Harmann - automation - transformer speed regulator STRA 1

Five-stage transformer speed controller for single-phase (230 V, 50 Hz) motor in rotary devices (pumps, fans). Allows manual adjustment of the rotation of the motor in the fan by changing the supply voltage.

Technical data

• five-stage adjustment
• manual engine speed control
• housing made of impact-resistant and UV-resistant ABS plastic in light gray or of sheet steel
• LEDs indicating power on and failure
• resume function after a power outage
• built-in thermal protection (TK)
• two pairs of terminal in (OC, CC) for connecting external contacts in potential-free to stop and resume motor operation
• non-adjustable output (230 V / 2 A) for controlling an additional valve, indicator or damper actuator
• surface mounting
• degree of protection IP54
• working stages: models L22 0- (80) -110-140-170-190-230 V; models L20 0- (80) -100-120-140-170-230 V
• maximum working temperature 35 C