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The S350A, S351A, and S352A Stage Modules are intended to be used with System 350™ controls. Each of these stage modules plugs into the respective control module to add multiple-stage capability. These stage modules have Single-Pole, Double-Throw (SPDT) relay output with Light-Emitting Diode (LED) indication.

As are all System 350 products, the stage modules are housed in NEMA 1, high-impact thermoplastic enclosures. The modular design provides easy, plug-together connections for quick installation and future expandability
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Manuals (1)
Product Type:
Humidity Module
Power Consumption:
1.0 VA
Humidity Range:
0 to 95% RH (Non Condensing)
Enclosure Type:
DIN Rail
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