BSB B2 Hydraulic Electromagnetic Circuit Breaker 250VAC 80VDC 50A 45A 36A 32A 30A 20A 16A10A for PDU UL List

Name: BSB B2 Hydraulic Electromagnetic Circuit Breaker 250VAC 80VDC 50A 45A 36A 32A 30A 20A 16A10A for PDU UL List
Brand: Zhejiang Bsb Electrical Appliance Co., Ltd.
SKU: 1600891678179_1
Price: 3.50 USD
Availability: InStock
Rating: 4.8 (100 reviews)

Product overview

Core functionalities

Applicable scenarios

Unique advantages

Overcurrent Protection: Designed to automatically interrupt electrical circuits when current exceeds rated limits (e.g., 30A, 50A, or 63A), preventing damage to wiring and equipment.
Hydraulic Electromagnetic Mechanism: Combines magnetic tripping for rapid response to high surges and hydraulic delay for precise overcurrent detection, ensuring reliable circuit safety.

Key features

1. Corrosion-Resistant Metal Construction

With a corrosion-resistant metal frame, ensure long-lasting durability in harsh environments. This design outperforms plastic-only breakers in industrial settings where moisture or chemicals are present.*

2. Hydraulic Electromagnetic Technology

With hydraulic electromagnetic technology, achieve precise overcurrent protection with instant response to surges. This advanced mechanism offers faster tripping compared to traditional thermal-magnetic breakers.*

3. High-Capacity Performance

Rated for 250VAC/80VDC and up to 63A, handle heavy-duty loads and surges with a 4000A interrupting capacity. This exceeds the capacity of standard residential breakers, ensuring reliability in industrial applications.*

4. Versatile Scenario Adaptability

Designed for PDU systems and commercial/residential use, this breaker safeguards sensitive electronics in data centers while supporting heavy machinery in industrial settings. Its adjustable amperage range (5A–63A) accommodates diverse applications.*

5. UL-Listed Safety Certification

With UL certification, guarantee compliance with rigorous safety standards. This ensures superior reliability compared to non-certified alternatives, protecting both equipment and users.*

Product details

The BSB B2 Hydraulic Electromagnetic Circuit Breaker is a robust single-pole protection device designed for AC/DC circuits up to 250V. With a compact industrial design and UL certification, it ensures reliable overcurrent protection in residential, commercial, and industrial settings. Customizable amperage and voltage ratings make it adaptable to diverse applications.

Technical specifications

Feature	Specification	Application Scenario
Rated Current	5A–63A (customizable)	Protecting circuits in lighting, motors, or HVAC systems
Rated Voltage	250VAC / 80VDC	Ensuring compatibility with mixed AC/DC systems
Trip Amps	37.5A (D2 delay)	Safeguarding against sudden overloads in industrial machinery
Current Rating (Icn)	4000A	Withstanding extreme fault currents in high-power installations
Certifications	UL Listed	Meeting safety standards for North American markets
Material	Durable plastic/metal composite	Resisting environmental wear in harsh industrial environments

Customization guide

Adjustable rated current (5A–63A) and voltage compatibility (250VAC/80VDC) allow tailored solutions for specific load requirements. For outdoor or dusty environments, select models with IP-rated enclosures to enhance protection.

Get inspired

With the BSB B2 Circuit Breaker’s 4000A Icn rating, you can safely handle high fault currents in data centers or industrial plants. Its magnetic tripping mechanism ensures rapid response to overloads, protecting equipment and reducing downtime.

Choose your model

Parameter	Base Model	Advanced Model	Pro Model
Rated Current	10A–30A	32A–50A	50A–63A
Icn Rating	2500A	3500A	4000A*
Voltage	250VAC	250VAC/80VDC	250VAC/80VDC
IP Rating	N/A	IP20	IP40*

Supplier's note

Three Technical Breakthroughs:
- The 4000A Icn in the Pro Model outperforms industry benchmarks by 60%, enabling safe operation in extreme fault conditions.
- UL certification ensures compliance with stringent North American safety standards.
- Customizable voltage compatibility (250VAC/80VDC) expands applicability to hybrid systems.
Optimal Version Selection:
- Base Model: Ideal for residential or light commercial use (e.g., lighting circuits).
- Advanced Model: Suitable for HVAC systems or small industrial machinery requiring DC compatibility.
- Pro Model: Designed for data centers or heavy machinery where high fault current resistance and IP40 protection are critical.

*Pro Model’s IP40 rating blocks dust ingress, extending lifespan in factories. With its 4000A Icn, you can handle surges 30% higher than standard breakers, safeguarding sensitive equipment.

Frequently asked questions

Which BSB B2 model is best for a 30A circuit in a commercial kitchen?
How do I reset the BSB B2 circuit breaker after tripping?
What’s the advantage of the BSB B2’s magnetic trip over thermal circuit breakers?
Can the BSB B2 be customized for 50Hz systems?
Is the BSB B2 UL-listed for commercial use?
What’s the maximum current the BSB B2 can handle?
Does the BSB B2 have an IP rating for outdoor use?
Which BSB B2 model suits residential 15A circuits?

Product comparison

Category	Usage Scenarios	Characteristics	Advantages	Disadvantages
Residential Circuit Breakers	Home electrical panels, small appliances	Rated Current: 15–20A (▲ meets UL 489 standards), 250VAC	Compact design (▲ 30% smaller than commercial models), cost-effective	Limited to low-power devices (▲ max 20A vs commercial 50A)
Commercial Circuit Breakers	Office buildings, retail stores	Rated Current: 30–50A (▲ 100% over residential), 250VAC	Handles medium loads (▲ 2× residential capacity), UL-listed safety compliance	Higher cost than residential models
Industrial Circuit Breakers	Factories, heavy machinery	Rated Current: 63A+ (▲ 210% over commercial), 600VAC (▲ 20% voltage)	Supports heavy loads (▲ 63A continuous), robust for industrial environments	Requires professional installation, bulkier size
Magnetic Trip Circuit Breakers	Sensitive equipment protection	Magnetic trip mechanism (▲ 0.5s response time), 30–63A	Immediate overcurrent disconnection (▲ faster than thermal-magnetic types)	Less adjustable settings, fixed trip thresholds
UL Certified Circuit Breakers	Safety-critical installations	UL-listed (▲ meets UL 489 standards), 250VAC	Ensures reliability (▲ certified for North American safety norms)	Certification adds cost (▲ 15% higher price vs non-certified models)
High Current Circuit Breakers	High-power systems (e.g., HVAC, motors)	Rated Current: 63A (▲ 210% over 30A models), IEC 60947-2 compliant	Handles heavy-duty loads (▲ 63A continuous), durable construction	Requires robust wiring (▲ needs thicker cables), higher upfront cost