8
W43A Humidistat Product/Technical Bulletin
S
pecifications
Product
W43A-14C Humidistat
Contact Ratings
120 VAC
208 VAC
240 VAC
Full Load Ampere
6.0
3.5
3.0
Locked Rotor Ampere
36.0
21.0
18.0
Pilot Duty 125 VA at 24/277 VAC
Measurement Range
0 to 70% RH
Differential
Fixed at approximately 6% RH
Contact Action
SPDT
Switch
Snap-acting Contacts in a Dust-protected Enclosure
Sensing Element
Selected Human Hair
Material
Base: 0.050 in (1.27 mm) Cold Rolled Steel
Cover: Beige Thermoplastic
Finish
Base: Zinc Plate Dichromate Dipped
Cover: Brown Markings on Gold Anodized Aluminum
Mounting
Vertical or Horizontal 2 x 4 in. (51 x 102 mm) Wall Box
Wiring Terminals
Large 8-32 x 1/4 in. Binder Head Screws
Minimum Ambient
Temperature
40
°
(4.4
°
C)
Maximum Ambient
Temperature
100
°
F (38
°
C)
Agency Listings
UL Guide No. XAPX; File E6688
CSA Class No. 4813 02: File LR948
Dimensions (H x W x D)
4.71 x 2.96 x 2.94 in. (120 x 75 x 75 mm)
Shipping Weight
0.9 lb (0.4 kg)
The performance specifications are nominal and conform to acceptable industry standards. For application at conditions beyond these specifications,
consult the local Johnson Controls office. Johnson Controls shall not be liable for damages resulting from misapplication or misuse of its products.
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