Position switches
Explosion-protected
Type : 8074/2-1-W-40
AC oper vol. (equal potential): 500 V
AC op vol. (unequal potential): 250 V
DC rated operational voltage : 125 V
Rated operational current : 4,4 A
Version : 2nd generation
Contacts : 1 NC + 1 NO
Degree of protection (IP) : IP66
Application range (zones) : 1 , 2 , 21 , 22
Gas explosion protection : II 2 G Ex de IIC T6....T5 Gb
Dust explosion protection : II 2 D Ex tb IIIC T80 °C ....T95 °C Db
Contact material : Silver-nickel
Enclosure material : Corrosion res. alu., powder-c.
1.4401 stainle. steel, blasted
Number of NCs : 1
Number of NOs : 1
Actuator : Plunger
Switching function : Slow-action contact
Maximum operating frequency : 1800 operating cycles/h
Electrical service life : Max. 10^6 operating cycles
Screw connections : 1 x M20 Ø 4 - 13 mm
Clamping range : 4 ... 13 mm