Factory modification
3-way lever
Vacuum switch type of operation
Regulation between two thresholds
Vacuum sensor size
25 inHg
Approx adjustable differential at mid range
5…10 inHg
Value of setting
20...25 inHg
Maximum permissible pressure - per cycle
689.48 kPa
Fluid connection type
0.25 inch 18 NPSF conforming to UL 508
Electrical connection
Screw-clamp terminals AWG 22...AWG 12
Cable entry number
3 knock-outs for 1/2" NPT conduit
Terminal block type
8 screw terminals
Pressure actuator
Diaphragm nitrile (Buna-N)
Controlled fluid
Air (-40…121 °C)
Water (-40…121 °C)
Hydraulic oil (-40…121 °C)
Gas (-40…121 °C)
Materials in contact with fluid
Zinc plated steel
Nitrile (Buna-N)
3M Scotch-Grip 847 rubber and gasket adhesive
Cover material
Polypropylene, noryl thermoplastic resin or equivalent
Operating position
Any position
Enclosure material
Stamped metal
Maximum operating rate
100 cyc/mn
Motor power kW
1.5 kW (2 hp) at 115 V AC, 1 phase
2.2 kW (3 hp) at 115 V AC, 3 phases
2.2 kW (3 hp) at 230 V AC, 1 phase
3.75 kW (5 hp) at 230 V AC, 3 phases
3.7 kW (5 hp) at 460 V AC, 1 phase
3.7 kW (5 hp) at 460 V AC, 3 phases
3.7 kW (5 hp) at 575 V AC, 1 phase
3.7 kW (5 hp) at 575 V AC, 3 phases
0.75 kW (1 hp) at 115 V DC, 3 phases
0.75 kW (1 hp) at 230 V DC
Contacts type and composition
2 NC, DPST-DB, Form YY, snap action, silver cadmium contacts
Short-circuit protection
20 A cartridge fuse, type gG
Mechanical durability
300 cycles