Harmann - automation - transformer speed regulator ST2R 1

Transformer, two-stage rotational speed controller for single-phase (230 V, 50 Hz) motor in rotary devices (pumps, fans) with an integrated timer. The device enables automatic two-stage change of engine speed into fan in (selection of low / high speed / standstill using a timer).

Technical data

• two-stage speed regulation
• built-in thermal protection
• password protection
• LCD panel
• housing made of impact-resistant and UV-resistant ABS plastic in light gray or of sheet steel
• non-adjustable output (230 V / 2 A) for controlling an additional valve, indicator or damper actuator
• two pairs of terminal in (OC, CC) for connecting external contacts in potential-free
• available thresholds 80-100-120-150-170-190-230 V
• surface mounting
• degree of protection IP54
• maximum working temperature 35 C