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Differential Pressure Switches -: Back
GM - 301 GM - 310 GN - 310
Pressure Switch GH - 901 Pressure Switch GK - 931 Pressure Switch GBW - 931
(I) "Classic" Series [GM - 301, GM - 310, GN - 310]
Instrument Model Sensor & Material Range On-off Differential Max. Working Pressure Contact Current Rating
301 Metallic Diaphragm 316L SS 3-25 mBar to
1.5 to 15 Bar
Fixed 110 Bar 5A / 15A
250V AC
303 Metallic Diaphragm 316L SS 3- 25 mBar
to 0.1 to 1.5 Bar
Adjustable 110 Bar 5A / 15A
250V AC
304
(High Static Pressure)
Diaphragm
316L SS
3- 25 mBar to
1.5 to 15 Bar
Fixed 250 Bar 5A / 15A
250V AC
381
(Dual Setpoint)
Diaphragm
316L SS
5- 120 mBar to
1.5 to 15 Bar
Independent * 110 Bar 5A / 15A
250V AC
384 (Dual Setpoint, High Static Pressure) Diaphragm
316L SS
5- 120 mBar to
1.5 to 15 Bar
Independent * 250 Bar 5A / 15A
250V AC
306
(Economy Version)
Diaphragm Nitrile / Silicone (-)0.6 - (+)0.6 mBar to
0.2 to 4 Bar
Fixed 15 Bar for High Ranges 0.5 Bar
for Low
Ranges
5A / 15A
250V AC
386 (Dual Setpoint, Economy Version ) Diaphragm Nitrile / Silicone 5- 120 mBar to
0.2 to 4 Bar
Independent * 15 Bar for High Ranges 0.5 Bar
for Low Ranges
5A / 15A
250V AC
310
(Low Ranges)
Diaphragm Neoprene / EPDM / Silicone (-)2.5 - (+)2.5 mBar to 10 to
100 mBar
Fixed 0.5 Bar 5A / 15A
250V AC
313 Diaphragm Neoprene / EPDM / Silicone 0.5 - 5 mBar to
10 to 100 mBar
Adjustable 0.5 Bar 5A / 15A
250V AC
* Independent Hi-Lo switching with Fixed Differential