POWERS Controls 134-1861 Humidistat
Technical Instructions
Document Number A6V11435226
May 9, 2019
Siemens Industry, Inc.
Page 3
Specifications
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
Switch action
SPDT
Switch
Snap-acting in a dust-protected
enclosure
Range
0 to 70% RH
Ambient temperature
40 to 100°F (4.4 to 38°C)
Differential
Fixed at approximately 6% RH
Sensing element
Selected human hair
Material
Case
0.050 inch (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 × 4 in.
(51 × 102 mm) wall box
Wiring terminals
Large 8-32 × 1/4 in. binder head screws
Weight
0.9 lb. (0.4 kg)
Dimensions
4.71 × 2.96 × 2.94 in.
(120 × 75 × 75 mm)
Agency listings
UL Guide No. XAPX; File E6688
CSA Class No. 4813.02 File LR948
Mounting and
Installation
General Guidelines
Locate the 134-1861 as follows:
•
on an inside wall away from ranges, sinks, bathrooms, or other areas of extreme
moisture and temperature.
•
where natural air circulation is unrestricted.
•
where lamps, sunlight, fireplaces, heat registers, radiators, concealed air ducts or
pipes, or room occupants will not affect its operation.
Required Tools
•
2 × 4 in. (51 × 102 mm) wall box (field-supplied)
•
3-wire cable (field supplied)
•
Screwdriver (slotted standard)
•
Marking pencil
•
Wire strippers
