Hazardous Locations


Product Bar End
Product Bar End


Johnson Controls Explosion Proof Bulb Thermostat A19AUC-2

Johnson Controls Explosion Proof Bulb Thermostat


The Johnson Controls Model A19AUC-2 explosion proof bulb thermostat is an ideal solution for air or fluid temperature control in potentially hazardous areas. Its 6' capillary and bulb make mounting convenient, and its external setpoint adjustment knob provides easy operation without having to verify that the atmosphere is safe. An optional thermowell makes immersion applications a snap.


(Wholesale customers, log in for your special pricing)

QtyModelDescriptionIn StockList PriceInternet Price
A19AUC-2C XP BULB TSTATINFO1,686.00944.16


No accessories found
  • Class I, Division 1, Group D (NEMA 7)
  • Class II, Division 1, Groups E, F, and G (NEMA 9)
  • Line or low voltage control of heating or cooling systems
  • 6' (1.83m) capillary for flexible bulb placement
  • Immersion well available
  • 20º to 80℉ (-7° to 27℃) range
  • Duct bulb holders available

Relay Type:SPDT

Non Inductive Amps:22.0 A @ 277 VAC maximum

Full Load Amps:16.0 A @ 120VAC; 9.2 A @ 208 VAC; 8.0 A @ 240 VAC

Locked Rotor Amps:96.0 A @ 120 VAC, 55.2 A @ 208 VAC, 48.0 A @ 240 VAC

Pilot Duty:125 VA @ 24-600 VAC

Range:20° to 80℉ (-7° to 27℃)

Differential:3.5℉ (1.9℃)

Bulb:0.38" x 4.97" (0.95 x 12.6 cm)

Capillary:6' (1.83 m)

Dimensions:6.25" H x 3" W x 4.25" D (15.9 x 7.6 x 10.8 cm)

Conduit Opening:0.5″ FNPT

Area:Explosion proof Class1, Division 1, Group D; Class II, Division 2, Groups E, F, G

Weight:2.6 lb (1.2 Kg)

Approvals:UL File #E37739, CSA

Warranty:1 year


Download Additional Data

document   A19AUC-2 Catalog Page
document   A19AUC-2 Instructions