Chapter 15 Technical Drawings
Mini-Switch LB 471
Shielding LB 744X with Pneumatic Shutter
A pneumatic shutter device is available as an option to remote-control the shutter mechanism.
The pneumatic shutter is also available with limit switch for position feedback, in different ver-
sions (see table below: Limit switch unit).
LB 7440 D CR
LB 7440 FE CR
LB 7440 DE CR
LB 7442 D CR
LB 7442 FE CR
LB 7442 DE CR
Pneumatic locking drive with limit switch IP 65
Pneumatic locking drive with limit switch, Ex de IIC T6
Data for pneumatic locking drive
max. 4 x 105 Pa (7 bar)
connection: G 1/8
Clean, as usual for compressed air-tools,
oil-free
Limit switch unit
Options for signaling OPEN / CLOSED
IP 65 2 contact (OPEN/CLOSED) 48 V DC, 1A
2 contact (OPEN/CLOSED) max. 250 V AC, 1A,
Protection type of micro limit switch: EEx d IIC T6
Case protection type: EEx e II T6
2 proximity switches for intrinsically safe feeding