What is the normal governor cut-out pressure range for most air brake systems?

1. 60 to 80 psi (414 to 552 kPa)
2. 120 to 145 psi (828 to 1,000 kPa)
3. 150 to 180 psi (1,034 to 1,241 kPa)
4. 85 to 100 psi (586 to 690 kPa)