Harmann - automation - transformer speed regulator STR 1

Transformer speed controller for single-phase (230 V, 50 Hz) motor in rotary devices (pumps, fans). It is used as a manual speed control in the motor in a fan by changing the supply voltage.

Technical data

• five-stage adjustment with a switch on the housing
• The casing is made of light gray ABS plastic or steel sheet
• surface mounting
• manual engine speed control
• degree of protection IP54
• LED indicating power on
• non-adjustable output (230 V / 2 A) for controlling an additional indicator, valve or damper actuator
• maximum working temperature 35 C
• working levels: L10 models - 0-80-110-140-170-230 V; models L22 - 0- (80) -110-140-170-190-230 V; models L20 - 0- (80) -100-120-140-170-230V