Sorry, this family of products is no longer available. The replacement family of products is Baratron® 41C Single-End Gauge Pressure Switches.
The 41B Single-end 10 - 26,000 Torr Pressure Switch offers accurate and reliable protection for vacuum vacuum/pressure processes. The 41B is referenced to atmospheric pressure. The trip point on can be set to trip above, below (reverse calibration), or exactly at current atmospheric pressure.
| Pin | Description | 
|---|---|
| 1 | Power Return (-) | 
| 2 | Power Input (+) | 
| 3 | Relay NO Contact | 
| 4 | Relay Common | 
| 5 | Relay NC Contact | 
| 6 | Unused | 
| 7 | Unused | 
| 8 | Unused | 
| 9 | Chassis Ground | 
| Wire | Description | 
|---|---|
| Red | Power Input (+) | 
| Black | Power Return (-) | 
| Green | Relay NO Contact | 
| White | Relay Common | 
| Orange | Relay NC Contact | 
| Bare Wire | Chassis Ground |