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MTR3a
Reversible Synchronous Motor - 250 RPM

MTR3a


Reversible Synchronous Motor - 250 RPM

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Standard Data
Parameter Value Unit
Motor type Reversible synchronous V
Ambient temperature operation -15...+55 °C
Ambient temperature storage -20...+100 °C
Thermal class 105 °C
Electrical Enclosure 40 IP
Connections Flexible Leads 26 AWG, 200mm length; ends stripped 10 mm
Sense of rotation Indicated by lead colour (red-CW & black ACW)
Life expectancy 3 Years in continuous operation
Mounting any position
HVT As per standard 1EC60034-1
Weight 65 g
Rotor stalling Motor can be stopped when voltage is applied, without being overheated
Rotor shaft Hardened steel,ground and polished
Bearings Sintered bronze,self-lubricating
External dimensions dia.36x21.5 mm
Application

Recorders, Instrumentation, Diamond machinery, Valve Actuators, Light displays, Textile machinery, Medical equipment, Air conditioning & refrigeration, Dampers, Peristaltic Pumps, Dosing Pumps, Vending machines, CCTV Camera positioning, any timing and positioning Application.

Design

MTR3a reversing synchronous motor is of the permanent magnet type with two stator windings, for single phase AC 50/60 Hz. Phase displacement of the excitation current is achieved by connecting a capacitor in parallel with one of the stator windings. The sense of rotation is determined by the resulting circular rotating field. Electrical reversal of the sense of rotation is effected by means of a single-pole changeover switch. The 24 pole rotor which has a steel shaft polished to a mirror-finish rotates in sintered bronze bearings. The motor can be provided with mounting plate/screw clip for fixing.

Technical Data
Parameter Value Unit
Standard Motor Voltages(VN) 12, 24, 48, 110, 230 V
Operation capacitor(50 Hz)Cn at 12v 12V- 10/20, 24V- 3.3/50, 48V- 0.82/100, 110V- 0.15/200 µF/VAC
Operation capacitor(60 Hz)Cn at 230v 12V- 10/20, 24V- 3.3/50, 48V- 0.82/100, 110V- 0.15/200 µF/VAC
Lead colour (Vn) Grey (12v) 12V- Grey, 24V- Blue, 48V- Brown, 110V- White, 230V- Yellow
Tolerance of voltage -10...+15% of rated voltage %
Duty cycle 100 %
Rated frequency 50/60 Hz
Power output at rated voltage 0.2, 0.25 W
Speed 250, 300 Rpm
Running torque at rated voltage 0.8 Ncm
Power consumption at rated voltage 1.5 Ncm
Detent Torque at (50Hz) 0.19 Ncm
Dimensional Drawing
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Connection Diagram
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