Specifications

AS-Interface
ASIsafe
3SF1 position switches
Plastic enclosures
6/15
Siemens IK PI · 2012
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 plug
q Positive opening according to IEC 60947-5-1, Appendix K, or
positive drive for use in safety circuits.
1)
For enclosures with widths of 31mm and 50mm, the basic switch is a com-
plete unit with rounded plungers.
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
Kap_06_en.book Seite 15 Freitag, 2. September 2011 1:42 13
© Siemens AG 2011