White Rodgers 2A20-2 Hazardous Location Heating Thermostats Catalog
HAZARDOUS LOCATION HEATING THERMOSTAT
For use in Hazardous Atmospheres (Oil Refineries, Grain Elevators,
Munitions Plants, Flour Plants, Hospital Operating Rooms)
FEATURES
• Evenly calibrated dial and adjustment knob to simplify setting.
• High electrical rating allows operation of most equipment without use of relays
or motor starter.
• Hydraulic action element — unaffected by motion — no leveling required.
• 1/2” female pipe connection for wiring.
SPECIFICATIONS
Dimensions. . . . . . . . . . . . . . . . . . . . . . . . 6
1
/
8
”
H x 5
3
/
8
”
W x 4”D +
5
/
8
”
Knob
(Add 2
7
/
8
”
for height of coil)
Agency . . . . . . . . . . . . . . . . . . . . . . . . . . . U.L. listed Div. 1 (Class I Group D; Class II
Groups E, F, & G) and C.S.A. certified
2A20-2
Full
Motor Rating
Resistive
Model
Switch
Electrical
Bulb
Capillary
(Full Load)
(Non-Inductive)
Number
Range
Differential
Action
Rating
Size
Length
120 VAC
240 VAC
120 VAC
240 VAC
2A20-2 ➀
40 to 90°F
Fixed 3°F
Open on Rise
FG
–
–
14.0A
7.0A
25.0A
20.0A
(4 to 32°C)
(1.6°C)
See page 416
➀
2A20-2 has external knob to adjust setting without removing cover.
HEAVY DUTY SPACE THERMOSTATS
FOR HEATING AND COOLING
Designed for use in Garages, Factories, Warehouses and Similar
Commercial and Industrial Installations
FEATURES
• Dust, moisture and vermin resistant heavy metal case.
• No leveling required – Mounts in any position.
• Quick response to temperature changes.
• Nickel plated element.
• Extra rugged switch mechanism.
SPECIFICATIONS
Dimensions. . . . . . . . . . . . . . . . . . . . . . . . 5
3
/
8
”
H + 2
1
/
2
”
coil x 2
5
/
16
”
W x 2
9
/
16
”
D
Finish . . . . . . . . . . . . . . . . . . . . . . . . . . . . Grey color
Agency . . . . . . . . . . . . . . . . . . . . . . . . . . . U.L. listed and C.S.A. approved
201-8
Full
Motor Rating
Valves and
Model
Switch
Electrical
(Full Load)
Relays
Resistive
Number
Range
Differential
Action
Rating
120 VAC 240 VAC 120 VAC 240 VAC 120 VAC 240 VAC
201-8
20 to 90°F
Adj. 3 to 20°F
Close on Rise
FGH
16.0A
8.0A
5.6A
2.8A
25.0A
22.0A
(-7 to +32°C)
(2 to 11°C)
See page 416
LINE VOLTAGE
THERMOSTATS
THERMOST
ATS
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