Diary and Events
NEC Birmingham(B40 1NT)
25/09/2019 - 26/09/2019
Sensors & Instrumentation Live will celebrate its 10 year anniversary in 2019 and the UK’s (more)
NEC, Birmingham(B40 1NT)
01/10/2019 - 03/10/2019
The UK’s largest ever event in the processing and packaging sector calendar. With over 350 exhibitors (more)
AC speed controller for Rittal fans and filters
Rittal's new SK3120.200 is an electronic speed control for 2-pole single-phase AC motors which replaces the older controllers SK3120.000 and SK3120.115. The new device has a supply range from 100V to 230V 50/60Hz in one unit and is a simple snap fit onto standard 35mm support rails, which makes it easier to position within the enclosure.
Supplied with a temperature sensor that can be positioned within the enclosure to monitor particular hot spots, the device controls the fan speed based on a manually adjusted set point P1 to ensure optimum cooling and noise reduction is given at all times. A minimum speed set point P2 allows full control over cooling within the enclosure.
A visual LED and an alarm relay will give indication of either over temperature, fan fail, sensor fail or short circuit and interruption to the supply cable or fan cable.
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