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B3S1 | 30A Hydraulic-Magnetic Circuit Breaker
B3S series circuit breaker for equipment are suitable for overload and short circuit protection in electrical systems with rated current 1A to 125A, AC 50/60 Hz, rated voltage AC 240V and below, and also for infrequent connection and disconnection.
It is widely used in computer and its peripheral equipment, industrial automation equipment, telecommunication equipment, communication powersupply system, UPS equipment, railway locomotive, marine electrical system, elevator control system and mobile power supply equipment.
Specifications
| Specification | DATA |
|---|---|
| Model: | B3S |
| Rated Current: | 1A ~ 125A |
| Rated insulation voltage Ui (V): | 500V |
| Rated impulse withstand voltage Uimp(V): | 4kV |
| Poles: | 1 pole, 2 poles, 3 poles |
Standards： | GB/T 14048.2 /IEC 60947-2, UL489 |
Wiring Diagram
Dimension Drawing
Applications
The B3S breaker is engineered for versatile protection in demanding environments:
:
Marine Electrical Systems
Protecting navigation, lighting, and auxiliary circuits.
Recreational Vehicles (RVs)
Managing AC/DC power safety in mobile applications.
Renewable Energy Systems
Safeguarding PV arrays, wind turbines, and battery banks.
Data Centers & IT Racks
Preventing equipment damage from overcurrent events.
Telecommunication Power Distribution
Ensuring uninterrupted DC power supply.
Industrial Machinery
Ensures safe disconnection of high-voltage batteries, maintaining system integrity in electric .
Why Choose Us as a Hydraulic-Magnetic Circuit Breaker Supplier?
Specialized in Circuit Protection
Decades of experience in overcurrent safety devices.
Wide Application Range
From marine to telecom, renewable, and industrial use.
OEM/ODM Customization
Tailored designs for unique project needs.
Fast Delivery & Global Supply
Ensuring you meet project deadlines.
Technical Expertise & Support
Helping you choose the right breaker every time.
Global Compliance
UL recognition and adherence to international standards.
FAQs
What is the rated current?
1A ~ 125A.
What type of trip mechanism does it use?
Hydraulic-magnetic, ensuring temperature-independent performance.
Can it be used for both AC and DC?
Yes, it supports AC and DC applications.
Is it suitable for marine use?
Yes, it’s corrosion-resistant and built for harsh environments.
Does it meet safety standards?
Yes, it is UL recognized and compliant with industry requirements.
Can it be customized for different trip curves?
Yes, trip characteristics can be tailored for specific applications.
What color does B3S have?
Black,White and Green.
How many poles does it have?
1 pole, 2 poles, 3 poles.
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