AC Cbb61 Square Motor Fan Capacitor Manufacturer

CBB61 Square Motor Capacitors, Built at Our Own Factory

Cixi Riyi Capacitor Factory produces the CBB61 square motor capacitor range: metallized film capacitors for single-phase AC motors, supplied as fan capacitors with either insert-type terminals or wire leads. Values run from 2 µF 450 V insert models through 6 µF, 7.4 µF and 12 µF lead models up to the dual-section 11+3 µF 420&500 V S3 and 7.4+3.6 µF 420 V S3 parts.

The working point is fixed at order — capacitance, voltage rating, safety class and connection style must match the motor winding, the wiring method and the enclosure the capacitor sits in. We also develop custom capacitors from your drawings or samples when a nameplate calls for a value that is not standard.

One Range, Two Connection Styles

As an AC Cbb61 Square Motor Fan Capacitor Manufacturer, we split the line by how the capacitor meets the motor harness, not by application. Both groups share the square-body CBB61 construction.

CBB61 Model Range and Application Fit

Single-capacitance and dual-capacitance versions share the same square housing family, so a change from one value to another rarely changes the mounting footprint.

Reading the Ratings: Capacitance and Voltage

The first number is capacitance in microfarads and the second is the AC voltage rating. A dual value such as 11+3 µF means two sections in one body — a larger section for the main winding duty and a smaller one for the auxiliary circuit.

Relative scale of the listed single-section values; bar length shows capacitance only, not performance ranking.

• Capacitance sets motor torque and speed behaviour; the nameplate value governs the order.
• Voltage rating must sit above the running voltage of the winding, with headroom for mains variation.
• Safety class separates S0 insert models from S3 explosion-proof lead models in this range.
• Connection decides whether the harness terminates on tabs or splices onto leads.

Where These Fan Capacitors Are Used

Our capacitor range serves the electronics, power and household appliance industries. CBB61 parts are the fan capacitor line: they hold a phase shift between main and auxiliary current so the motor develops a rotating field and keeps running smoothly. When a customer needs a plastic-case or aluminium-case part instead of the square CBB61 body, our CBB60 AC motor run and start capacitor range covers those housings.

Manufacturing Base and Quality Control

The factory holds ISO9001 quality management and ISO14001 environmental management system certification, and our products carry CQC, TUV, VDE, IMQ, UL and CE certificates where the relevant series applies. Cixi Riyi operates 11 automatic slitting machines and 15 imported automatic winding machines, supported by 21 technical personnel who handle value checks, sealing and outgoing inspection on CBB61 runs.

Products have been exported to dozens of countries, including the United States, Indonesia, the Philippines, Turkey and Egypt.

Information We Use to Configure Your Solution

Installation, Acceptance and Serviceability

Capacitors are non-polarised, so orientation in the circuit does not decide polarity — the rated value and voltage do. Mount the square body so the terminals or lead exit are not stressed by the harness, keep the case clear of heat sources inside the motor compartment, and discharge any capacitor before handling it during service.

• Confirm the nameplate value against the motor data before fitting a replacement.
• Check terminal seating on insert models and lead crimp integrity on leaded models.
• Keep spare values in stock by capacitance and voltage rather than by appliance model.
• Return failed units with the motor details so we can check the build against the original order.

Frequently Asked Questions

Are you a direct manufacturer of CBB61 fan capacitors?

Yes. Cixi Riyi Capacitor Factory is a direct manufacturer, not a trading company. Our 25,000 m² plant runs 11 automatic slitting machines and 15 imported automatic winding machines with a daily output of 60,000 pieces, and more than 150 employees including 21 technical personnel and 3 engineers.

Which values can we order in the square CBB61 line?

The listed range covers 2 µF, 4 µF, 6 µF, 7.4 µF, 7.5 µF and 12 µF single sections at 250 V, 420 V or 450 V, plus the dual-section 11+3 µF 420&500 V and 7.4+3.6 µF 420 V models. Values outside that list are developed from your drawings or samples.

Insert terminal or wire lead — how do we choose?

Choose insert when the motor or appliance assembly terminates on fixed tabs or posts and you want a plug-on part; choose wire lead when the harness is spliced, potted or subjected to vibration, which is where our S3 explosion-proof leaded models are used.

What does the S3 class mean in your lead models?

S3 is the safety class applied across the lead group, where the capacitor body is sealed and built for explosion-proof duty. The insert group lists both S0 and S3 models, so the required class is confirmed against the appliance specification at order.

Can you match a non-standard nameplate?

Yes. The CBB61 7.4 µF 420 V S3 part exists for motors with a non-standard 7.4 µF / 420 V nameplate. Send the drawing, sample or nameplate data and we will develop the capacitor to suit, including the marking printed on the case.

What certificates apply to these capacitors?

The factory holds ISO9001 and ISO14001 certification, and our products have obtained certificates including CQC, TUV, VDE, IMQ, UL and CE. The applicable certificate depends on the model and the market, and we confirm this with the quotation.