Technical data sheet
S2A-F
Auxiliary switch unit, suitable for the
spring return actuators NF..A.., SF..A..,
LF..
• two switches (SPDT)
• Adjustable switching points
• including adapter
Technical data
Electrical data Auxiliary switch
2 x SPDT, 0...100%, adjustable
Switching capacity auxiliary switch
1 mA...3 (0.5 inductive) A, AC 250 V (II
reinforced insulation), 1 mA…0.5 (0.2 inductive;
L/R = 3.4 ms) A, DC 110 V (II reinforced
insulation)
Switching points auxiliary switch
Adjustable across the entire range of rotation
0...1 of the actuator. Presetting with scale
possible.
Connection auxiliary switch
Cable 1 m, 6 x 0.75 mm²
Safety Protection class IEC/EN
II reinforced insulation
Degree of protection IEC/EN
IP54
EMC
CE according to 2014/30/EU
Low voltage directive
CE according to 2014/35/EU
Certification IEC/EN
IEC/EN 60730-1 and IEC/EN 60730-2-14
Mode of operation
Type 1.B
Control pollution degree
3
Ambient temperature
-30...50°C
Storage temperature
-40...80°C
Ambient humidity
Max. 95% r.H., non-condensing
Maintenance
Maintenance-free
Weight Weight
0.25 kg
Safety notes
!
• The device must not be used outside the specified field of application, especially not
in aircraft or in any other airborne means of transport.
• Only authorised specialists may carry out installation. All applicable legal or
institutional installation regulations must be complied during installation.
• The device may only be opened at the manufacturer’s site. It does not contain any
parts that can be replaced or repaired by the user.
• Cables must not be removed from the device.
• The device contains electrical and electronic components and must not be disposed
of as household refuse. All locally valid regulations and requirements must be
observed.
www.belimo.com
S2A-F • en-gb • 2019-04-12 • subject to changes
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