmr1-40jwt","provider":"SMARTIFY","version":"1.0","type":"link"}