SIEMENS
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Siemens IK PI · 2015
AS-Interface
ASIsafe
3SF1 mechanical safety switches
Plastic enclosures
4
■
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
For online configurator see
www.siemens.com/sirius/configurators
.
q
Positive opening according to IEC 60947-5-1, Appendix K, or
positively driven actuator for use in safety circuits.
1)
For enclosures with widths of 31 mm and 50 mm, the basic switch is a
complete unit with rounded plungers.
Version
Contacts
LEDs
Article No.
Basic switches (with rounded plunger
1)
) · Enclosure width 31 mm acc. to EN 50047
ASIsafe basic switch
With Teflon plunger,
with M12 connector socket, 4-pole
channel 1 on NC contact,
channel 2 on NC contact
• Slow-action contacts
2 NC
24 V DC
q
3SF1234-1KC05-1BA1
• Snap-action contacts
2 NC
24 V DC
q
3SF1234-1LC05-1BA1
Basic switches (with rounded plunger
1)
) · Enclosure width 50 mm
ASIsafe basic switch
With Teflon plunger,
with M12 connector socket, 4-pole
channel 1 on NC contact,
channel 2 on M12 socket, right
• Slow-action contacts
1 NC
24 V DC
q
3SF1244-1KC05-1BA2
• Snap-action contacts
1 NC
24 V DC
q
3SF1244-1LC05-1BA2
© Siemens AG 2014