KLIXON CDM-3 Circuit Breaker Setable Terminals Boat Yacht Cdm 3-AMP Screw 3SCREW

( Brand: Klixon ), ( Manufacturer Part Number: CDM-3 ), ( Part Type: Circuit Breaker Amplifier Screw ), ( Warranty: 30 Days ), ( Country Of Origin: United States )

Review KLIXON Circuit Breaker Re setable Cdm 3screw Terminals Boat Yacht fits MARINE RE

The **Klixon CDM-3 Circuit Breaker** is a robust, high-performance marine-grade protection device meticulously engineered to safeguard electrical systems aboard boats, yachts, and other marine vessels from overcurrent conditions, short circuits, and other electrical faults. Designed with a **re-setable** mechanism, this circuit breaker offers unparalleled convenience and reliability, allowing for quick and easy reset after a fault occurs without the need for replacement eliminating downtime and ensuring continuous operation. The **CDM-3 model** features a **screw-terminal connection system**, providing a secure and corrosion-resistant electrical interface that withstands the harsh marine environment, including exposure to saltwater, humidity, and vibration. Built with marine-grade materials, this circuit breaker is rated for **continuous duty operation**, making it ideal for both primary and secondary electrical circuits on board, including power distribution to engines, lighting systems, appliances, and other high-demand loads. Its **compact yet durable design** ensures easy installation in tight spaces, whether in engine compartments, switchgear panels, or under-dash wiring harnesses. The **CDM-3** operates with a **thermal-magnetic trip mechanism**, delivering fast response times to protect against sudden surges while also safeguarding against prolonged overloading, thus extending the lifespan of wiring and connected equipment. Whether used in recreational boats, fishing vessels, or luxury yachts, this circuit breaker exemplifies Klixon s commitment to **performance, durability, and marine-specific reliability**, ensuring peace of mind for boat owners and operators alike.

The Klixon CDM-3 circuit breaker is a popular choice for marine, boat, and yacht applications due to its reliability and ease of use. Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.

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### **Pros of the Klixon CDM-3 Circuit Breaker**

1. **Marine-Grade Durability**

The CDM-3 is designed specifically for marine environments, meaning it is resistant to corrosion, moisture, and saltwater exposure. This makes it ideal for boats, yachts, and other marine applications where electrical systems are exposed to harsh conditions.

2. **Resetable Design**

Unlike non-resetable fuses, the CDM-3 can be manually reset after tripping, saving time and reducing the need for replacement parts. This is particularly useful in marine settings where access to spare fuses may be limited.

3. **Screw Terminals for Secure Connections**

The screw terminals provide a more secure and stable connection compared to some other types of connectors. This reduces the risk of loose wires, which can lead to arcing or intermittent power issues.

4. **Wide Amp Rating Range**

The CDM-3 is available in multiple amp ratings (commonly 10A, 15A, 20A, 30A, etc.), allowing it to accommodate various electrical loads on a boat or yacht. This flexibility makes it suitable for different systems, such as lighting, appliances, or battery chargers.

5. **Compact and Easy to Install**

The breaker is relatively small and lightweight, making it easy to install in tight spaces commonly found in marine electrical panels. Its straightforward design also simplifies wiring and troubleshooting.

6. **Reliable Trip Mechanism**

The CDM-3 is known for its consistent tripping behavior, which helps protect wiring and equipment from overcurrent damage. Unlike some cheaper breakers, it does not tend to trip intermittently or fail prematurely.

7. **Compatibility with Marine Systems**

It is designed to work seamlessly with marine voltage systems (typically 12V, 24V, or 120V/240V AC in some cases) and is often used in conjunction with other marine electrical components like isolators, relays, and distribution blocks.

8. **Long Lifespan**

When used correctly, the CDM-3 has a long operational lifespan, reducing the need for frequent replacements. This is cost-effective in the long run, especially for boats that are used frequently.

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### **Cons of the Klixon CDM-3 Circuit Breaker**

1. **Limited Overload Protection for Sensitive Equipment**

While the CDM-3 protects against short circuits and severe overcurrent, it may not provide fine-tuned overload protection for sensitive electronics (e.g., inverters, sensitive marine electronics, or lithium battery chargers). In such cases, additional protection like a fuse or a more advanced breaker may be needed.

2. **Manual Reset Requirement**

The breaker must be manually reset after tripping, which can be inconvenient if the tripping occurs frequently or in hard-to-reach locations. Automated reset mechanisms (like thermal magnetic breakers with built-in timers) are not available in this model.

3. **Not Ideal for High-Frequency Tripping Applications**

If the circuit experiences frequent but minor overloads (e.g., starting motors or high-inrush loads), the CDM-3 may trip repeatedly, leading to user frustration. For such applications, a breaker with a slower trip curve or a dedicated motor circuit breaker might be more appropriate.

4. **Screw Terminals Can Be Fiddly**

While screw terminals are secure, they can be more time-consuming to connect compared to push-in or crimp-style terminals. This may slow down installation, especially in tight spaces or during maintenance.

5. **Limited Availability of Spare Parts**

While Klixon is a reputable brand, spare CDM-3 breakers may not always be readily available in all regions or marine supply stores. This could be a drawback if a breaker fails unexpectedly and replacements are not stocked locally.

6. **Not Suitable for All Voltage Systems**

While the CDM-3 works well with standard marine voltages (12V, 24V), it may not be ideal for high-voltage systems (e.g., 240V AC) without additional considerations. Always check the breaker s specifications to ensure compatibility with your system s voltage.

7. **Potential for User Error**

Like any manual reset breaker, there is a risk of users accidentally resetting a breaker that has tripped due to a genuine fault (e.g., a short circuit) rather than a temporary overload. This could lead to further damage if the underlying issue is not addressed.

8. **Cost Compared to Alternatives**

While the CDM-3 is reasonably priced for a marine-grade breaker, some cheaper non-marine breakers may offer similar functionality at a lower cost. However, these alternatives may lack the durability and corrosion resistance needed for marine use.

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### **Conclusion**

The Klixon CDM-3 circuit breaker is an excellent choice for marine, boat, and yacht applications due to its durability, resetability, and compatibility with marine electrical systems. Its screw terminals and wide amp range make it versatile and easy to install, while its marine-grade construction ensures reliability in harsh environments. However, it may not be ideal for applications requiring fine-tuned overload protection or frequent resets, and its manual reset mechanism could be a minor inconvenience in some cases.

For most standard marine electrical needs such as protecting lighting circuits, appliances, or battery chargers the CDM-3 is a robust and practical solution. If you require additional features like automatic reset, finer overload protection, or compatibility with high-frequency loads, you may need to consider alternative breakers or supplementary protection devices.

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### **Recommendation**

If you are looking for a **reliable, resetable, and marine-specific circuit breaker** for general-purpose use on a boat or yacht, the **Klixon CDM-3 is highly recommended**. It strikes a balance between cost, performance, and durability, making it suitable for most marine electrical setups.

For **specific applications** where the CDM-3 may fall short (e.g., protecting sensitive electronics, high-inrush loads, or systems requiring automatic reset), consider pairing it with additional protection devices like:

- A **fuse** for sensitive circuits.

- A **motor circuit breaker** for high-starting current loads (e.g., winches, pumps).

- A **distribution block** to organize wiring and improve accessibility.

Always ensure that the breaker s amp rating matches or slightly exceeds the maximum expected load of the circuit it is protecting. If in doubt, consult a marine electrician or refer to your boat s electrical schematic for guidance.

Details:

Listed item in stock always. This listing is for lot of 3, older vintage Circuit Breakers theatre brand new never used or connected, were Removed from panels a Boat manufacturer. Klixon Circuit Breaker Re-setable 9625 CDM-3 A 3 Screw Terminals LOT of 3, Marine Boat Yacht, Actual photo item. They have some marks, scratches and Fla discoloration, fully function Reset when tripped.

Made by the trusted brand Klixon and manufactured in USA, this circuit breaker offers a 30-day warranty for added peace of mind. CANADIANS and OVERSEAS PLEASE E-MAIL FOR SHIPPING COST. Item must be in original packaging and same condition as Received. See pictures.

Fast 1 day handling, same before 10am EST fast shipping in USA.

part #: cdm3 prices

• $8.95-$19.99

specifications ignitionstartin:

• for models: Marine, Re
• brand: Klixon
• mpn: Cdm-3
• part type: Circuit Breaker Amplifier Screw
• warranty: 30 Days
• country of origin: United States

shipping ignitionstartin:

• service: USPS Ground Advantage, USPS Priority Mail Flat Rate Envelope, UPS Next Day Air
• cost: $11.05
• transit: 3-8 Days
• type: Calculated
• class: Standard, Expedited, One-day
• carrier: USPS, UPS

general ignitionstartin:

• Boat Parts > Inboard Engines Components > Ignition Starting Systems
• condition: Used

seller ignitionstartin:

• # Reviews: 18745
• city: Daytona Beach, Florida
• rating: 99.7%

offer ignitionstartin:

• quantity: 2
• best offers: True
• sold: 0
• availability: In Stock
• started: February 23, 2026
• options: Ship-to-home

payments ignitionstartin:

• wallet: Apple-pay
• credit card: Mastercard
• other
• cash

returns ignitionstartin:

• policy: Returns Accepted
• paid by: Buyer
• time: 30 Days

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