Datasheet

Direct current DC-3
For use as control switch:
Cut-in and cut-out pressures are factory-preset as specified with type suffix ￫203948
Technical data
General
Standards   IEC/EN 60947-4-1
Test pressure  bar 32
Rupturing pressure  bar 90
Operating frequency Operations/h  ≦ 1500
Climatic proofing   Damp heat, constant, to IEC 60068-2-78
Damp heat, cyclic, to IEC 60068-2-30
Ambient temperature   -25 - 70
Degree of Protection   IP65
Mounting position   As required
Mechanical shock resistance to IEC 60068-2-27 Half-
sinusoidal
shock 20 ms
g > 10
Vibration resistance acc. to IEC/EN 60068-2-6 Amplitude 1
mm
Hz 36
lifespan Operations
x 10
6
0.5
Terminal capacities 
mm
2

Solid 
mm
2
1 x (0.75 - 2.5)
2 x (0.75 - 1.5)
Flexible with ferrules to DIN 46228 
mm
2
1 x (0.5 - 1.5)
2 x (0.5 - 1.5)
Terminations   Flat terminal with clamping washer
Terminal screw   M4
Tightening torque of terminal screw  Nm 1.2
Contacts/switching capacity
Rated impulse withstand voltage U
imp
V AC 4000
Rated insulation voltage U
i
V 400
Overvoltage category/pollution degree   III/3
Max. short-circuit protective device   
Fuseless  Type PKZM0-20
02/07/2019 Eaton 057679 ED2019 V52.0 EN 2 / 6