674DE series universal explosion-proof differential pressure switchDetailed product description：

674DE series universal explosion-proof differential pressure switch

Basic features: UL/CSA
NEMA:4,7,9,13
Explosion-proof type
Temperature: -34 to 71 ℃
Factory settings

interface dimensions	1/8"
Interface materials	Aluminum alloy
Diaphragm Material	Sodium polybutadiene rubber

Maximum allowable pressure (MPa)	Set pressure range (MPa)	Pressure reduction setting range (MPa)	Pressure switch model
			SPDT	DPDT
twenty point six nine	0.048～0.552	0.014～0.469	674DE1	674DEM1
twenty point six nine	0.559～2.414	0.455～2.048	674DE2	674DEM2
twenty point six nine	2.421～5.517	2.007～4.690	674DE3	674DEM3

Contact capacity

voltage	Power Supply
	SPDT	DPDT"M"
	Res	Res
125AC-50/60Hz	eleven	eleven
250AC-50/60Hz	eleven	eleven
30DC	five	five
125DC	five	five

674DE series universal explosion-proof differential pressure switch