Description
The Cleveland Controls DDP-106-298M is a dual-action air pressure sensing switch engineered for precise differential pressure monitoring in commercial and industrial HVAC applications. Featuring two SPDT (Single-Pole, Double-Throw) contacts, this switch responds independently to both decreasing and increasing air pressure conditions, making it ideal for fan proving, filter monitoring, damper control, and airflow verification.
Key Features
- Dual SPDT contact configuration for independent switching on pressure rise and fall
- Wide sensing range: .05″ ± .02″ to 2″ w.c.
- Changes contacts on decreasing pressure at .40″ w.c. ± .05″ w.c.
- Changes contacts on increasing pressure at .90″ w.c. ± .05″ w.c.
- Wide voltage compatibility: 120V–277Vac
- 1/2″ conduit entry for easy field wiring
- Designed for reliable, long-service operation in demanding HVAC environments
Specifications
- SKU: DDP-106-298M
- Brand: Cleveland Controls
- Contact Type: 2 SPDT
- Pressure Sensing Range: .05″ ± .02″ to 2″ w.c.
- Decreasing Pressure Setpoint: .40″ w.c. ± .05″ w.c.
- Increasing Pressure Setpoint: .90″ w.c. ± .05″ w.c.
- Voltage Rating: 120V–277Vac
- Conduit Entry: 1/2″
Typical Applications
- Fan and blower proving in air handling units
- Air filter differential pressure monitoring
- Damper position verification
- Airflow status detection in commercial HVAC systems
- Building automation and control system integration
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