Selection Guide

800-543-9038 USA 866-805-7089 CANADA 203-791-8396 LATIN AMERICA
78
NF24 US, NF24-S US, NF24-S2 US NFB24, NFB24-S, NFX24, NFX24-S
Power Supply
24 VAC ± 20% 50/60 Hz; 24 VDC ± 10% 24 VAC, +/- 20%, 50/60 Hz; 24 VDC, +20/-10%
Running
5 W 6 W
Power
Consumption
Holding
2.6 W 2.5 W
Transformer Sizing
8 VA (Class 2 power source) 8.5 VA (Class 2 power source)
Auxiliary Switches
(-S Models): 1 x
SPDT 7A (2.5A) @
250 VAC, UL
Approved adjustable
5° to 85°;
(-S2 Models):2 x
SPDT 7A (2.5A) @
250 VAC, UL
Approved
one set at +5°, one
adjustable 25° 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 and -
S2 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 steel Zinc coated metal and plastic casing
Agency Listings
cULus acc. to UL 873 and CAN/CSA C22.2 No.
24-93
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
6.6 lbs (3.0 kg)
4.15 lbs (1.9 kg), (-S Models): 4.4 lbs (2.0 kg)
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New Generati
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M40024 - 05/10 - Sub
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e. © Belimo Aircontrols
(
USA
)
, Inc.