Brook Crompton Series 10 IE1 0.25kW (1/3HP) three phase 4 pole B34 Foot and Face mounting 71 frame AC Induction Motor for 230V or 400V 3 phase supply. Suitable for use with a Variable Frequency Inverter Drive having 1ph or 3ph input and 3ph output, or a fixed frequency three phase mains supply at 50Hz.
Output: 250W (0.33HP) x 1330rpm at 230V or 400V x 50Hz 3ph.
Speed Range from an Inverter Supply: 27:1 Range from 133rpm to 3600rpm for 5Hz to 135Hz, when de-rated at the lower speeds.
Constant Power Speed Range: 1330rpm to 3600rpm continuously. The manufacturer recommends Silicon shaft seals and forced ventilation for applications at the higher end of this range.
Full Load Current with links in Δ (Delta) for 230V 3ph: 1.30A.
Full Load Current with links in Y (Star) for 400V 3ph: 0.75A.
Torque: 1.80Nm at 50Hz.
Efficiency: 65.00% (IE1)
Power Factor: 0.74 when mains connected at 50Hz.
Terminal box cable entry: Includes 1 x M20 Gland.
Terminal box position: Top, sides.
Enclosure rating: IP55.
Dimensions: 138mm wide x 245mm long x 183mm high overall.
Mounting: Foot mount on 7mm holes at 112mm wide x 90mm centres 45mm back from the shaft shoulder.
Face mount on 4 x M6 tapped holes at 85mm PCD with 70mm diameter register in the 105mm diameter flange.
Shaft: 14mm diameter, 30mm long with 5mm key.
Construction: Aluminium
Weight: 6.00kg.
Ambient Temperature: Rated to 40°C.
Ventilation space is required at rear cooling air intake.
Over-Temperature Detection: included.
Part number: B-DA71MA-H 4P B34.
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