Brochure
800-543-9038 USA 866-805-7089 CANADA 203-791-8396 LATIN AMERICA
4
2
O
50905 - 05/12 - Subject to change. © Belimo Aircontrols (USA), Inc
.
NRB24-3-T N4 NEMA 4X Actuators,
O
n
/Off
, Floatin
g
Point
M
o
d
e
ls
NR
B
24-3-T N4
NR
B
24-3-T N4H w/built in heater
Technical Data
C
ontrol
on/off, fl oatin
g
point
P
ower supp
l
y
24 VA
C
± 20% 50/60 Hz
24 VD
C
± 10%
P
ower consumpt
i
on runn
i
ng
2.0 W / heater 24 W
h
oldin
g
0.2 W
Trans
f
ormer sizin
g
4
VA
(
c
l
ass
2
power source
)
/
h
eater
19
VA
El
ectr
i
ca
l
connect
i
o
n
s
crew terminal
(
for 26 to 14 GA wire
)
Overload
p
rotectio
n
electronic throu
g
hout 0° to 95° rotation
I
nput
i
mpe
d
ance
600
Ω
Angle of rotation
90°, ad
j
ustable with mechanical sto
p
Dir
ec
ti
o
n
o
f r
o
t
a
ti
o
n
rever
s
ible with
P
os
i
t
i
on
i
n
di
cat
i
o
n
v
i
sua
l
po
i
nte
r
M
anua
l
overr
ide
external push button
Runnin
g
time
90 seconds constant inde
p
endent of load
H
um
idi
ty
100%
RH
A
m
bi
ent temperature
-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
ng t
y
pe
UL
T
ype
4X/NEMA
4X/IP66
&
IP6
7
H
ous
i
n
g
mater
i
a
l
Pol
y
prop
y
len
e
A
gency
li
st
i
ngs
†
c
UL
us accor
di
ng to
UL
60
7
30
-
1A/
-
2
-
14
,
C
AN/
CS
A E60730-1,
CS
A
C
22.2 No. 24-93,
C
E accordin
g
to 89/336/EE
C
.
Q
uality standar
d
I
SO
9001
*
C
annot be used with the
CC
V-EXT-KI
T
† Rated impulse volta
g
e 800V,
C
ontrol pollution de
g
ree 3
,
Type o
f
action 1
.
Dimensions with 2-Way Valve
NEMA 4 Dia
g
ra
m
V
alve Nominal
S
ize Dimensions (Inches [mm])
V
a
l
ve
B
o
dy
I
nc
h
es
DN
[
mm
]
A
B
B
207-
B
211
½
”
15
2
.
41”
[61
.
1]
1
.
39”
[3
5.
2]
B
212-
B
215
½
”
15
2
.
38”
[60
.
4]
1
.7
8”
[4
5.
2]
B
217-
B
221 ¾” 2
0
2
.73” [69.3]
1
.87” [47.4]
B
222-
B
225
1”
25
3
.
09”
[
7
8
.
4]
1
.
8
7
”
[4
7.
4]
B
229-
B
230 1¼”
32
3
.7
2”
[94
.
6]
1
.
8
7
”
[4
7.
4]
Dimensions with 3-Way Valve
N
EMA 4 Diagram 3-Way
V
alve Nominal
S
ize Dimensions
(
Inches [mm]
)
Valve Bod
y
I
nches 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
.
8
7
”
[4
7.
4]
1
.
4
7
”
[3
7.
3]
B
322-
B
325
1”
25
3
.
09”
[
7
8
.
4]
1
.
8
7
”
[4
7.
4]
1
.5
9”
[40
.
3]










