Marathon .75,.25 HP Fan and Blower HVAC/R Motor, 1 phase, 1800 RPM, 208-230 V, 56 Frame, ODP - B350

Catalog #:B350
Part #:056B17D5706
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General Specifications

Weight: 39.00 LB Packaged Length: 16.38 IN
Packaged Width: 10.5 IN Packaged Height: 9.62 IN

Nameplate Specifications

Output HP: .75,.25 Hp Frequency: 60 Hz
Voltage: 208-230 V Current: 4.7-4.5,3-3.1 A
Speed: 1725,1140 rpm Service Factor: 1.25
Phase: 1 Duty: CONTINUOUS
Insulation Class: B Design Code: 2VT
KVA Code: H Frame: 56
Enclosure: DP Thermal Protection: NOT
Ambient Temperature: 40 °C Drive End Bearing Size: 6203
Opp Drive End Bearing Size: 6203 UL: Recognized
CSA: Y IP Code: 22

Technical Specifications

Electrical Type: CAP START CAP RUN Starting Method: ACROSS THE LINE
Poles: 4//6 Rotation: SELECTIVE CCW
Mounting: RESILIENT BASE-EXTENDED STUDS Motor Orientation: HORIZONTAL
Drive End Bearing: BALL Opp Drive End Bearing: BALL
Frame Material: ROLLED STEEL Shaft Type: T
Overall Length: 12.85 in Shaft Diameter: .63 in
Shaft Extension: 1.88 in Assembly/Box Mounting: F1 Only

Speed Characteristics

Curvepoint Current (Amps) Current (%) Torque (ft-lbs) (%) Speed (RPM) Rated Output (KW) Power Factor (%) Rated Output (Hp)
Break-Down 11.00 73.50 1,579 2.20 0.75
Pull-Up 17.00 34.20 1,057 3.10 0.75
Locked-Rotor 19.80 52.10 0 4.00 0.75

Load Characteristics

% of Rated Load 0 % 25 % 50 % 75 % 100 % 125 % 150 % 175 %
Current (Amps) 2.18 2.36 2.79 3.40 4.14 5.06 6.32 8.44
Rated Output (KW) 0.13 0.26 0.41 0.58 0.77 0.99 1.27 1.72
Efficiency (%)
Power Factor (%)
Speed (RPM) 1,800 1,786 1,775 1,761 1,745 1,726 1,695 1,639
Temp. Rise @ FL
Torque (ft-lbs) 0.00 8.90 17.80 26.90 36.20 45.70 55.80 67.40
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