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Connected RCBO 1–40 A Wi-Fi (v4) — photo 1 Connected RCBO 1–40 A Wi-Fi (v4) — photo 2 Connected RCBO 1–40 A Wi-Fi (v4) — photo 3 Connected RCBO 1–40 A Wi-Fi (v4) — photo 4 Connected RCBO 1–40 A Wi-Fi (v4) — photo 5 Connected RCBO 1–40 A Wi-Fi (v4) — photo 6

Connected RCBO 1–40 A Wi-Fi (v4)

Ref. SBLYU01-40v4 ASIN B0BKCC6VC2 EAN 3770029009007 Brand WizElek

  • Complete electrical protectionSmart RCBO certified to EN 61009-1, combining residual current, overload and short-circuit protection. Adjustable rating from 1 A to 40 A (curve C).
  • Adjustable residual currentResidual current threshold adjustable from 10 mA to 100 mA, Type AC, to match the protection level precisely to the installation and the connected equipment.
  • OLED display and real-time measurementsDisplays and records voltage, current, power, internal temperature and energy consumption. Read locally on the OLED display or remotely in the app.
  • Autonomous auto reclosingUp to 3 automatic reclosing attempts after a fault. Works without internet. Settings are stored locally and remain active if Wi-Fi drops or the cloud is unavailable.
  • Tuya Smart appRemote control and monitoring via Tuya Smart and Smart Life on Android and iOS. Set protection thresholds, view energy history, receive notifications and run smart home scenarios.

The WizElek SBLYU01-40v4 smart RCBO is a Wi-Fi residual current breaker with overcurrent protection certified to EN 61009-1, combining residual current, overload and short-circuit protection in a single device. Its Type AC residual current threshold is adjustable from 10 mA to 100 mA, so the protection level can be matched precisely to the installation. The rated current is also adjustable from 1 A to 40 A (curve C). Compatible with Tuya Smart and Smart Life: voltage, current, power, internal temperature and energy consumption can be read in real time on an Android or iOS smartphone or directly on the built-in OLED display. The automatic reclosing function makes up to three attempts once the fault has cleared. Because settings are stored locally, protection remains active without an internet connection or if the Wi-Fi network fails. Compact and designed for DIN rail mounting, it is a complete solution for protecting, monitoring and smartly managing electrical installations.

Documentation & support

User manual (PDF, 0.1 MB) · User manual (PDF, EN FR DE IT ES NL SV, 0.4 MB)

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