Among others, Ehrler & Beck offers these vacuum switches:
VACUUM SWITCH TYPE BUS-PSVDD
The BUS-PSVDD vacuum switch has a G1/8″ male thread for direct installation in the pipework. The vacuum switch is programmed using the three control buttons. The vacuum reached is displayed digitally. The housing can be rotated freely. The vacuum switch can be programmed as a normally closed or normally open contact. The hysteresis is also adjustable. Detailed operating instructions are supplied.
| Type | G | L | Weight | Order number |
| BUS-PSVDD | 1/8” | 75.3 | 0.021 | BUS.006 |
| BUS-KAB 5 | Standard length of the connecting cable is 5m | BUS-KAB.005 | ||
VACUUM SWITCH TYPE BUS-SPAB
The BUS-SPAB vacuum switch has a G1/8″ male thread for direct installation in the pipework. The vacuum switch is programmed using the three control buttons. The vacuum reached is displayed digitally. The vacuum switch can be programmed as a normally closed or normally open contact; the hysteresis is also adjustable. Detailed operating instructions are supplied.
| Type | L | B | H | G | Weight | Order number |
| BUS-SPAB | 42 | 30 | 30 | 1/8” | 0.043 kg | BUS.010 |
| BUS-KAB 10 | Standard length 3 m | BUS-KAB.010 | ||||
