Ranco mini high-pressure pressure switch, NC, 13 – 18 bar, automatic, SPST, 1/4" SAE flare

The Ranco mini high-pressure pressure switch is a space-saving and reliable solution for pressure monitoring in refrigeration, heat pump, and HVAC systems . With a switching range of 13 to 18 bar, it is ideal for applications with medium to high system pressure , such as compressor monitoring or overpressure protection .

Equipped with a normally closed (NC) SPST contact, the circuit remains closed in the normal state and opens automatically as soon as the preset pressure is reached. The integrated automatic reset ensures uninterrupted restart after a pressure drop – without any manual resetting.

The standardized 1/4" SAE flare connection enables quick, leak-free and tool-free installation , ideal for use in compact commercial systems or for maintenance and retrofitting .

✅ Product advantages at a glance:

• Switching range 13 – 18 bar – ideal for medium to high pressure levels

• NC function (Normally Closed): opens automatically when pressure is reached

• SPST contact: reliable integration into control circuits

• Automatic reset: no manual intervention required

• 1/4" SAE flare connection: simple, solder-free installation

• Compatible with compressor monitoring, HVAC and refrigeration applications

🔧 Technical data:

• Brand: Ranco

• Type: Mini high pressure pressure switch

• Pressure range: 13 – 18 bar

• Function: NC (Normally Closed)

• Contact: SPST

• Reset: Automatic

• Connection: 1/4" SAE flare

• Applications: Refrigeration systems, heat pumps, HVAC systems, compressor monitoring

Weight: approx. 0.16 kg
Scope of delivery: 1 × Ranco mini pressure switch, NC, with automatic reset