DUNGS Pressure Switch ÜB/NB…A2 Series
The pressure limiters ÜB…A2 and NB… A2 are compact pressure switches as per EN 1854 for DUNGS multiple actuators. The pressure switches are suitable for switching a circuit on, off or over on changes in actual pressure value relative to the set reference value. The reference valve (switching point) can be set easily and quickly by means of a setting wheel provided with a scale without the use of a pressure gauge.Pressure switches for DUNGS multiple actuators GasMultiBloc and DMV double solenoid valve. Various mounting options directly on housing or by means of an adapter. Standard mounting on valve housing on the inlet side via threaded flange. Suitable for gases of families 1,2,3 and other neutral gaseous media.
Max. Operating pressure: 500/600 mbar
Model Versions of DUNGS ÜB…A2, NB…A2 pressure limiters are the control unit responds to pressure. Interlock is performed when the set reference value is exceeded or undershot. The “Locked” switching state is indicated by a glow lamp. Restart is only possible by activating the reset button on the setting wheel of the pressure limiter after the operating pressure is attained :
- ÜB…A2: Switches on and locks if the set pressure value is exceeded.
- NB…A2: Switches on and locks if the pressure is lower than the set pressure value.
| ÜB…A2 Model : | Settings Range [mbar] | Degree Protection |
| ÜB 50 A2 | 5 mbar – 50 mbar | IP 54 |
| ÜB 150 A2 | 30 mbar – 150 mbar | IP 54 |
| ÜB 500 A2 | 50 mbar – 500 mbar | IP 54 |
| NB..A2 Model : | Settings Range [mbar] | Degree Protection |
| NB 50 A2 | 5 mbar – 50 mbar | IP 54 |
| NB 150 A2 | 30 mbar – 150 mbar | IP 54 |
| NB 500 A2 | 50 mbar – 500 mbar | IP 54 |
