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80A 12V/24V/48V Automatic over-current DC circuit breaker / switch
Art: CB80
Description
Photonic Universe ▶ DC Protection
80A Automatic Over-Current DC Circuit Breaker
Resettable Fuse & Manual Switch | 12V/24V/48V DC Systems
The Photonic Universe 80A DC Circuit Breaker (SKU: CB80) provides essential over-current protection and manual circuit isolation for a wide range of DC electrical systems. This versatile unit combines the functionality of a resettable 80A fuse with an integrated On/Off switch, making it an ideal solution for safeguarding your solar, automotive, marine, or off-grid power installations.
Designed for reliability and ease of use, this circuit breaker eliminates the need for replacement fuses, offering a convenient manual reset after an over-current event. Its robust construction and comprehensive safety ratings ensure dependable performance in demanding environments.
DUAL FUNCTIONALITY: Acts as both a resettable 80A fuse and a manual On/Off isolation switch for DC circuits.
Key Features
| ▶ 80A Over-Current Protection — Safeguards DC systems from excessive current. |
| ▶ Resettable Design — Eliminates the need for fuse replacement after a trip. |
| ▶ Manual On/Off Switch — Provides convenient circuit isolation and reconnection. |
| ▶ Wide Voltage Compatibility — Suitable for 12V, 24V, and 48V DC systems. |
| ▶ Robust & Durable — Constructed from UL94V-0 rated thermal plastic. |
| ▶ Weather & Ignition Protected — IP67 water resistance and meets SAE J1625, J1171, UL1500 standards. |
Technical Specifications
| Parameter | Value |
|---|---|
| Rated Current | 80A |
| Voltage Range | 12V / 24V / 48V DC |
| Protection Type | Over-Current |
| Reset Type | Manual Reset |
| Material Rating | UL94V-0 Thermal Plastic |
| Water Resistance | IP67 Rated |
| Ignition Protection | SAE J1625, J1171, UL1500 |
| Mounting Type | Surface Mount |
Functional Overview & Operation
This 80A DC circuit breaker is engineered to provide reliable protection against various electrical faults in direct current systems. When an over-current condition occurs due to high power draw, a short-circuit, wiring error, or equipment malfunction, the breaker automatically trips to interrupt the circuit and prevent damage to components.
Unlike traditional fuses that require replacement, this unit can be manually reset once the fault has been cleared, offering significant convenience and cost savings. Additionally, its integrated manual-break mechanism allows it to function as a robust On/Off switch, enabling simple and safe disconnection of the circuit for maintenance or system isolation.
Typical Applications
| Application | Description |
|---|---|
| Solar & Wind Systems | Connecting charge controllers to batteries, or between off-grid inverter DC inputs and batteries. |
| DC Power Distribution | Protecting main DC power distribution circuits or individual charging circuits. |
| Automotive & Marine | Ideal for protecting auxiliary circuits, audio systems, or other high-current DC loads in vehicles and boats. |
| Off-Grid Installations | Essential for safety and control in various off-grid power setups, including caravans and motorhomes. |
Built-In Protection Functions
The Photonic Universe 80A DC Circuit Breaker is designed with multiple layers of protection to ensure system safety and longevity. It offers robust over-current protection against high power draw, short-circuits, wiring mistakes, and equipment faults. • The unit is constructed from strong thermal plastic with a UL94V-0 flammability rating, providing excellent resistance to high temperatures. • An IP67 rating ensures the breaker is water resistant, suitable for outdoor or marine environments. • Furthermore, it is ignition protected, meeting international standards S.A.E. J1625, J1171, and UL1500, making it safe for use in environments where flammable vapours may be present.
Common Questions
What is the primary function of this circuit breaker?
This 80A DC circuit breaker serves two main purposes: it provides automatic over-current protection for your DC system, similar to a fuse, and it acts as a manual On/Off switch for circuit isolation.
How does it differ from a standard fuse?
Unlike a standard fuse that blows and requires replacement after an over-current event, this circuit breaker is resettable. Once the fault is cleared, you can manually reset it to restore power, saving time and the cost of replacement fuses.
Is this circuit breaker suitable for outdoor use?
Yes, with an IP67 rating, this circuit breaker is water resistant, making it suitable for use in environments where it may be exposed to moisture, such as marine or outdoor solar installations.
What voltage systems is it compatible with?
The circuit breaker is designed for a wide range of DC system voltages, including 12V, 24V, and 48V, offering flexibility for various applications.
Installation Notes
- Ensure the circuit breaker's current rating (80A) matches or exceeds the maximum expected load of your circuit.
- This unit is designed for surface mounting. Ensure a flat, stable surface for secure installation.
- Always disconnect power to the circuit before installing or servicing the circuit breaker.
- Use appropriate gauge wiring for the 80A current rating to prevent overheating and ensure safety.
- Consult a qualified electrician if you are unsure about any aspect of the installation process.
Before You Buy
- Verify the current and voltage requirements of your DC system to ensure compatibility with this 80A, 12V/24V/48V breaker.
- Consider the environmental conditions of your installation; the IP67 rating confirms water resistance.
- Confirm that surface mounting is suitable for your intended application.
- Understand that this breaker provides over-current protection and manual circuit isolation.
- For complex systems, always ensure your protection devices are correctly sized and integrated.
Please verify all specifications and compatibility requirements for your specific application before purchase. Product details are based on manufacturer specifications.
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