Chromalox CXH-A/B-03S Installation, Operation And Maintenance Instructions page 5

Table C - Specifications
Standard CXH-A/B Models
Mechanical
Electrical
Temperature Limitations
Model CXH-A/B heaters have an EC type examination as well as IECEx and EAC certificates issued by Intertek and have been
approved to the following standards
• EN 60079-0:2012+A11:2013
• EN 60079-1:2014
• IEC 60079-0:2011 (Ed. 6)
• IEC 60079-1:2007-04 (Ed. 6)
ATEX
IECEx
EAC Ex
Cabinet
Enclosures
Fan Guard
Heat Exchanger
Fan Blade
Conduit
Pressure Relief Valve
Immersion Heater
High Limit Cutout
Control Transformer
Control Contactor
Motor Protection
Optional Thermostat
Optional Pilot Lights
Operating
Storage
Ex II 2 G Ex db IIB T3 Gb
-40°C≤ T ≤ +40°C (-40°F ≤ T
amb
Ex d 118 T3 Gb
-40°C ≤ T ≤ +40°C (-40°F ≤ T
amb
1 Ex de IIB T3 X
-40°C ≤ T S +40°C (-40°F ≤ T
amb
Powder Coated Carbon Steel
Flame-proof, Aluminum
Finger safe, welded wire
ASME Designed, Carbon Steel
High Performance Aluminum
Galvanized, Heavy Walled
316 Stainless Steel, Preset
High grade nickel chromium resistance wire encased in copper sheath
Manual Reset or Optional Automatic Reset
Class II, 40VA
Heavy Duty Definite Purpose
Thermal Protector
Flame-proof, 50-90°F (10-32°C)
Indicates Heat-on, Heater Fault
-40°C to + 40°C (-40°F to 104°F);
Intermittently to 130°C (266°F)
5
≤ +104°F)
amb
≤ +104°F)
amb
≤ +104°F)
amb