Usage Tips:3 Phase 380V Air Compressor Pressure Control Valve Vertical 4 Hole SwitchPressure Switch, 380v Three Phase 4 Holes Vertical Pressure Switch Control Valve For Air Compressorg1/4" The product is shipped based on the color or size of the main image of the product page. Quantity: one piece Model: NF-A8 Vertical four-way switch Net weight: approximately 273 grams Dimensions: 82*52*127MM (length*width*height) Rated voltage: 220/380 V Exhaust pipe: 6MM Contact method: normally closed Connector size: 1/4 inch 2 minutes internal thread about 12MM Decompression port outer diameter: 9.5MM Maximum current: 20 A Working pressure: 5-8KG (90-125PSI) Lifetime: 80,000 times : Made of material, long mechanical life. Replacement: Easy to install and use, the best replacement for the old or broken one . Excellent Performance: This pressure switch can work stably at 125psi pressure, it is a great switch for air compressors and can help you save electricity. Products from Chunchuan's store