The H600A Humidity Controller has a SPDT switch to operate humidifcation equipment on RH fall or dehumidification equipment on RH rise (or for mildew control with air conditioning systems).  All models have a locking cover; the setting kknob acts as a cover removal tool.

• Humidistat/Dehumidistat
• Wall mounted horizontal or vertical
• RH: 20% to 80%
• Differential: 5%RH
• Ratings (humidifier): 4.4LFA @120VAC, 2.2LFA @240VAC
• Ratings (dehumidifer): 7.5FLA @120VAC, 3.85FLA@240VAC
• Operating Temperature: 50°F to 125°F (10°C to 52°C)

Documents & Manuals:

H600A Humidity Controller Data

H600A Humidity Controller Instructions

H600A Humidity Controller Instructions - Tradeline

H600A Humidity Controller Instructions (International)