Product Overview
800-543-9038 USA 866-805-7089 CANADA 203-791-8396 LATIN AMERICA
3
7
4
Auxiliar
y
S
witches
S
1A
,
S
2
A
For the Non-Sprin
g
Return Direct-Coupled Actuator
s
A
pp
l
i
cat
i
o
n
T
he S1A and S2A auxiliar
y
switches are used to indicate when a desired
p
osition of a
d
amper is reached or to inter
f
ace additional controls
f
or a speci
f
ic control sequence.
O
peratio
n
T
he S1A and S2A auxiliary switches are mounted onto the direct coupled actuator. The
s
witches are modular units that mount directly onto LM, NM, AM, and GM type
actuators and are locked into place by guiding grooves on the sides o
f
the actuator
.
A
driver disk is attached to the actuator clam
p
and offers direct transmission of the
actuator position to the micro switch cams. The switchin
g
points can be set over the
full scale of 0 to 1 simply by adjusting the slotted discs
.
Mounting Instructions
1
.
Remove position indicator from actuator.
2
.
P
ress down the manual override button and rotate the actuator
f
ully counter
cl
oc
k
w
i
se.
3.
Turn the driver disk on the switch full
y
counterclockwise.
4.
S
lide switch onto the actuator usin
g
the actuator
g
uidin
g
g
rooves on the sides
of the actuator
.
5
.
C
heck for correct mating of the driver disk to the universal clamp
.
6
.
A
djust switch dials as necessary.
Wiring Diagrams
Aux
S
witches_
S
1A_
S
2
A
Types
S1A
one
S
PD
T
3 ft, 18
G
A appliance cabl
e
S2A
two SPD
T
3 ft, 18 GA appliance cabl
e
Technical Data S1A S2A
N
umber of switche
s
one SPD
T
t
wo SPDT
Weigh
t
4.6 oz [130 g
]
6
.0 oz [170 g
]
S
witching capacity 3A (0.5A), 250 VA
C
S
witchin
g
point ad
j
ustable over full rotation
(
0° to 95°
)
P
re-sett
i
n
g
w
i
t
h
sca
l
e poss
ible
H
umidit
y
5
to 95% RH non-condensin
g
A
mbient temperature -22°F to 122°F
[
-30°C to +50°C
]
S
tora
g
e temperature -40°F to 176°F
[
-40°C to 80°C
]
H
ous
i
n
g
NEMA 2
/
IP54
H
ousin
g
ratin
g
UL94-5VA
S
ervicin
g
m
a
int
e
n
a
n
ce
f
r
ee
Ag
ency listin
gs
cULus acc. to UL60730-
1
C
E according to 73
/
23
/
EE
C
Quality standard ISO 9001
M40024 - 05/10 - Sub
j
ect to chan
g
e. © Belimo Aircontrols
(
USA
)
, Inc.