Value Brand
Value Brand Press Switch Open On Rise 300 PSI 6ALC0
High-pressure safety switch opens at 300 PSI to protect commercial refrigeration and air-conditioning compressors from refrigerant loss
- Protects compressor from refrigerant loss with automatic reset
- Opens at 300 PSI and closes at 200 PSI for high-pressure safety
- 18 inch capillary allows flexible mounting in tight spaces
- Compatible with R 12, R 22, R 134A and R 502 refrigerants
- NEMA 1 enclosure suits indoor commercial refrigeration and air conditioning
High-Pressure Safety Switch
The ZORO SELECT 6ALC0 is a single-pole single-throw pressure switch designed to open on rising pressure at 300 PSI. It protects compressors from loss of refrigerant in commercial refrigeration and air conditioning systems. The device covers a working range of 150 to 700 PSI and automatically resets once pressure drops to the 200 PSI close point.
1/4 in SAE Flare With 18 in Capillary
A 1/4 inch female SAE pressure connection allows direct attachment to standard service ports without extra adapters. The 18 inch capillary tube provides flexibility to mount the switch body away from vibration or heat sources while keeping the sensing element in the refrigerant flow. NEMA 1 rating limits use to indoor or sheltered locations.
Replaces Fixed High-Limit Controls
This switch upgrades basic fixed cut-out devices by offering a 300 to 200 PSI differential that reduces short-cycling. It suits systems charged with R 12, R 22, R 134A or R 502 refrigerants. Installers needing adjustable set points or outdoor-rated enclosures should specify a different model.
Highlights
- Protects compressor from refrigerant loss with automatic reset
- Opens at 300 PSI and closes at 200 PSI for high-pressure safety
- 18 inch capillary allows flexible mounting in tight spaces
- Compatible with R 12, R 22, R 134A and R 502 refrigerants
- NEMA 1 enclosure suits indoor commercial refrigeration and air conditioning
Specifications
| Brand | ZORO SELECT |
|---|
Questions about this item
What does the 1/4 in Female SAE pressure connection cap in practice?
The 1/4 in Female SAE pressure connection caps the refrigerant line attachment to a standard flare fitting size.
What does the 18 in capillary length require for mounting?
The 18 in capillary length requires enough clearance to route the tube from the switch body to the sensing point without sharp bends.
How is the auto-reset switch installed, and what step is often missed?
Connect the 1/4 in Female SAE fitting to the refrigerant line, secure the capillary, and verify the system pressure falls within the 150-700 PSI range before powering up.
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