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Circuit breakers for reliable overload and short-circuit protection in AC and DC distribution networks, covering MCB, MCCB, and smart breaker product lines.
WTAI offers a complete range of circuit breakers for AC and DC applications, covering residential, commercial, and industrial distribution systems. From miniature and moulded case breakers to smart protection devices, our solutions help safeguard equipment and people against overload and short-circuit risks.
All products are manufactured to international standards with strict quality control, delivering stable performance for panel builders, OEMs, and electrical contractors worldwide.
WiFi Remote Control: Built-in WiFi connectivity enables app-based on/off, scheduling and instant alerts from anywhere, without a separate gateway. Built-in Residual Protection: AC type residual current protection with 30mA, 50mA, 100mA and 300mA settings for leakage and shock safety. Real-time
Smart Remote Control: 4G and WiFi communication with Bluetooth and RS485 support, enabling remote on/off, status checks and alerts through the app. Built-in Residual Protection: AC type residual current protection with 30mA, 50mA, 100mA and 300mA settings for leakage and
High Current Rating: Rated current from 100A to 250A on the WTM1-250, with the WTM1 series spanning 16A to 1250A for DC distribution. DC Voltage Coverage: DC operating voltage of 550V in 2P, 750V in 3P and up to 1500V
WTM7-63 DC Miniature Circuit Breaker (DC MCB) DC Voltage Coverage: Rated voltage from DC 250V in 1P configuration up to DC 1000V in 4P configuration, matching the pole count to the DC system voltage. Complete Ratings Range: Rated current from
WTB1-63 1-4P ACCB with residual current protection. 4-pole, 20A rated.
WTB2-80ML 2P IOT WIFI Smart Circuit Breaker. Remote control via WiFi/RS-485/Bluetooth, smart metering.
WTB2-80ML 2P IOT 4G Smart Circuit Breaker. Remote control via 4G/RS-485/Bluetooth, smart metering.
WTM1-250 2P DC MCCB. 250A rated, 2-pole. Overload/short circuit protection for DC circuits.
WTM1-250 4P DC MCCB. 250A rated, 4-pole. Overload/short circuit protection for DC circuits.
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