400 V motor 4 A | fan speed control | overload protection

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Article code TA4------001

Current stock 0 U.

Factory lead time 4 Week(s)

Solution description

Fan speed controller with overload protection for 400 V voltage controllable motors. The maximum motor current is 4 A. Typically, it regulates fan speed in HVAC applications. The fan speed can be selected via the 5-step rotary switch. In OFF position (zero), the motor is disabled. The digital input can be used for remote start-stop commands. The thermomagnetic circuit breaker provides protection against overload. After a power failure, the motor automatically restarts. The autotransformer technology generates a motor voltage with a perfect sinusoidal shape. This guarantees quiet motor operation.

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Article code

Quantity

Description

STTA4-40L40

1 U.

This is a five-step fan speed controller with a thermomagnetic circuit breaker built in. It controls three-phase 400 volt motors. The maximum combined motor current is 4 A. The rotary switch is used to control the fan speed. Remote start/stop orders can be sent via the digital input. After a power outage, the motor will resume automatically. The thermomagnetic circuit breaker will promptly trip and stop the motor in the event of a short circuit or overload. By lowering the motor voltage with autotransformers, the fan speed is controlled in five stages. The output voltage's precise sinusoidal form ensures that the motor runs quietly. In interior conditions (IP54), the metal casing enables for surface mounting. The power source voltage is 400 VAC.

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