HIGH PERFORMANCE V 1.57 ±0.01 (40 ±0.2) 1.10 ±0.01 (28 ±0.15) 0.12 (3) 1.26 ±0.01 (32 ±0.2) 35 STATIC PRESSURE - MM OF WATER DC AXIAL FANS MD4028 series E 1.57 x 1.57 x 1.10 inches UL94V-0 PBT impeller & frame Bearing option: ball bearing M 20 L 15 S 10 5 0.10 Model No. Current mA Rated Voltage V Speed 12 24 RPM 0.20 0.30 0.40 0.50 0.60 Air Volume M³/Min. CFM Max. Static Pressure (H2 0) MM INCH Sound Noise Weight dbA g MD4028S 12/24 70 50 5,000 0.209 7.38 4.05 0.159 30.8 50 Frame: ribbed MD4028L 12/24 100 70 6,500 0.272 9.59 6.75 0.266 33.2 50 Protection: thermal MD4028M 12/24 140 90 8,000 0.335 11.82 10.23 0.403 37.2 50 MD4028H 12/24 210 120 9,200 0.384 13.57 13.53 0.533 41.0 50 50 tachometer output or locked rotor alarm signal; PWM speed control w w w.mechatronic s.com MD4028E 12/24 240 140 10,300 0.430 15.19 16.96 0.670 44.0 MD4028X 12/24 350 200 11,500 0.529 18.67 17.72 0.709 47.3 50 MD4028U 12 520 - 13,000 0.598 21.11 22.64 0.906 50.0 50 MD4028V 12 650 - 15,000 0.690 24.35 30.14 1.206 53.1 50 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 0.70 AIR FLOW (M3/MIN) AWG 26, UL1007 lead wires Options: 12.15.14 H 4x Ø 0.13 ±0.01 (Ø 3.4 ±0.15) (40 x 40 x 28 mm) Connection: X 25 0 Construction: U 30 800-453-4569 Cooling Simplified