Rectangular Motor Start Capacitor 3uF/450V-4C
Available in stock
Minimum order quantity: 2 pcs
| Quantity | Price per unit | You save |
|---|---|---|
| 1–2 pcs | 5,99 lei | — |
| 3–4 pcs | 5,69 lei | 5% (−0,30 lei/unit) |
| 5–10 pcs | 5,39 lei | 10% (−0,60 lei/unit) |
| 11+ pcs | 5,09 lei | 15% (−0,90 lei/unit) |
3uF 450V Motor Start Capacitor for Home and Industrial Equipment
This rectangular CBB61 capacitor ensures quick starting and stable operation of electric motors in air conditioners, water pumps, compressors, and fans. Featuring quick connection via 4 male spade terminals and a robust plastic casing, it resolves motor starting problems without complex interventions.
What you get with this product
- Instant start of electric motors — eliminates delays and noise at startup
- Universal compatibility — works with motors from air conditioners, pumps, compressors, fans, and power tools
- Seamless installation — 4 male spade terminals allow direct connection in 2-3 minutes
- Resistance to vibrations and high temperatures — durable plastic casing protected according to P2 SH standard
- Certified safety — ±5% tolerance and RoHS compliance guarantee stable long-term operation
- Direct replacement — standard dimensions for quick retrofitting without modifications to the electrical installation
How it works and how to install
The capacitor stores electrical energy and releases it quickly when the motor starts, providing the extra power needed to overcome initial inertia. It connects in series with the motor's auxiliary winding via the 4 metal terminals — identify the terminals according to the equipment's electrical diagram, insert the spades onto the corresponding terminals, and secure the connections. Before installation, disconnect power and discharge the old capacitor with a resistor for maximum safety.
Frequently Asked Questions
How do I know if this capacitor is compatible with my motor?
Check the capacitance (3uF) and voltage (450V) written on the old capacitor — they must match exactly. The number of terminals (4) and the rectangular shape are additional indicators of compatibility.
Can it also work at voltages lower than 450V?
Yes, 450V is the maximum permissible voltage — the capacitor operates normally at 220-240V from the household mains, with a built-in safety margin.
How long does such a capacitor last on average?
Under normal use in household or industrial equipment, the lifespan exceeds 5-7 years. Premature deterioration usually occurs due to overvoltages or excessive temperatures.
Technical Specifications
| Model | CBB61-4C-300 |
| Capacitance | 3 µF |
| Tolerance | ±5% |
| Rated Voltage | 450V AC |
| Frequency | 50-60 Hz |
| Contact Type | 4 male spade terminals |
| Protection | P2 SH |
| Casing Material | Plastic |
| Dielectric Material | Metallized polypropylene film |
| Shape | Rectangular |
| Conformity Standard | EN60252-1, RoHS |
Warranty and Support
The product benefits from a 24-month warranty in accordance with Romanian consumer protection legislation. You have the right to return the product within 30 days of purchase if it does not meet your expectations. Delivery is fast via national courier with telephone confirmation.
Couldn't load pickup availability
