Harmann - automation - transformer speed regulator STVS 1

Transformer five-stage speed regulator for single-phase (230 V, 50 Hz) motor in rotary devices (pumps, fans). The device allows remote control of the rotation of the motor in the fan by gradually changing the supply voltage.

Technical data

• housing made of impact-resistant and UV-resistant ABS plastic in light gray or steel sheet
• five-speed speed control
• change of rotational speed of the regulated motor gradually based on the value of the given analog signal from 0-10 VDC
• built-in thermal protection (TK)
• LEDs indicating voltage connection and alarm
• 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
• 0-2-4-6-8-9.5 VDC input signal
• working stages (output) 0- (80) -110-140-170-190-230 V
• surface mounting
• degree of protection IP54
• maximum working temperature 35 C