Belimo EFB Series User Manual

800-543-9038 USA 866-805-7089 CANADA 203-791-8396 LATIN AMERICA
1
97
G
MB24-
S
R-T N4
NEMA 4, Proportional
C
ontrol, Non-
S
pring Return, Direct
C
oupled, 24V,
f
or 2 to 10 VD
C
and 4 to 20 mA
Technical Data GMB24-SR-T N4
P
ower supp
ly
24 VAC ± 20% 50
/
60 H
z
24 VD
C
± 10%
P
ower consumpt
i
on
4
.5
W
(2
.
0
W)
T
ransformer Sizin
g
6.5 VA (Class 2 power source)
El
ec
tri
ca
l
co
nn
ec
ti
on
s
crew terminal
(
for 26 to 14 GA wire
)
½”
con
d
u
i
t connector
O
verload protectio
n
e
l
ectron
i
c t
h
roug
h
out
0
to
9
5
°
rotat
i
o
n
O
peratin
g
ran
g
e Y 2 to 10 VD
C
, 4 to 20 m
A
I
nput
i
mpe
d
ance
100
k
Ω
(0
.
1
m
A)
, 5
00
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 in-lb
[
40 Nm
]
D
irection of rotation
rever
sibl
e w
i
t
h
s
w
i
tc
h
Position indicatio
n
dial
Runnin
g
tim
e
150
s
econd
s
constant inde
p
endent of 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]
H
ousin
g
UL T
y
pe 4X, NEMA 4X, IP6
6
H
ous
i
ng mater
i
a
l
po
l
ycar
b
onat
e
A
genc
y
li
st
i
ngs
†
c
UL
us acc. to
UL
60
7
30
-
1A/
-
2
-
14,
CAN/CSA E60730-1, CSA C22.2 No. 24-93
,
C
E acc. to 89/336/EE
C
N
o
is
e
l
eve
l
<45d
B
(A
)
S
ervicin
g
maintenance
f
re
e
Q
uality standard I
SO
900
1
W
e
ight
9
.
8
lb
s
[4
.
4
5
k
g
]
†
Rated Impulse Voltage 800V, Type of action 1,
C
ontrol Pollution Degree 3
.
Torque min. 360 in-lb for control of dam
p
er surfaces u
p
to 90 sq ft.
Applicatio
n
F
or proportional modulation of dampers in HVAC systems. Actuator sizing
s
hould be done in accordance with the damper manu
f
acturer’s speci
fi
cations.
The actuator is mounted directly to a damper sha
f
t up to 1.05" in diameter by
m
eans o
f
its universal clamp
.
The actuator operates in response to a 2 to 10 VDC, or with the addition of
a
5
00
Ω
resistor, a 4 to 20 mA control input
f
rom an electronic controller or
p
ositioner. A 2 to 10 VDC feedback signal is provided for position indication or
m
aster-s
l
ave app
li
cat
i
ons.
Op
eratio
n
The actuator is not provided with and does not require any limit switches, but
i
s e
l
ectron
i
ca
lly
protecte
d
aga
i
nst over
l
oa
d
.
Th
e ant
i
-rotat
i
on strap supp
li
e
d
w
ith the actuator will
p
revent lateral movement
.
The
G
MB24-
S
R-T N4
p
rovides 95° of rotation and a visual indicator indicates
p
osition o
f
the actuator. When reachin
g
the damper or actuator end position,
th
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
b
utton on the actuator a
f
ter the cover is removed.
The
G
MB24-
S
R-T N4 actuator uses a sensorless brushless D
C
motor, which
i
s controlled by an Application
S
pecifi c Integrated
C
ircuit
(
A
S
I
C)
. The A
S
I
C
m
onitors and controls the actuator’s rotation and provides a digital rotation
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
ng mo
d
e.
A
dd-on auxiliary switches or
f
eedback potentiometers are easily
f
astened
directly onto the actuator body
f
or signaling and switching
f
unctions.
Dimensions (inches [mm])
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