Dwyer H3A-1SL Explosion-Proof Differential Pressure Switch
Request a quote
Dwyer H3A-1SL explosion-proof differential pressure switch with 10–180 in H₂O range, aluminum/nitrile chamber, SPDT snap contacts.
Product details
| Model | H3A-1SL |
| Manufacturer | Dwyer Instruments |
| Category | Pressure Switches |
| Availability | Made to order |
Description
Overview
The Dwyer H3A-1SL is an explosion-proof differential pressure switch designed for hazardous locations where flammable gases, vapors, or dusts may be present. It combines rugged construction with reliable snap-action switching for safety-critical applications.
Key Features
- Explosion-proof design for Class I, II, III hazardous locations
- Pressure range: 10–180 in H₂O
- Chamber/Diaphragm Material: Aluminum/Nitrile for chemical resistance
- SPDT snap-action switch with reliable switching performance
- Electrical connections: wire terminals
Applications
- HVAC and building automation systems in hazardous areas
- Industrial process monitoring and safety systems
- Air filtration and pressure monitoring in explosive environments
Specifications
| Pressure Range | 10–180 in H₂O |
| Chamber Material | Aluminum |
| Diaphragm Material | Nitrile |
| Switch Type | SPDT Snap Action |
| Electrical Connection | Wire terminals |
Request a quote
Dwyer H3A-1SL Explosion-Proof Differential Pressure Switch
Response within 24 hours
No obligation
Direct communication