You need this set to supply your brake booster in the vehicle with vacuum.
This is a special vacuum pump from Hella that was specially developed for electric cars and thus provides the vacuum very quietly and quickly.
This is NOT the Hella UP28, because it generates a loud hum when in use.
The set consists of the following components:
- Hella vacuum pump (for electric vehicles)
- check valve
- Mechanical pressure switch with hysteresis
- Pressure switch protective cap
- threaded grommet
- tee
Technical specifications:
- Voltage 12V
- Negative pressure: approx. -700mbar
- Hysteresis: approx. 100mbar
