40µF 250VAC Single Phase Motor Start Capacitor

£19.14

In Stock – Next-Day UK Delivery & 1-Year Warranty Included ✅

40µF start capacitor for enhanced motor torque during startup
250VAC rated voltage suitable for standard single-phase motors
Compact 36mm body for easy integration in tight enclosures
CE certified for guaranteed safety and performance compliance
Durable, long-life design for continuous start-stop applications
✅ Compatible with 50Hz and 60Hz AC motor systems

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CAPSTART40-250 Motor Start Capacitor – 40µF, 250VAC, CE Approved

The CAPSTART40-250 motor start capacitor provides a reliable torque boost during motor startup, ensuring smooth and efficient acceleration for single-phase induction motors. Featuring a 40µF capacitance and 250VAC voltage rating, this capacitor supports fast start-up performance and consistent operation. Compact, lightweight, and CE certified, it’s ideal for compressors, pumps, fans, and HVAC motors that require dependable starting torque and quick cycling capability.


Key Specifications

Model Number: CAPSTART40-250
Capacitance: 40µF
Rated Voltage: 250VAC
Input Frequency: 50 / 60 Hz
Body Diameter: 36mm
Height: 80mm
Weight: 0.10 kg
Approvals: CE


Function & Operation

A start capacitor is used to momentarily increase the starting torque of a motor during its initial startup. It stays in the circuit just long enough for the motor to reach approximately 75% of its rated speed, after which it is automatically disconnected—typically via a centrifugal switch or relay. Once disengaged, the motor continues running efficiently, often supported by a separate run capacitor for ongoing performance.


Features & Benefits

  • 40µF start capacitor for enhanced motor torque during startup
  • 250VAC rated voltage suitable for standard single-phase motors
  • Compact 36mm body for easy integration in tight enclosures
  • CE certified for guaranteed safety and performance compliance
  • Durable, long-life design for continuous start-stop applications
  • ✅ Compatible with 50Hz and 60Hz AC motor systems

Typical Applications

  • Pumps and air compressors
  • Refrigeration and HVAC motors
  • Fans and blowers
  • General single-phase induction motors

Why Buy from WormGear Motors Online

Trusted Quality: All capacitors are CE approved and sourced from verified manufacturers.
Best Prices: Affordable, high-quality components with fast UK delivery.
Technical Support: Expert guidance on capacitor replacement, sizing, and installation.
Reliable Service: Fast shipping, accurate stock, and full technical backing.


Order the CAPSTART40-250 Start Capacitor Today

Get fast delivery and expert assistance on CE-approved motor start capacitors designed for reliability and performance. Ideal for both industrial and domestic motor systems.

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Weight 2 kg

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