Hydraulic-magnetic circuit breakers offer superior protection for electrical systems by utilizing fluid dynamics and magnetic fields. Their reliability and precision make them crucial for safeguarding equipment and preventing electrical hazards in various applications. Selecting the appropriate breaker ensures optimal performance and longevity for your electrical infrastructure.
- High-Capacity Circuit Protection: 30 Amp, Double pole, toggle switch, panel mount, Magnetic Hydraulic 30A Circuit Breaker designed for reliable electrical protection
- Space-Constrained Design: Extremely slim and lightweight, allowing side-by-side mounting in PDUs or compact power supply modules.
- Extended Operational Life: 10,000 Switching operations with 6,000 cycles at rated current for long-lasting performance
- AC/DC Universal Application: The rating label indicates 250Vac/80Vdc, demonstrating its capability for both DC (battery packs) and AC systems.
- Certified Safety Standards: Regulatory specifications include cUL1077, EN60934, EN60947, DIN, and CE certifications for quality assurance
- Versatile Marine and Automotive Applications: Suitable for use in yachts, campers, RVs, automotive vehicles, and caravans
- Manual Reset Functionality: Features a manual reset switch for easy control and safety management after circuit interruption
- 15 Amp, Double pole, toggle switch，panel mount,Magnetic Hydraulic 15A Circuit Breaker
- Combines switching and circuit protection into a single device.
- Life : 10,000 Switching opearation with 6,000 at rate current
- Voltage:125/250/277/415Vac; 65/80 Vdc;Temperature : -40 C to +85 C
- Regulatory Sepcification cUL1077; EN60934; EN60947; DIN; CE
- 15 Amp, AC/DC, Black Toggle, Single Pole, ,Hydraulic Magnetic Circuit Breaker
- Side Screws: M4, Mounting Screws: #6-32
- 125/250/277/415/480 VAC; 65/80 VDC
- Regulatory Sepcification cUL 1077; TUV; RoHS; Cadmium free; EN60934; EN60947; CE
- [Application]: Circuit breakers are suitable for control cabinet panels, marine, solar energy systems, automobiles, and other equipment
- 【Complete Protection】: This hydraulic-magnetic circuit breaker utilizes advanced magnetic trip technology. When the current exceeds the set range, it automatically cuts off the power, effectively preventing circuit overloads and short circuits...
- 【Specifications】: Pole: Double Pole. Rated Operational Voltage: AC250V. Rated Current: 15A. Rated Frequency: 50/60 Hz. Trip Current: 18.75A. Rated Breaking Capacity: 2000A.
- 【Durable & Reliable】: The manual reset switch offers a mechanical life of 10,000 operations. At rated load, it maintains an electrical life of 6,000 cycles. This breaker is built with robust materials to guarantee long-term, stable performance.
- 【Easy Installation】: The size is designed to be small and compact, saving space. It requires no complex wiring, enabling simple and quick installation.
- 【Wide Application】: Perfectly suited for yachts, marine vessels, RVs, campers, industrial automation equipment, and more.
- 20 Amp, single Red pole, toggle switch，panel mount,Magnetic Hydraulic Circuit Breakers, AC and DC systems can be used
- Combines switching and circuit protection into a single device.
- Life :10,000 Switching opearation with 6,000 at rate current
- Voltage:125/250/277/415Vac; 65/80 Vdc;Temperature : -40 C to +85 C
- Regulatory Sepcification cUL1077; EN60934; EN60947; DIN; CE
- 25 Amp, AC/DC, White Toggle, Single Pole, ,Hydraulic Magnetic Circuit Breaker
- Side Screws: M4, Mounting Screws: #6-32
- 125/250/277/415/480 VAC; 65/80 VDC
- Regulatory Sepcification cUL 1077; TUV; RoHS; Cadmium free; EN60934; EN60947; CE
- [Application]: Circuit breakers are suitable for control cabinet panels, marine, solar energy systems, automobiles, and other equipment
- 10 Amp, AC/DC, Black Toggle, Single Pole, ,Hydraulic Magnetic Circuit Breaker
- Side Screws: M4, Mounting Screws: #6-32
- 125/250/277/415/480 VAC; 65/80 VDC
- Regulatory Sepcification cUL 1077; TUV; RoHS; Cadmium free; EN60934; EN60947; CE
- [Application]: Circuit breakers are suitable for control cabinet panels, marine, solar energy systems, automobiles, and other equipment
- Hydraulic-Magnetic Circuit Breakers
- Rocker Switch
- Series Trip
- UL 1077
- Quick Connect
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Last update on 2026-07-19 / Affiliate links / Images from Amazon Product Advertising API
How to Choose the Best Hydraulic-Magnetic Circuit Breakers
Understanding Trip Curves
The trip curve of a circuit breaker indicates how quickly it will interrupt the flow of electricity when an overload or short circuit occurs. Common curves range from B (fast-acting) to D (slow-acting). B curves are suitable for purely resistive loads, while C and D curves are designed for inductive loads like motors, which can draw higher inrush currents. Choosing the correct trip curve prevents nuisance tripping while still offering adequate protection.
Amperage and Voltage Ratings
Ensure the breaker's amperage rating matches or slightly exceeds the continuous current draw of the circuit it will protect. Over-sizing can lead to inadequate protection, while under-sizing will cause frequent tripping. The voltage rating must be equal to or greater than the system voltage. For instance, a 120/240V breaker can be used in a 120V system, but a 120V breaker should not be used in a 240V system.
Number of Poles
Circuit breakers come in single-pole, double-pole, and triple-pole configurations. A single-pole breaker protects one live conductor and is typically used for 120V circuits. A double-pole breaker protects two live conductors simultaneously and is used for 240V circuits or to ensure both wires of a 120V appliance are disconnected. Triple-pole breakers are used for three-phase power systems.
Environmental Considerations
Consider the environment where the breaker will be installed. Some breakers are designed for specific conditions, such as high humidity, corrosive atmospheres, or extreme temperatures. Look for breakers with appropriate NEMA or IP ratings if they will be exposed to dust or water. Proper selection ensures the breaker's integrity and operational safety.
