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B3R2 | 30A 80VDC Hydraulic-Magnetic Circuit Breaker
B3R2 Hydraulic-Magnetic Circuit Breaker is designed to provide precise and stable overcurrent protection in both AC and DC systems. The circuit breaker consists of a shell, operating mechanism, contact arc extinguishing system and hydraulic solenoid tripping device and other parts.
The circuit breaker is used in AC50Hz/60Hz, rated voltage DC80V or AC480V equipment network circuit. It is mainly used for a variety of equipment and lines to provide accurate and reliable short-circuit and overload protection. Its 10kA breaking capacity meets UL489 standards, offering reliable protection in mission-critical environments.
Specifications
| Specification | DATA |
|---|---|
| Rated Current: | 1–63A (AC), 1–200A (DC) |
| Rated Voltage: | DC80V, DC125V, AC240V, AC250V, AC415V |
| Poles: | 1P, 2P, 3P, 4P |
| Breaking Capacity: | 10KA / UL489 |
Dimension Drawing
Applications
The B3R2 Hydraulic-Magnetic Circuit Breaker is suitable for a wide range of power system protection needs:
Telecommunication Power Systems
Ensures stable operation in telecom base stations and equipment racks, where consistent circuit protection is needed despite ambient temperature changes.
Renewable Energy Systems
Provides safe switching for solar inverters and energy storage units.
Industrial Machinery and Equipment
Provides dependable circuit protection for motors, pumps, and heavy-duty machinery, even under high inrush current and thermal fluctuation conditions.
Battery Energy Storage Systems (BESS)
Applied in low-voltage distribution units of battery systems, protecting sensitive electronics from overcurrent and short circuit faults.
Power Distribution Units (PDUs)
Widely used in data centers and rack-mounted PDUs to provide selective overload protection while saving panel space.
Marine Electrical Systems
Ideal for ships, yachts, and offshore equipment where stable protection is required under humid, salty, and high-vibration environments.
Why Choose Us as a Circuit Breaker Supplier?
Reliable Protection
Our Non-polarity circuit breakers provide exceptional protection against overloads and short circuits.
Wide Range of Options
We offer a variety of circuit breakers to suit different voltage and current needs.
Long-lasting Durability
Built to withstand extreme conditions, our circuit breakers ensure long-term, reliable performance.
Compliance with Standards
Our circuit breakers meet international safety standards, guaranteeing reliable and safe operation.
Fast Delivery
We provide quick shipping and on-time delivery, ensuring your projects stay on schedule.
Cost-effective Solutions
Competitive pricing on high-quality circuit breakers, giving you excellent value and performance.
FAQs
What current ranges does the B3R2 breaker support?
It supports 1–63A for AC systems and 1–200A for DC systems.
What voltage ratings are supported?
This breaker handles DC80V, DC125V, AC240V, AC250V, and AC415V.
What is the breaking capacity?
It has a 10kA breaking capacity and complies with UL489.
What pole options are available?
The B3R2 is available in 1P, 2P, 3P, and 4P versions.
It uses a hydraulic-magnetic mechanism that is unaffected by ambient temperature changes.
It uses a hydraulic-magnetic mechanism that is unaffected by ambient temperature changes.
Is the breaker suitable for renewable energy systems?
Yes, it is well-suited for solar and energy storage applications.
Can the B3R2 be used in marine environments?
Yes, it is designed to function reliably in harsh and mobile environments.
What industries commonly use this breaker?
It is widely used in telecom, industrial control, renewable energy, and residential systems.
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