This thermostat provides remote bulb or coiled bulb sensing for hazardous environments.
FeATureS
• Precision enclosed switch and a liquid-filled sensing element provides repeat accuracy that is unaffected by barometric pressure and cross-ambient temperature fluctuations • SPDT switch provides open high or close high action for heating or cooling
• Electrical rating permits direct control of most equipment Item Switch Action range °F (°C) Diff F° (C°)
A19AUC-1C SPDT A19AUC-2C SPDT A19AUC-3C SPDT
Bulb and Capillary Bulb Well (If required) range Adjuster Max Bulb Temp °F (°C)
-30 to 50 (-34 to 10) 5 (2.8) 3/8 in. x 4-1/16 in., 6 ft. Cap. 20 to 80 (-7 to 27) 3-1/2 (1.9) 3/8 in. x 4-31/32 in., 6 ft. Cap. 0 to 150 (-18 to 66)
6 (3)
A19AUC-4C SPDT 100 to 250 (38 to 121) 6 (3) A19BUC-2C SPDT
20 to 80 (-7 to 27) 3-1/2 (1.9)
.290 x 2-1/2 in., 10 ft. Cap. .290 x 2-3/8 in., 10 ft. Cap. Coiled
WEL14A-602R WEL14A-603R WEL16A-600R WEL16A-600R -
Knob Knob Knob Knob Knob
140 (60) 140 (60) 190 (88) 290 (143) 140 (60)
SPDT -30 to 100 (-34 to 38) 3 to 12 (1.7 to 7) 1 3/8 in. x 2 1/4 in. Coiled Convertible 140 (60)
Switch Action
range °F (°C)
Diff F° (C°)
SPST, Open High 35 to 95 (0 to 35) 3 (1.7) Fixed SPDT SPDT
Bulb and Capillary 1 3/8 in. x 2 1/4 in. Coiled
30 to 110 (-1 to 43) 3 1/2 (1.9) Fixed 1 3/8 in. x 2 1/4 in. Coiled 30 to 110 (-1 to 43) 1 1/2 (0.9) Fixed 1 3/8 in. x 2 1/4 in. Coiled
range Adjuster Max Bulb Temp °F (°C) Knob
Convertible Knob
140 (60) 140 (60) 140 (60)
486
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