Selection Guide

800-543-9038 USA 866-805-7089 CANADA 203-791-8396 LATIN AMERICA
8
2
Pr
oduc
t
C
r
oss
R
efe
r
e
n
ce
C
urrent t
o
New Generati
on
NF24-SR US, NF24-SR-S US
NFB24-SR, NFB24-SR-S,
NFX24-SR, NFX24-SR-S
Power Supply
24 VAC ± 20% 50/60 Hz; 24 VDC ± 10% 24 VAC, +/- 20%, 50/60 Hz; 24 VDC, +20/-10%
Running
3 W 3.5 W
Power
Consumption
Holding
1 W 2.5 W
Transformer Sizing
6 VA (Class 2 power source) 6 VA (Class 2 power source)
Auxiliary Switches
(-S Models): 1 x SPDT 7A
(2.5A) @ 250 VAC, UL listed
adjustable 5° to 85°
(-S Models): Two SPDT 3A (0.5A
inductive) @ 250V UL approved,
one set at +10°,
one adjustable 10° to 90°
ELECTRICAL WIRING
Electrical Connection
3 ft, 18 GA appliance
cable 1/2” conduit
connector; (-S Models):
Two 3 ft, 18 GA,
appliance cables, ½"
conduit connectors
3 ft, 18 GA, appliance cable, ½"
conduit connector; (-S Models):
Two 3 ft, 18 GA, appliance
cables, ½" conduit connectors;
Optional 10 or 16 ft cables and
plenum rated cables (non -S
models only) with X types
Housing Rating
NEMA 2, IP54 NEMA 2, IP54, Enclosure Type2
Housing Material
Zinc coated metal Zinc coated metal and plastic casing
Agency Listings
UL 873 listed, CSA C22.2 No.24 certified
cULus acc. to UL60730-1A/-2-14, CAN/CSA E60730-
1:02, CE acc. to 2004/108/EC & 2006/95/EC
Storage Temperature
-40°F to +176°F [-40°C to +80°C] -40°F to 176°F [-40°C to 80°C]
CONSTRUCTION
Weight
6.0 lbs (2.7 kg)
4.15 lbs (1.9 kg), (-S Models):4.4 lbs (2.0 kg)
M40024 - 05/10 - Sub
j
ect to chan
g
e. © Belimo Aircontrols
(
USA
)
, Inc.