Rocker Switch Size and Specification Complete Guide (Full Model List)

A rocker switch is also known as a boat switch or wave switch. It is one of the most common power control components for electronic and electrical equipment. The switch adopts a rocker-type operating structure with the same internal mechanism as toggle switches. However, it uses a boat-shaped button for simpler and more intuitive operation. Most standard rocker switches use SPST (Single Pole Single Throw) or DPST (Double Pole Double Throw) contact structures. Also, many models include indicator lights to display working status clearly.

The rocker switch delivers stable performance, simple installation, and a cost-effective price. So it is widely used in daily and industrial electrical appliances. Typical equipment includes water dispensers, treadmills, computer speakers, electric vehicles, and motorcycles. It also covers TVs, coffee makers, power strips, and massage machines. Rocker switches come in hundreds of models and dozens of panel opening sizes. Therefore, you must select the correct dimension and model for your equipment panel design.

Complete Rocker Switch Size & KCD Model Specification List

Therefore, this article provides a complete rocker switch size and specification list. It covers all mainstream panel opening dimensions and their matching KCD series models. As a result, this helps engineers and buyers select the right switch fast.

This classification follows mainstream panel opening sizes. Each dimension corresponds to mature and stable KCD series rocker switch models. So these cover small, medium, large, and dual-row rocker switches for different equipment installation needs.

1. Panel Opening Size: 21*15mm

First, this is the most common miniature rocker switch size for small household appliances and portable electronic devices.

The corresponding stable mass-production models include KCD1-101A, KCD1-101B, KCD1-102A, KCD1-102B, KCD1-103B, KCD1-103C, KCD1-104A, KCD1-104S, KCD1-203A, KCD1-206A, KCD1-107TT.

2. Panel Opening Size: 15*10.5mm

Also, this ultra-small compact size suits equipment with limited panel space and mini electronic devices.

Corresponding models: KCD11-101C, KCD11-105C, KCD11-105S.

3. Panel Opening Size: 30*11mm

In addition, this narrow long strip design is perfect for strip-type power panels and industrial control equipment.

Corresponding model: KCD2-2101CB.

4. Panel Opening Size: 23mm

Similarly, this square medium-sized opening fits most conventional power switches for home appliances.

Corresponding models: KCD2-2102A, KCD2-2102TT, KCD2-2103B, KCD2-2103S, KCD2-2203A, KCD2-2206B.

5. Panel Opening Size: 25.7*17.1mm

Moreover, this medium standard size offers stable load-bearing capacity for medium-power electrical equipment.

Corresponding models: KCD2-2303A, KCD2-2303B.

6. Panel Opening Size: 40.5*24.3mm

Furthermore, this large single-hole opening suits high-power equipment power control.

Corresponding model: KCD2-2306C.

7. Panel Opening Size: 31*28mm

Also, this wide-body medium-large size suits industrial equipment and high-current appliances.

Corresponding models: KCD3-3102A, KCD3-3103A, KCD3-3103B, KCD3-3103S, KCD3-3303A.

8. Panel Opening Size: 34.8*16mm

In addition, this special narrow wide-size opening fits customized equipment panels.

Corresponding model: KCD3-3103TT.

9. Panel Opening Size: 31*25mm (Dual Rocker Switch)

Moreover, this dual-linkage double switch structure suits dual-control power equipment and multi-circuit appliances.

Corresponding models: KCD3-3104A, KCD3-3106B, KCD4-4104B, KCD4-4104BT, KCD4-4106A, KCD4-4106B, KCD4-4204A, KCD4-4206A.

10. Panel Opening Size: 40.5*33.5mm

Furthermore, this extra-large wide-body opening suits high-power industrial equipment.

Corresponding model: KCD4-3109B.

11. Panel Opening Size: 33.7*25mm

Similarly, this custom medium-wide size suits special industrial control panels.

Corresponding model: KCD4-4206BBT.

12. Panel Opening Size: 24.5*21mm

Also, this conventional universal size is compatible with most household and commercial equipment.

Corresponding models: KCD5-5104A, KCD5-5104B, KCD5-5106A, KCD5-5206A.

13. Panel Opening Size: 47.2*31.2mm

In addition, this super-large opening suits heavy-duty electrical equipment.

Corresponding model: KCD5-6101AT.

14. Panel Opening Size: 50*30.8mm

Finally, this maximum standard opening size suits high-power industrial machinery.

Corresponding model: KCD5-6101BBT.

Key Features of Standard KCD Series Rocker Switches

All KCD series rocker switches support snap-in panel installation, which is fast and firm without extra screws. In addition, the product series covers single-pole, double-pole, single-control, dual-control, illuminated, and non-illuminated types. As a result, these switches offer complete size specifications, stable electrical conductivity, and high temperature resistance. They also provide a long mechanical lifespan for household, commercial, and industrial equipment.

Conclusion

Therefore, matching the right panel opening size and KCD model is key to successful rocker switch installation. It also ensures stable equipment operation. In fact, different sizes correspond to different current loads and application scenarios. So choosing the right specification avoids installation failure, poor contact, and circuit instability.

We supply full-series KCD rocker switches with complete sizes and specifications. In addition, we support custom logos, customized functions, and small-batch fast turnaround. So contact us for detailed datasheets and free quotations.