Electrical Connection - Hydropa DS-4 7 Serie Anleitung

DS-4*7/4*2
The Pressure Switch for Safety Switching
Reduction of faults, caused by Micro-Switches, to a minimum.
Statistically up to 10 switching cycles
Fully interchangeable to DS-307/302. - Same dimensions.
Electrical lifetime
2 Micro-Switches with
a) different contact design
b) different contact material.

Electrical Connection

Switching symbols without pressure
DS-417
double NOC
2
3
NOC
1
Function pressure increase
DS-437
double NCC
2
3
NCC
1
Function pressure increase
2 R
DGBM-Roll-No. G. 9212767.3
6
considerably increased.
86
114
without faulty switching.
Micro-Switch 1
Micro-Switch 2
DS-427
double NOC
2
3
NCC
1
Function pressure decrease
DS-447
double NCC
2
3
NOC
1
Function pressure decrease
All mounting
dimensions
like DS-307/302
Preferred application:
air craft plants, lifting platforms ...