Chromalox PK407-3 Thermostat User Manual


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(Supersedes PK407-3)
PK407-4
AR
161-562793-001
MARCH, 2004
4
and
Installation, Operation
RENEWAL PARTS IDENTIFICATION
Type AR Industrial Thermostat
(Three Phase)
© 2010 Chromalox, Inc.
2-21/32"
Length
(Refer to
Specifications Table A)
Dia.
Bulb
2" O.D. Typ.
Capillary
2-21/32"
4-3/32"
Sensing Bulb
with 7’
Standard Capillary
Temperature Approx. Max.
Range Dia. Length A.C. Rating
Model* (°F) Style (In.) (In.) (Amps)
AR-2153 60-250 5
3
/8 4
1
/4
AR-2193 60-250 9
3
/16 10
3
/4
30 Amps
AR-5153 200-550 5
3
/8 3
1
/4
@ 277 Volts
AR-5193 200-550 9
3
/16 9
Specifications — Table A
*Models equipped with Pilot LIght are designated by the suffix “P” on the Model Number.
Models equipped with Knob Cover are designated by the suffix (KC) on the Model Number.
Models equipped with both a Pilot Light and a Knob Cover are designated by the suffix
“PKC” on the Model Number.
Figure 1
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