The Cleveland Controls DFS-221 is an air differential switch from the DFS Series pressure switch family, designed with a fixed setpoint. This HVAC sensor operates within a pressure range of 0 to 0.05 in WC and can withstand a maximum pressure of 0.5 psi. It is rated for a voltage of 115-277 VAC and features spade electrical connections alongside a 1/4 in slip-on connector. Engineered to function reliably in diverse environments, the unit has an operating temperature range of -40 to 180 °F. This model does not include a display. Built to meet rigorous industry standards, the DFS-221 carries multiple major safety and compliance approvals including CE, CSA, cUL, FM, and UL. It is ideally suited for precise air pressure monitoring and control applications in HVAC systems requiring a fixed set point range.
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| Manufacturer | CLEVELAND CONTROLS |
|---|---|
| Country | |
| Part number | DFS-221 |
| Inner Code | 4076951 |
| Product type | DFS Series Pressure Switch |
|---|---|
| Product Series | DFS |
| Family Series | Cleveland Controls HVAC Sensors, DFS Series |
| Description | Pressure Switch, Fixed Setpoint |
| Pressure Range | 0-0.05 in WC |
| Connection | 1/4 in Slip-On Connector |
| Sensor Style | Air Differential Switch |
| Display | No |
| Maximum Pressure | 0.5 psi |
| Voltage | 115-277 VAC |
| Electrical Connection | Spade |
| Operating Temperature | -40-180 °F |
| Approvals | CE, CSA, cUL, FM, UL |
| Comments | Fixed Set Point Range |