Body Size: 20, Thread: N (NPT), Port Size: 01 (1/8), Option: Standard, Semi-Standard 1: 2 (Metal Bowl), Semi-Standard 2: RZ (R + Z)

Body Size: 20, Thread: N (NPT), Port Size: 01 (1/8), Option: Standard, Semi-Standard 1: 1C (1 + C), Semi-Standard 2: RZ (R + Z)

Body Size: 20, Thread: N (NPT), Port Size: 01 (1/8), Option: Standard, Semi-Standard 1: 2J (2 + J), Semi-Standard 2: RZ (R + Z)

Body Size: 20, Thread: N (NPT), Port Size: 01 (1/8), Option: w/o Mounting Option, w/o Pressure Gauge, Semi-Standard: RZ (R + Z)

Body Size: 20, Thread: N (NPT), Port Size: 01 (1/8), Option: B (Assembly of a Bracket & Set Nuts), Semi-Standard: 1YZ (1 + Y + Z)

Body Size: 20, Thread: N (NPT), Port Size: 01 (1/8), Option: B (Assembly of a Bracket & Set Nuts), Semi-Standard: RYZ (R + Y + Z)

Body Size: 20, Thread: F (G), Port Size: 01 (1/8), Option: w/o Mounting Option, w/o Pressure Gauge, Semi-Standard: 1N (1 + N)

Body Size: 20, Thread: F (G), Port Size: 01 (1/8), Option: w/o Mounting Option, w/o Pressure Gauge, Semi-Standard: NR (N + R)

Body Size: 20, Thread: N (NPT), Port Size: 01 (1/8), Option: H (Set Nut for Panel Fitting), Semi-Standard: 1RYZ (1 + R + Y + Z)

Body Size: 20, Thread: N (NPT), Port Size: 01 (1/8), Option: M (Round Pressure Gauge w/ Color Zone), Semi-Standard: RYZ (R + Y + Z)

Body Size: 20, Thread: N (NPT), Port Size: 01 (1/8), Option: w/o Mounting Option, w/o Pressure Gauge, Semi-Standard: 1Z (1 + Z)

Body Size: 20, Thread: N (NPT), Port Size: 01 (1/8), Option: w/o Mounting Option, w/o Pressure Gauge, Semi-Standard: YZ (Y + Z)

This is a legacy product, and replaced byZSE20-N-M-01-L ZSE30 VACUUM SWITCH. SWITCH. VACUUM SERIES. ZSE30 1/8 PORTED. .35900 lb. JC.

Body Size: 20, Backflow: K (w/Backflow Function), Thread: N (NPT), IN Port Size: 01 (1/8), OUT Port Size: 01 (1/8), Options: w/o Mounting Option, Set Pressure: 0.05 TO 0.85 MPa Setting, Exhaust Mechanism: Relieving Type, Knob: Downward, Pressure Unit: Z (Unit on Product Label: psi, Pressure Gauge: MPa/psi Dual Scale)

Body Size: 20, Backflow: without Backflow Function, Thread: N (NPT), IN Port Size: 01 (1/8), OUT Port Size: 01 (1/8), Options: w/o Mounting Option, Set Pressure: 1 (0.02 to 0.2 MPa Setting, Exhaust Mechanism: Relieving Type, Knob: Downward, Pressure Unit: Z (Unit on Product Label: psi, Pressure Gauge: MPa/psi Dual Scale)

Body Size: 20, Backflow: without Backflow Function, Thread: N (NPT), IN Port Size: 01 (1/8), OUT Port Size: 01 (1/8), Options: B (w/Bracket), Set Pressure: 1 (0.02 to 0.2 MPa Setting, Exhaust Mechanism: Relieving Type, Knob: Downward, Pressure Unit: Z (Unit on Product Label: psi, Pressure Gauge: MPa/psi Dual Scale)

Body Size: 20, Backflow: without Backflow Function, Thread: N (NPT), IN Port Size: 01 (1/8), OUT Port Size: 01 (1/8), Options: E1 (Output: NPN output / Electrical entry: Wiring bottom entry), Set Pressure: 0.05 TO 0.85 MPa Setting, Exhaust Mechanism: Relieving Type, Knob: Downward, Pressure Unit: ZA (Digital Pressure Switch: w/Unit Selection Function)

Body Size: 20, Backflow: without Backflow Function, Thread: N (NPT), IN Port Size: 01 (1/8), OUT Port Size: 01 (1/8), Options: E2 (Output: NPN output / Electrical entry: Wiring top entry), Set Pressure: 0.05 TO 0.85 MPa Setting, Exhaust Mechanism: Relieving Type, Knob: Downward, Pressure Unit: ZA (Digital Pressure Switch: w/Unit Selection Function)

Body Size: 20, Backflow: without Backflow Function, Thread: N (NPT), IN Port Size: 01 (1/8), OUT Port Size: 01 (1/8), Options: E3 (Output: PNP output / Electrical entry: Wiring bottom entry), Set Pressure: 0.05 TO 0.85 MPa Setting, Exhaust Mechanism: Relieving Type, Knob: Downward, Pressure Unit: ZA (Digital Pressure Switch: w/Unit Selection Function)

Body Size: 20, Backflow: without Backflow Function, Thread: N (NPT), IN Port Size: 01 (1/8), OUT Port Size: 01 (1/8), Options: E4 (Output: PNP output / Electrical entry: Wiring top entry), Set Pressure: 0.05 TO 0.85 MPa Setting, Exhaust Mechanism: Relieving Type, Knob: Downward, Pressure Unit: ZA (Digital Pressure Switch: w/Unit Selection Function)