Specifications
The document outlines the specifications for the SE838PT ATEX Series EC Axial fan, which features an AC input and a DC ECO motor. The fan dimensions are 80 x 80 x 38 mm (3.1 x 1.5 inches) with a maximum airflow of 60 CFM (1.7 m³/min). It is constructed with a plastic frame and impeller made from thermoplastic PBT UL94V-0. The fan is available in wire lead type (WB) or terminal type (TB) ball bearing configurations.

Electrical Specifications
- Dielectric Strength: 1,500VAC/min
- Speed Control Options: PWM, SC & SV
- Signal Output Options: FG, RD

Environmental Conditions
- Operating Temperature: -20°C to +65°C
- Storage Temperature: -40°C to +75°C (at 65% RH)
- Life Expectancy: L10 70,000 hours at 40°C

Motor and Protection
- Motor Type: AC Input / DC Energy Saving Motor
- Burnout Protection: Electronically protected
- IP Protection: IP67

Mechanical Specifications
- Frame and Impeller Material: Thermoplastic PBT UL94V-0
- Connection: Lead wires or Terminal type
- Weight: 104 g (0.23 lbs)

Performance and Standards
The fan complies with several standards including EN IEC 60079-0:2018 and its amendments, as well as EN 60079-7:2015 and its amendments. Performance is detailed in P-Q curves and dimensions drawings.

Model Variants and Performance
The document lists several model variants with different rated voltage inputs and performance characteristics:
- SE838PT-FR-HH** (Ex67): 115/230 VAC, 4,500 RPM, 60 CFM, 0.49 inch H2O static pressure, 50 dB(A) noise level
- SE838PT-22-HH** (Ex67): 230 VAC, 4,500 RPM, 60 CFM, 0.49 inch H2O static pressure, 50 dB(A) noise level
- SE838PT-11-HH** (Ex67): 115 VAC, 4,500 RPM, 60 CFM, 0.49 inch H2O static pressure, 50 dB(A) noise level
- SE838PT-FR-H** (Ex67): 115/230 VAC, 3,000 RPM, 38 CFM, 0.22 inch H2O static pressure, 32 dB(A) noise level
- SE838PT-22-H** (Ex67): 230 VAC, 3,000 RPM, 38 CFM, 0.22 inch H2O static pressure, 32 dB(A) noise level
- SE838PT-11-H** (Ex67): 115 VAC, 3,000 RPM, 38 CFM, 0.22 inch H2O static pressure, 32 dB(A) noise level

Note: The manufacturer reserves the right to change data and improve design without notice, with a data tolerance of ±10%.