vaccuum switch for shut-down

[ewmROVER]

I have to install a vaccuum switch in order to shut down the 616 going in my land rover.

However, I'm not sure of the psi range involved in the mercedes vaccuum system.

What do you think (some switches from McMaster Car)...

Mini Pressure Switches

• Repeatability: Not rated
• Pressure Sensing Element: Buna-N diaphragm-sealed piston
• Single adjustable setpoint with fixed deadband (see table)
• Electrical Switch: SPDT, 10 amps at 125/250 VAC
• Pressure Connection: 1/8" NPT male, 1/8" BSPP, or 1/8" BSPT brass
• Electrical Connection: 1/4" spade
• Temperature Range: Ambient and Process: -40° to +250° F
• Maximum Pressure: 250 psi
• UL listed

Sized just right for tight spots. Please specify pressure connection: NPT male, BSPP (British Standard Pipe Parallel), or BSPT (British Standard Pipe Taper).

Setpoint Range, psi Deadband, psi Each 2-101-23460K11 $19.806-302-43460K13 19.8020-1204-153460K15 19.80



Thanks for any advice on what will work for shut-down.