Harmann - automation - transformer speed regulator STRS 4
Price on request
Product description
Five-stage transformer speed controller for three-phase motor in rotary devices (pumps, fans). It is equipped with an input for connecting a motor thermal contact. It is used as a manual speed control in the motor in the fan in three-phase mode by changing the supply voltage.
Technical data
- housing made of painted steel sheet
- switch on the housing
- LED indicating power on
- built-in thermal protection (TK)
- non-adjustable output (230 V / 2 A) for controlling an additional indicator, valve or damper actuator
- no resumption of operation after power failure (manual reset required after motor failure signal)
- degree of protection IP54
- surface mounting
- working levels: L40 models - 0-130-180-230-300-400 V; models L50 - 0- (130) -170-220-260-300-400 V
- maximum working temperature 35 C