J-400 series pressure switchDetailed product description：

The J-400 series switch is both simple and economical for process control of multi-point switch output. Dual point or three-point switch control can set multiple outputs: alarm and off, pre alarm and alarm, high and low limit control, or liquid level segmented control.  

Micro pressure: Vacuum from -300 "water column to 250" water column (-746.7-622.3 mbar)
Pressure: 30 "Hg to 6000 psi (-1 to 413.7 bar)
Pressure difference: 1 "water column pressure difference to 200psid (2.5 mbar~13.8 bar)
Temperature: -115 ℃ to 340 ℃

specification	Sensor material and pressure sensing components	Pressure interface	Adjustable range (mbar)	Maximum pressure (bar)	Pressure resistance (bar)
J400-520	Nitrile rubber diaphragm, O-ring seal	1/2″NPTF	-746.7-0	thirteen point eight	twenty-seven point six
J400-521	Nitrile rubber diaphragm, O-ring seal	1/2″NPTF	-24.9-24.9	thirteen point eight	twenty-seven point six
J400-522	Nitrile rubber diaphragm, O-ring seal	1/2″NPTF	-124.5-124.5	thirteen point eight	twenty-seven point six
J400-523	Nitrile rubber diaphragm, O-ring seal	1/2″NPTF	1.2-12.4	thirteen point eight	twenty-seven point six
J400-524	Nitrile rubber diaphragm, O-ring seal	1/2″NPTF	6.2-124.5	thirteen point eight	twenty-seven point six
J400-525	Nitrile rubber diaphragm, O-ring seal	1/2″NPTF	24.9-622.3	thirteen point eight	twenty-seven point six

J400-530	Stainless steel diaphragm	1/2″NPTF	-746.7-0	three point four	six point nine
J400-531	Stainless steel diaphragm	1/2″NPTF	-24.9-24.9	three point four	six point nine
J400-532	Stainless steel diaphragm	1/2″NPTF	-124.5-124.5	three point four	six point nine
J400-533	Stainless steel diaphragm	1/2″NPTF	1.2-12.4	three point four	six point nine
J400-534	Stainless steel diaphragm	1/4″NPTF	6.2-124.5	three point four	six point nine
J400-535	Stainless steel diaphragm	1/2″NPTF	24.9-622.3	three point four	six point nine

J400-126	Brass corrugated pipe	1/4″NPTF	-1-0bar	zero point two	zero point three
J400-134	Brass corrugated pipe	1/4″NPTF	-1-1.4bar	one point four	one point seven

J-400 series pressure switch