Submittal Sheet

800-543-9038 USA 866-805-7089 CANADA 203-791-8396 LATIN AMERICA
3
1
1
C
MB24-3(-T
)
On/Off, Floatin
g
Point, Non-Sprin
g
Return, 24
V
Tiilbf lfd f f
T
or
q
ue m
i
n. 18
i
n-
lb
f
or contro
l
o
f
d
am
p
er sur
f
aces u
p
to 4.5 s
q
f
t
.
A
pp
licatio
n
Damper actuator
f
or operating air control dampers in ventilation an
d
a
ir-conditioning systems for building services installations.
•
For air control dampers up to approximately 4.5 sq
ft
•
Tor
q
ue 2 N
m
•
Nominal volta
g
e AC/DC 24
V
•
Control: Open-close or 3-poin
t
•
Running time 35 sec. @ 90
°
O
p
eratio
n
Simple direct mounting on the damper spindle with a universal spindle clamp or
form fit, supplied with an anti-rotation bracket to prevent the actuator from rotatin
g.
Manual operation is possible with a magnet (the gearing latch remains disengaged
a
s long as the magnet is in place)
.
A
A
d
j
ustable an
g
le of rotation with mechanical end stops, that requires no tools to
m
ove or remove
.
The actuator is overload-proof, requires no limit switches and automatically stops
wh
en t
h
e en
d
stops
i
s reac
h
e
d
.
The
C
M24-3 actuator uses a brushless D
C
motor, which is controlled by an
A
A
pplication
S
pecific Inte
g
rated
C
ircuit
(
A
S
I
C)
. The A
S
I
C
monitors and controls the
a
ctuator’s rotation sensin
g
(
DR
S)
function to prevent dama
g
e to the actuator in a
sta
ll
con
di
t
i
on.
P
ower consumpt
i
on
i
s re
d
uce
d
i
n
h
o
ldi
n
g
mo
d
e
.
B
elimo’s Halomo sensorless brushless D
C
motor spins by reversing the poles of
stationary electromagnets housed inside rotational permanent magnets. The
electroma
g
netic poles are switched by the an ASIC developed by Belimo. Unlike the
conventional DC motor, there are no brushes to wear or commutators to foul. This
m
eans the brushless DC motor adds accuracy and reduces power consumption in a
h
o
ldi
ng mo
d
e
.
Dimensions (Inches [mm])
C
MDim
s
Technical Data CMB24-3
P
ower su
pply
24 VA
C
± 2
0%
50/60
H
z
24 VD
C
± 2
0%
Power consum
p
tio
n
1.0 W (0.2 W resting)
Trans
f
ormer sizin
g
1.5 VA
(
Class 2 power source
)
El
ec
tri
ca
l
co
nn
ec
ti
on
3 ft, 18 GA a
pp
liance rated cable
protecte
d
NEMA
2
(IP
54
)
Overload protectio
n
electronic throu
g
hout rotatio
n
Control on/off, fl oatin
g
poin
t
Angle of rotatio
n
without end sto
p
; limitless
with end sto
p
; 315° fi x
287.5° max. with two end stop
s
Torque 18 in-lb
[
2 Nm
]
Direction o
f
rotatio
n
by electrical installation
P
os
i
t
i
on
i
n
di
cat
i
o
n
re
f
lective visual indicator (snap-on), with magne
t
Ma
n
ua
l
o
v
e
rri
de
disen
g
a
g
e with ma
g
net
Runnin
g
tim
e
35 seconds, constant inde
p
endent of loa
d
Humidit
y
5 to 95% RH non condensin
g
(
EN 60730-1
)
Ambient temperatur
e
-22°F to 122°F [-30°C to 50°C]
Stora
g
e temperature -40°F to 176°F
[
-40°C to 80°C
]
H
ous
i
n
g
NEMA
2,
IP
54,
UL
enc
l
osure type 2
Housin
g
materia
l
U
L
9
4-
5
VA
A
g
ency listin
g
s† cULus acc. to UL 60730-1A/-2-14
,
C
AN
/CS
A E60730-1:02,
CE acc. to 2004/108/EEC and 2006/95/EC
N
o
i
se
l
e
v
el
<45dB(A)
S
ervicin
g
maintenance
f
ree
Qualit
y
standar
d
I
SO
900
1
W
e
i
g
h
t 0.4
lb
s
[
0.18
k
g
]
C
MB24-3-T
El
ec
tri
ca
l
co
nn
ec
ti
on
screw terminal
(
for 18 to 16 GA wire
)
F
o
rm
f
i
t
0.31
"
x 0.31
"
[
8mm x 8mm
]
H
ous
i
ng NEMA 1
/
IP2
0
Weight 0.3 lbs [0.13 kg
]
†
Rated Impulse Voltage 800V, Type of action 1,
C
ontrol Pollution Degree 3 for 24-3-T Degree 2
.
M40024 - 05/10 - Subject to change. © Belimo Aircontrols (USA), Inc.