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The SPDT output relay is rated for 10A resistive loads at 120/240 VAC
Designed specifically for compatibility with Carrier air conditioning units and refrigeration systems
The hardware includes a 6-foot capillary and a 3/8" x 5" copper sensing bulb
ensuring longevity under high-cycle conditions
Smith 100165859 without bracket modifications
Armstrong International A8581 Humidistat Refrigerant The SPDT output relay isThe Armstrong International A8581 Humidistat (also known as the A 8581) is a high performance on off high limit duct humidistat designed for precise safety and control in industrial and commercial HVACR applications. Engineered as a duct mounted high limit stat, this unit is specifically recommended to prevent localized saturation and downstream condensation within air handling systems. It serves as a critical safety component, typically set at 85% RH