25.0 4.72 0.01 (120 0.3) 4.13 0.01 (105 0.3) 1.50 0.01 (38 0.2) 0.18 (4.5) 0.18 (4.5) STATIC PRESSURE - MM OF WATER DC AXIAL FANS MD1238 series X E 20.0 H M 15.0 L 10.0 5.0 0 1.5 3.0 4.5 6.0 7.5 AIR FLOW (M3/MIN) (120 x 120 x 38 mm) 4x O 0.17 0.01 (O 4.4 0.3) 4.72 x 4.72 x 1.5 inches Construction: UL94V-0 PBT impeller & frame Bearing option: ball bearing Rated Voltage V Speed Current mA 12 24 48 RPM Air Volume M/Min. CFM Max. Static Pressure (H2 0) MM INCH Sound Noise Weight dbA g AWG 24, UL1007 lead wires MD1238L 12/24 850 480 - 3,000 3.90 137 10.4 0.42 52.0 411 Frame: flanged MD1238M 12/24 1200 660 - 3,400 4.42 155 13.4 0.54 54.5 411 Protection: thermal MD1238H 12/24 1600 800 - 3,800 4.92 174 16.7 0.67 57.8 411 Options: tachometer output or locked rotor alarm signal; PWM speed control MD1238E 12/24/48 2100 1100 460 4,200 5.43 192 20.4 0.82 59.0 411 MD1238X 12/24/48 2500 1300 850 4,500 5.82 205 23.4 0.94 62.0 411 Connection: w w w.mechatronic s.com 12.22.14 Model No. E - mail: S ales @ M echatronic s.com Fa x : 425 -2 2 2- 515 5 Tel: 425 -2 2 2- 5 9 0 0 800-453-4569 Cooling Simplified