Series AT3A3000 ATEX/IECEx Approved Photohelic® Switch/Gages

Photohelic® Switch/Gages in Flameproof Enclosures

This Series is no longer available, please see Series AT-A3000 for the suggested replacement.

Please see Series A3000 for non-ATEX/IECEx approved.

California Residents:  Click Here for Proposition 65 WARNING.

Specifications

Service:
Air and non-combustible, compatible gases.
Wetted Materials:
Consult factory.
Accuracy:
±2% of FS at 70°F (21.1°C); ±3% on -0 and ±4% on -00 models.
Pressure Limits:
-20 in Hg to 25 psig (-0.677 to 1.72 bar). MP option; 35 psig (2.41 bar), HP option; 80 psig (5.52 bar).
Temperature Limits:
20 to 120°F (-6.67 to 48.9°C) LT low temperature option to -20°F available; (Note: Product temperature limits differ from case).
Dial Size:
4" (101.6 mm).
Mounting Orientation:
Diaphragm in vertical position.
Set Point Adjustment:
Adjustable knobs on Photohelic® gage face behind enclosure cover. Follow instructions and safety warnings to open cover.
SWITCH SPECIFICATIONS:
Switch Type:
Each setpoint has 2 Form C relays (DPDT).
Repeatability:
±1% of FS.
Electrical Rating:
10 A @ 120 VAC, 6 A @ 240 VAC, 60 Hz res. 10 A @ 28 VDC.
Electrical Wiring:
Screw terminals.
Power Requirements:
120 VAC, 50/60 Hz; 240 VAC & 24 VAC power optional.
Enclosure Rating:
IP66. IP65 with option OPV, overpressure relief valve.
Housing material:
Aluminum.
Finishing:
Texture epoxy coat RAL7038.
Pressure Connections:
1/8" NPT female brass (SS optional). In presence of acetylene it is necessary to use SS.
Electrical Connections:
Three 1/2" FNPT. Cable gland not included.
Weight:
28.4 lb (12.9 kg).
ATEX Certificate:
BVI 14ATEX0072.
Agency Approvals:
ATEX Compliant CE 1370 Ex II 2G Ex d IIC T6 Gb / II 2D Ex tb IIIC T85°C Db, -60°C=Tamb=+60°C IECEx Compliant: Ex d IIC T6 Gb / Ex tb IIIC T85°C Db

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