Specifications
AS-Interface
ASIsafe
3SF1 position switches
Plastic enclosures
6/16
Siemens IK PI · 2009
6
■
Selection and ordering data
Modular system
For the ASIsafe version of the position switch, the basic switch
and actuator must be ordered separately.
1 or 2 contacts · 3 LEDs · Degree of protection IP65 (31 mm) or IP66/IP67 (50 mm) · M12 connector socket
qPositive opening according to IEC 60947-5-1, Appendix K, or
positively driven actuator, usable in safety circuits.
1)
On the plastic version the basic switch is a complete unit
with rounded plunger.
Version Contacts LEDs Order No.
Basic switches (with rounded plunger
1)
) · Enclosure width 31 mm according to EN 50047
ASIsafe basic switch
With teflon plunger,
with M12 plug, 4-pole;
channel 1 on NC contact,
channel 2 on NC contact
• Slow-action contacts 2 NC 24 V DC
q
3SF1 234-1KC05-1BA1
• Snap-action contacts 2 NC 24 V DC
q
3SF1 234-1LC05-1BA1
Basic switches (with rounded plunger
1)
) · Enclosure width 50 mm
ASIsafe basic switch
With teflon plunger,
with M12 plug, 4-pole,
channel 1 on NC contact,
channel 2 on M12 socket, right
• Slow-action contacts 1 NC 24 V DC
q
3SF1 244-1KC05-1BA2
• Snap-action contacts 1 NC 24 V DC
q
3SF1 244-1LC05-1BA2