Ranco mini low-pressure pressure switch, NO, 2.5 – 4.2 bar, automatic, SPST, 1/4" SAE flare

The Ranco mini pressure switch is the perfect solution for refrigeration and air conditioning applications requiring precise control in the medium-low pressure range . With a switching range of 2.5 to 4.2 bar and a compact design, this model is ideal for evaporator control, heat pumps, and commercial refrigeration systems .

The integrated SPST contact in NO (Normally Open) design automatically closes the circuit as soon as the set pressure is reached. Thanks to the automatic reset, the switch automatically returns to its original position when the pressure drops – without manual resetting. This saves time and reduces maintenance.

With the 1/4" SAE flare connection, the pressure switch can be installed quickly, safely, and without soldering – ideal for quick replacement or service calls.

✅ Product advantages at a glance:

• Compact mini pressure switch for medium low pressure applications

• Switching range from 2.5 – 4.2 bar – ideal for evaporators and heat pumps

• NO contact (Normally Open) – current flow when pressure is reached

• Automatic reset – maintenance-free operation

• 1/4" SAE flare connection – quick and leak-free installation without soldering

• Perfect for refrigeration systems, air conditioning systems, heat pumps and service calls

🔧 Technical data:

• Brand: Ranco

• Model: Mini

• Pressure range: 2.5 – 4.2 bar

• Function: NO (Normally Open)

• Contact: SPST

• Reset: Automatic

• Connection: 1/4" SAE flare

• Type: Mini low pressure pressure switch

• Areas of application: Refrigeration technology, air conditioning systems, heat pumps, evaporator control

Weight: approx. 0.15 kg
Scope of delivery: 1 × Ranco mini pressure switch, NO, automatically reset