Fan speed controller 400 VAC with gas valve control - 4 A
This is a three-phase transformer fan speed controller with an output to control a gas valve. An air flow sensor or pressure relay is required to detect the gas flow. The unregulated output is activated simultaneously with the fan. In case air flow is not detected within 60 seconds after the motor is started, the gas valve output is deactivated. Local safety regulations often dictate that gas can only be supplied after the kitchen hood exhaust fan above the stove has been activated. This makes the SFPR4 series the ideal fan speed controller for industrial kitchen hoods! Their TK monitoring function deactivates the motor in case of overheating. They control three-phase voltage controllable motors up to 4 A. The fan speed can be manually regulated in five steps. After a power failure, the motor will automatically restart. The enclosure allows surface mounting in indoor environments (IP54). Available voltage taps: 0-130-180-230-300-400 VAC.
Advanced AC fan speed control - TK monitoring, gas flow control
Factory lead time
Additional specifications and description
- ON/OFF via external switch
- thermal motor protection (TK) input
- auto restart after power failure
- extra input for (gas) flow detection
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