Starter solenoid switch BMF 305K
Electronic switch
Bounce-free switching, no multiple switch points
M8 and M12 plug connectors
Automotive approved
Protection class IP67
Operating voltage 10 → 30 Vdc
3-cable, PNP, NO
Solenoid switch for pneumatic cylinders. "One for all": These sensors let you identify the piston position of pneumatic cylinders through the cylinder wall. Wear and contact-free. Holding brackets / slot nuts available for all commonly available cylinders. Reduced storage - only 1 sensor for different cylinders.
Balluff part no.
Cable
Plug connector
BMF 305K-PS-C-2-S49-00, 2
0.2 m PUR
M8
BMF 305K-PS-C-2-S4-00, 5
0.5 m PUR
M12
Balluff order ref.
Piston Ø of cylinder
Hose clamp size
BMF hose clamp size 1
8 → 16
1
BMF hose clamp size 2
20, 25
2
BMF hose clamp size 3
32
3
Usability
Holding bracket / slot nut for adapting the BMF 305 to different cylinders (see accompanying drawings)
BMF 305-HW-20
For T-slot cylinders as per drawing. Even when you replace the sensor, the switch is captively fixed with the holding bracket
BMF 305-HW-17
For T-slot cylinders, e.g. Festo, SMC, installed from above. Even when you replace the sensor, the switch is captively fixed with the holding bracket.
BMF 305-HW-23
For T-slot cylinders as per drawing. Installed from above. Even when you replace the sensor, the switch is captively fixed with the holding bracket.
BMF 305-HW-26
For SMC T-slot A or T-slot B cylinders. Holding bracket for slot A installed from above. Even when you replace the sensor, the switch is captively fixed with the holding bracket.
BMF 305-HW-24
Terminal part for round cylinders with piston diameter of 8 → 80 mm, not including slot. A hose clamp the size of the cylinder is also required for mounting (see table). Even when you replace the sensor, the switch is captively fixed.