Motor Start Capacitor 70uF/450V AC
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Estimated delivery: 07 Jun - 11 Jun
70uF/450V Motor Start Capacitor for Reliable Operation
This start capacitor ensures efficient starting of electric motors in various household and industrial appliances. With a capacitance of 70uF and a rated voltage of 450V AC, the component guarantees reliable starts for compressors, water pumps, fans, and equipment with single-phase motors. It's a professional solution for quick maintenance and repairs, featuring simple installation via quick connections.
What you get with this product
- Reliable motor starts — 70uF capacitance sized for industrial compressors, pumps, and fans
- Wide compatibility — works with air conditioners, refrigerators, water pumps, and equipment with single-phase motors
- Quick, solder-free installation — 4 spade terminals allow for quick connections, screw with nut for stable mounting on any support
- Extended thermal resistance — operates between -40°C and +85°C, suitable for demanding household and industrial environments
- Self-healing dielectric — SH polypropylene technology extends lifespan and prevents premature failures
- ISO 9001 certified quality — robust construction with ±5% tolerance, dielectric strength tested at 2x nominal value
How it works and how to install it
The capacitor connects in parallel with the starting winding of the electric motor, creating the phase difference required for starting. Installation involves connecting the 4 spade terminals to the motor terminals according to the wiring diagram, then securing the casing to the support using the included screw. Before installation, disconnect power and discharge the old capacitor by touching the terminals with an insulated tool.
Frequently asked questions
How do I know if the capacitor is faulty?
Common signs include: the motor does not start or starts with difficulty, unusual noise during startup, bulging capacitor casing, or signs of leakage. Testing with a multimeter in capacitance mode confirms the actual value against the nominal 70uF.
Can I use this capacitor for any 450V motor?
Yes, if the motor requires a start capacitor with a capacitance of 70uF. Check the motor label or the original capacitor for the correct values — incorrect capacitance affects performance and can damage the motor.
How often should a start capacitor be replaced?
Lifespan varies: at 450V it guarantees 3000 hours of continuous operation. In normal household use, a capacitor can last 5-10 years, but extreme temperature conditions or voltage fluctuations reduce its lifespan.
Technical specifications
| Model | CBB60-P70 |
| Capacitance | 70uF |
| Tolerance | ±5% |
| Rated Voltage | 450V AC |
| Max Voltage | 400V-10000h / 450V-3000h / 500V-1000h |
| Frequency | 50-60Hz |
| Connection Type | 4 spade terminals |
| Operating Temperature | -40°C to +85°C |
| Dielectric | Self-healing polypropylene (SH) |
| Dissipation Factor | ≤0.002 (1KHz, 20°C) |
| Insulation Resistance | ≥3000S |
| Voltage Resistance | 2x nominal voltage (terminal-terminal) |
| Voltage Test | 2000V AC minimum 1 min (terminal-casing) |
| Flammability Class | UL 94 V-2, 750°C RTI |
| Casing Material | Heat-resistant plastic |
| Shape | Cylindrical |
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Specificații
Specificații
Detalii produs
Detalii produs
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