Chromalox Big Red Book

Controls

AR-LT & AR-EP Non-Indicating Temperature Controllers (cont’d.)

Dimensions

4.43 (113)

5.06 (129)

AR-LT

Two 5.06 (129) Mounting Holes

7.06 (180)

7.06 (180)

Front View

Side View

4 (102)

4.25 (108)

0.75 (19) NPT Hubs

AR-EP

6.50 (165)

6.50 (165)

Front View

Side View

All Dimensions in Inches (mm) See table below for Bulb Dimensions

Ordering Information

AR-LT Watertight & Weather-Resistant

AR-EP Explosion Proof

Amp.

Bulb Dim. (In.)

Temp. Range (˚F)

Cap Lgth. (Ft.)

120- 277V 480V Style Dia. Lgth.

Wt. (Lbs.)

Wt. (Lbs.)

Model

Stock PCN

Model

Stock PCN

0-100 0-100 0-100

30 30 30 30 30 30 30 30 30 30 30 30 30

10 10 10 10 10 10 10 10 10 10 10 10 10

5 5 5 4 4 5 5 9 9 4 9 5 9

3/8 3/8 3/8 1/4 1/4 3/8 3/8

4-5/16 4-5/16 4-5/16 5-5/32 5-5/32

7 2 12 7 15 7 2 7 15

AR-115LT AR-115ALT AR-115CLT AR-214LT AR-214DLT AR-215LT AR-215ALT AR-219LT AR-219DLT AR-514LT AR-519LT AR-715LT AR-716LT

NS NS NS NS NS NS NS NS NS NS NS NS NS

269990 299700 299719 269691 299727 299823 299735 272313 299743 293579 293587 299807 299815

5 5 5 5 5 5 5 5 5 5 5 5 5

AR-115EP AR-115AEP AR-115CEP AR-214EP AR-214DEP AR-215EP AR-215AEP AR-219EP AR-219DEP AR-514EP AR-519EP AR-715EP AR-719EP

NS NS NS NS NS NS NS NS NS NS NS NS NS

299428 227985 299444 299401 227977 299250 227969 299399 227950 299436 299268 299452 299479

5 5 5 5 5 5 5 5 5 5 5 5 5

60-250 60-250 60-250 60-250 60-250 60-250 200-550 200-550 300-700 300-700

4 4

3/16 3/16 1/4 3/16 3/8 3/16

10-11/16 10-11/16

5-5/8 9

7 7 7 7

3-11/16 12

Stock Status: S = stock NS = non-stock Notes — A. AR-EPs are UL listed for use in Class 1, Div. 1 & 2, Groups C & D and Class II, Groups E, F and G Hazardous Locations and for 120 to 277 Vac Applications only. Not rated for 480 Vac. B. See ordering information table above for Bulb and Capillary dimensions. C. Thermowells (CPW_) and Universal Compression fitting (CCF) for all AR thermostats must be ordered separately. D. Pilot Duty rating, 125 VA for 125 Vac, 250 VA for 250 - 277 Vac.

ELECTROMECHANICAL & THERMOSTATS

H-181