Belimo EFB Series User Manual

800-543-9038 USA 866-805-7089 CANADA 203-791-8396 LATIN AMERICA
1
91
G
MB24-
3
-T N4
NEMA 4 ,
O
n
/Off
, Floating Point
C
ontrol, Non-
S
pring Return, Direct
C
oupled, 24 VA
C
Technical Data GMB24-3-T N4
P
ower supp
ly
24 VA
C
±20%, 50/60 H
z
24 VD
C
±10%
,
50/60 H
z
P
ower consumpt
i
on
4
.
0
W
(2
.
0
W)
T
ransformer sizin
g
6 VA (
C
lass 2 power source
)
El
ectr
i
ca
l
connect
i
o
n
s
crew terminal
(
for 26 to 14
G
A wire
)
½” conduit connecto
r
O
verload
p
rotectio
n
e
l
ectron
i
c t
h
roug
h
out
0
to
9
5
°
rotat
i
o
n
C
ontrol on/off, fl oating poin
t
In
p
ut im
p
edance 600
Ω
Angle of rotation max.
9
5
°
, a
dj
usta
bl
e w
i
t
h
mec
h
an
i
ca
l
sto
p
T
or
q
u
e
360
i
n-
lb
[40
N
m
]
D
ir
ec
ti
o
n
o
f r
o
t
a
ti
o
n
rever
sibl
e w
i
t
h
s
w
i
tc
h
P
o
si
t
i
on
i
n
di
cat
i
o
n
di
a
l
Runnin
g
tim
e
1
50
seco
n
ds
constant independent o
f
loa
d
H
um
idi
t
y
5 to
100%
RH
(UL
T
ype
4)
Ambient tem
p
erature -22°F to 122°F [-30°C to 50°C
]
S
torage temperature -40°F to 176°F [-40°
C
to 80°
C]
Housin
g
UL T
y
pe 4, NEMA 4, IP66
H
ous
i
ng mater
i
a
l
po
ly
car
b
onat
e
A
gency
li
st
i
ngs
†
c
UL
us acc. to
UL
60
7
30
-
1A/
-
2
-
14,
C
AN/
CS
A E60730-1,
CS
A
C
22.2 No. 24-93
,
C
E acc. to 89/336/EE
C
N
oi
s
e level <45d
B(
A
)
Servicin
g
maintenance fre
e
Q
uality standard I
SO
900
1
W
e
i
g
ht
4
.
8
lb
s
[4
.
4
5
k
g
]
†
Rated Impulse Voltage 4kV, Type of action 1,
C
ontrol Pollution Degree 3.
Torque min.
360
in-lb for control of damper surfaces up to
90
sq ft
.
Applicatio
n
For on/off and fl oating point control of dampers in HVAC systems. Actuator
s
izing should be done in accordance with the damper manu
f
acturer’s
sp
eci
fi
cations.
The actuator is mounted directl
y
to a damper sha
f
t up to 1.05" in diameter b
y
means o
f
its universal clamp
.
Op
eratio
n
Th
e actuator
i
s not prov
id
e
d
w
i
t
h
an
d
d
oes not requ
i
re any
li
m
i
t sw
i
tc
h
es,
b
ut
is electronicall
y
protected against overload. The anti-rotation strap supplied
with the actuator will prevent lateral movement
.
The
G
MB24-3-T N4 provides 95° of rotation and a visual indicator indicates
position o
f
the actuator. When reaching the damper or actuator end position,
t
h
e actuator automat
i
ca
ll
y stops.
Th
e gears can
b
e manua
ll
y
di
sengage
d
w
i
t
h
a
button on the actuator a
f
ter the cover is removed.
The GMB24-3-T N4 actuator uses a sensorless brushless DC motor
,
which
is controlled by an Application Specifi c Integrated Circuit
(
ASIC
)
. The ASIC
mon
i
tors an
d
contro
l
s t
h
e actuator
’
s rotat
i
on an
d
prov
id
es a
di
g
i
ta
l
rotat
i
on
s
ensing (DR
S
) function to prevent damage to the actuator in a stall condition.
P
ower consumpt
i
on
i
s re
d
uce
d
i
n
h
o
ldi
n
g
mo
d
e
.
Add-on auxiliar
y
switches or
f
eedback potentiometers are easil
y
f
astened
directl
y
onto the actuator bod
y
for signaling and switching functions.
Dimensions (mm [inches])
172 [6.77]
D3
1
2
M40024 - 05/10 - Subject to change. © Belimo Aircontrols (USA), Inc.

Belimo EFB Series Specifications

General

Brand	Belimo
Model	EFB Series
Category	Controller
Language	English