Description
The United Electric H100-218 vacuum switch is a field-adjustable control designed for monitoring vacuum conditions in HVAC, process, and industrial systems. Engineered for reliable performance, this switch is commonly used for system protection, alarm activation, and control functions where maintaining proper vacuum levels is critical. The unit features a 1/4" FNPT pressure connection for standard system integration and ease of installation. Its SPDT (single-pole, double-throw) contact configuration allows for flexible wiring of normally open and normally closed circuits. Housed in a NEMA 4-rated enclosure, the H100-218 provides protection against water and dust, making it suitable for demanding indoor and outdoor environments.
Key Features
- Vacuum switch for monitoring negative pressure conditions
- 1/4" FNPT connection for standard system compatibility
- SPDT switch configuration for flexible control wiring
- NEMA 4 enclosure for water-resistant and dust-tight protection
- Designed for HVAC, process, and industrial vacuum applications
- Durable construction for reliable long-term performance
- Ideal for system control, alarm, and equipment protection
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