Brochure
800-543-9038 USA 866-805-7089 CANADA 203-791-8396 LATIN AMERICA
4
6
O
50905 - 05/12 - Subject to change. © Belimo Aircontrols (USA), Inc
.
M
o
d
e
ls
NRX24
-
MFT
-
T
N4
NRX24-MFT-T N4H w/built in heater
Technical Data
C
ontrol 2 to 10 VDC, 4 to 20 mA
(
default
)
variable
(
VDC, PWM, fl oating point, on/off
)
P
ower supp
ly
24 VA
C
± 20% 50/60 Hz
24 VD
C
± 10%
P
ower consumpt
i
on runn
i
ng
3
.5
W
(1
.
2
5
W)
/
h
eater
24
W
holdin
g
1.2
5
W
Transformer sizin
g
6
VA
(
c
l
ass
2
power source
)
/
h
eater
21
VA
El
ectr
i
ca
l
connect
i
o
n
s
crew terminal (for 26 to 14
G
A wire
)
Overload
p
rotectio
n
electronic throu
g
hout 0° to 95° rotation
I
nput
i
mpe
d
ance
100
k
Ω
(0
.
1
m
A)
, 5
00
Ω
1
5
00
Ω
(
PWM,
fl
oating point, on/o
ff)
Angle o
f
rotation
9
5
°
, a
dj
usta
bl
e w
i
t
h
mec
h
an
i
ca
l
sto
p
e
l
ectron
i
ca
ll
y var
i
a
ble
Dir
ec
ti
o
n
of
r
o
t
a
ti
o
n reversible with
P
os
i
t
i
on
i
n
di
cat
i
o
n
v
i
sua
l
p
o
i
nte
r
M
anua
l
overr
ide
externa
l
pus
h
b
utton
R
unn
i
ng t
i
me 150 seconds (de
f
ault)
constant independent o
f
load
variable
(
75 to 350 seconds
)
H
um
idi
t
y
100%
RH
A
m
bi
ent 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]
Housing t
y
pe UL T
y
pe 4X/NEMA 4X/IP66 & IP67
H
ous
i
n
g
mater
i
a
l
P
o
ly
prope
l
en
e
A
gency
Li
st
i
ngs
†
cULus according to UL 60730-1A/-2-14,
C
AN/
CS
A E60730-1
,
CS
A
C
22.2 No. 24-93
,
C
E ac-
cording to 89/336/EE
C
.
Q
uality standar
d
I
SO
9001
†Rated Impulse Voltage 800V, T
y
pe of action 1,
C
ontrol Pollution Degree
3
*
C
annot be used with the
CC
V-EXT-KI
T
NRX
24-
MFT
-
T
N
4
NEMA
4
X
A
ctuators,
M
u
l
t
i
-
F
unct
i
on
T
ec
h
no
l
o
gy
Dimensions with 2-Way Valve
N
EMA 4 Dia
g
ram
V
alve Nominal
S
ize Dimensions
(
Inches [mm]
)
V
a
l
ve
B
o
dy
I
nc
h
es
DN
[
mm
]
A
B
B207-B211
½
”
15
2
.
41”
[61
.
1]
1
.
39”
[3
5.
2]
B
212-
B
21
5
½
”
1
5
2
.38” [60.4]
1
.78” [45.2]
B
217-
B
221
¾”
20
2
.7
3”
[69
.
3]
1
.
8
7
”
[4
7.
4]
B
222-
B
22
5
1
”
2
5
3.09” [78.4]
1
.87” [47.4]
B
229-
B
230
1¼”
32
3.72” [94.6]
1
.87” [47.4]
Dimensions with 3-Way Valve
NEMA 4 Diagram 3-Wa
y
Valve Nominal
S
ize Dimensions
(
Inches [mm]
)
V
alve Bod
y
I
n
c
h
es
DN
[
mm
]
A
B
C
B
307-
B
311
½”
15
2
.
41”
[61
.
1]
1
.
39”
[3
5.
2]
1
.
20”
[30
.
6]
B
312-
B
315
½”
15
2
.
38”
[60
.
4]
1
.7
8”
[4
5.
2]
1
.
29”
[32
.
8]
B
317-
B
321
¾”
20
2
.7
3”
[69
.
3]
1
.87”
[
47.4
]
1
.47”
[
37.3
]
B
322-
B
325
1”
25
3
.
09”
[
7
8
.
4]
1
.
8
7
”
[4
7.
4]
1
.5
9”
[40
.
3]