The RM models are voltage regulated. The RM/VSD1 models are frequency regulated.

Common features:
• Converters for speed variation for fans with asynchronous single-phase motors.
• Speed drive power supply single-phase 230 V 50/60 Hz.
• Start/Stop switch.
• Speed adjustment by analog command.
• According to the Electromagnetic Compatibility Directives 2014/30 / EU and Low Voltage 2014/35 / EU.

RM models features:
• Minimum speed adjustment.
• With EMC filters in accordance with Standard EN 55014.

RM/VSD1 model features:
• 16AF protective fuse.
• Dual passive (radiator) and active (cooling fan) heat dissipation system.