Single Phase Motors
Single-phase capacitor-start / capacitor-run motors for domestic and light industrial duty.
Technical data sheet
Single Phase Induction Motor
Single phase induction motor (capacitor-start / capacitor-run) for domestic and light commercial pumping, fans, and general-purpose drive duty. Class F insulation with TEFC enclosure.
Characteristics
| Rated Output | HP | 0.25 to 3 |
|---|---|---|
| kW | 0.18 to 2.2 | |
| Poles | — | 2 / 4 |
| Speed | RPM | 1440 / 2900 |
| Frequency | Hz | 50 |
| Supply | Volt | 180–240 (1Φ) |
| Configuration | — | Capacitor-start / Capacitor-start–capacitor-run (CSCR) |
| Insulation | Class | F |
| Protection | IP | IP44 / IP55 options |
| Duty | — | S1 — Continuous |
| Applications | Use | Domestic pumps, Fans, Compressors, Household appliances, Light industrial |
Material of Construction — Electrical
- Stator winding: EC grade copper, dual-coat enamel, F class
- Stator core: Electrical-grade silicon steel laminations
- Rotor: Aluminium pressure die-cast — squirrel cage
- Run capacitor: Metallised polypropylene film, oil-cooled
- Start capacitor: Electrolytic, with start relay
- Centrifugal switch: On CSIR variants, with brass contacts
Material of Construction — Mechanical
- Frame: Aluminium alloy / cast iron, TEFC
- End shields: Aluminium alloy / cast iron
- Shaft: EN-8 carbon steel, dynamically balanced
- Bearings: Sealed deep-groove ball bearings, lifetime greased
- Fan: Bi-directional polypropylene
- Fan cover: Mild steel pressed, powder-coated
- Terminal box: Aluminium / cast iron, with cable gland
- Mounting: B3 (foot) standard; B5 (flange) on request
Salient Features
- Capacitor-start, capacitor-run (CSCR) for high starting torque
- Run capacitor for high power factor and efficiency
- Class F insulation with Class B temperature rise
- TEFC fan-cooled enclosure (IP44 / IP55)
- Built-in thermal overload protector (klixon)
- Aluminium die-cast rotor — quiet operation
- Sealed deep-groove ball bearings — maintenance free
- Suitable for 180–240 V supply with ±10% tolerance
- Foot-mounted (B3) standard, flange (B5) on request
- Conforms to IS 996
Applications
- Domestic monoblock & self-priming pumps
- Domestic submersible pump sets (up to 3 HP)
- Fans, blowers, & air handling units
- Small compressors
- Light industrial machinery
- Household & commercial appliances
Single phase capacitors are consumables — keep replacement set as spares.
Avoid prolonged operation below 180 V supply; install voltage stabiliser if required.
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Single Phase Motors for India, UAE, Saudi Arabia & Export Markets
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