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Home > Products > Circuit Protection > Circuit Breakers > BB2-B0-20-630-221-D
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BB2-B0-20-630-221-D

In Stock 318 pcs Reference Price(In US Dollars)
1+
$96.9579
Manufacturer Part Number:
BB2-B0-20-630-221-D
Manufacturer / Brand
Carling Technologies
Part of Description:
CIRCUIT BREAKER
Datasheets:
BB2-B0-20-630-221-D.pdf
Lead Free Status / RoHS Status:
ROHS3 Compliant
Stock Condition:
New original, 318 pcs Stock Available.
ECAD Model:
Ship From:
Hong Kong
Shipment Way:
DHL/Fedex/TNT/UPS

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Part Number BB2-B0-20-630-221-D
Manufacturer / Brand Carling Technologies
Stock Quantity 318 pcs Stock
Category Circuit Protection > Circuit Breakers
Description CIRCUIT BREAKER
Lead Free Status / RoHS Status: ROHS3 Compliant
Voltage Rating - DC 80 V
Voltage Rating - AC 250 V
Series B
Package Bulk
Number of Poles 2
Mounting Type Panel Mount
Illumination Voltage (Nominal) -
Illumination None
Current Rating (Amps) 30A
Breaker Type Magnetic (Hydraulic Delay)
Approval Agency CCC, CSA, UL, VDE
Actuator Type Lever

Packaging & ESD

Industry-standard static shielding packaging is used for electronic components.Anti-static, light-transparent materials allow easy identification of ICs and PCB assemblies.
The packaging structure provides electrostatic protection based on Faraday cage principles.This helps protect sensitive components from static discharge during handling and transportation.


All products are packed in ESD-safe anti-static packaging. Outer packaging labels include part number, brand, and quantity for clear identification. Goods are inspected prior to shipment to ensure proper condition and authenticity.

ESD protection is maintained throughout packing, handling, and global transportation. Secure packaging provides reliable sealing and resistance during transit. Additional cushioning materials are applied when required to protect sensitive components.

QC(Part Testing by IC Components)Quality Warranty

We can offer worldwide express delivery service, such as DHLor FedEx or TNT or UPS or other forwarder for shipment.

Global Shipment by DHL/FedEx/TNT/UPS

Shipping Fees reference DHL/FedEx
1). You can offer your express delivery account for shipment, ifyou haven’t any express account for shipment, we can offer our account inadvance.
2). Use our account for shipment, Shipment charges(Reference DHL/FedEx, Different Countries has different price.)
Shipment charges： (Reference DHL and FedEX)
Weight(KG): 0.00kg-1.00kg Price(USD$) : USD$60.00
Weight(KG): 1.00kg-2.00kg Price(USD$) : USD$80.00
* The price of cost is reference with DHL/FedEx. The detail charges, please contact us. Different country the express charges are different.



We accept the payment terms: Telegraphic Transfer(T/T), Credit Card, PayPal and Western Union.

PayPal:

PayPal Bank Information:
Company Name : IC COMPONENTS LTD
Paypal ID: Info@IC-Components.com

BANK TRANSFAR (Telegraphic Transfer)

Payment For Telegraphic Transfers:
Company Name : IC COMPONENTS LTD Beneficiary Account Number : 549-100669-701
Beneficiary Bank name : Bank of Communications (Hong Kong) Ltd Beneficiary Bank Code : 382 (for local payment)
Beneficiary Bank SWIFT : COMMHKHK
Beneficiary Bank Address : Tsuen Wan Market Street Branch 53 Market Street, Tsuen Wan N.T., Hong Kong

Any inquires or questions, please kindly contact us Email: Info@IC-Components.com


Frequently Asked Questions

Can BB2-B0-20-630-221-D be used on a DC supply near 80 V, and what should I verify before using it in a design?
BB2-B0-20-630-221-D is rated for up to 80 V DC, so it can be applied in low-voltage DC equipment within that limit. Before releasing the design, verify the actual operating voltage under all conditions, including charging, regeneration, or transient overshoot, and confirm the wiring method follows the manufacturer’s DC installation guidance. If the circuit has high fault current or energy storage, check that the breaker’s DC interruption capability and system coordination are acceptable for BB2-B0-20-630-221-D.
Is BB2-B0-20-630-221-D a good choice for loads with high inrush, such as motors, transformers, or switch-mode power supplies?
BB2-B0-20-630-221-D uses a magnetic hydraulic delay mechanism, which is generally better suited to brief inrush currents than a purely thermal device. That makes it a practical option for loads with startup surges, but the actual suitability still depends on the inrush magnitude, duration, ambient temperature, and the breaker’s trip characteristic. If the load has repeated start-stop cycles or long inrush events, BB2-B0-20-630-221-D should be checked against the measured current profile rather than only the 30 A nameplate rating.
Can I replace a fuse or a thermal breaker with BB2-B0-20-630-221-D without changing the rest of the circuit?
BB2-B0-20-630-221-D can replace a fuse or another breaker only if the panel cutout, mounting style, pole count, terminal arrangement, and operating voltage all match the existing design. The resettable behavior and hydraulic delay will not mirror a fuse’s time-current response, so nuisance-tripping and protection coordination can change after the swap. When migrating to BB2-B0-20-630-221-D, also confirm that the upstream protection and conductor sizing remain coordinated with the new trip behavior.
Can BB2-B0-20-630-221-D be used as the main disconnect or service switch in equipment?
BB2-B0-20-630-221-D can function as a manual switching and overcurrent-protection device if the installation standard allows that role and the load is within its electrical ratings. For service isolation, the equipment standard, local code, and the breaker’s switching suitability all need to be checked separately. If the available fault current is high, also verify the short-circuit withstand and interruption requirements for BB2-B0-20-630-221-D, since those values are part of safe disconnect application design.
What should I check when looking for a replacement part or alternative to BB2-B0-20-630-221-D?
A replacement for BB2-B0-20-630-221-D should match more than just the 30 A rating. Check the same pole count, panel-mount format, actuator style, voltage rating, trip characteristic, and any approval requirements such as UL, CSA, VDE, or CCC if your product needs them. If you are comparing BB2-B0-20-630-221-D with another Carling Technologies B-series option or a competing breaker from Eaton, Bussmann, or another brand, differences in hydraulic delay, footprint, terminal style, and reset feel can affect both fit and inrush tolerance.
How does BB2-B0-20-630-221-D behave in hot enclosures or equipment that runs close to 30 A continuously?
BB2-B0-20-630-221-D will be influenced by ambient temperature and enclosure heat, which can shift the effective trip behavior of a hydraulic delay breaker. In a tightly packed panel or high-temperature industrial cabinet, the breaker may trip earlier than it would in free air. For continuous operation near 30 A, check conductor temperature rise, terminal ratings, and any derating guidance published for BB2-B0-20-630-221-D before finalizing the thermal design.
Can BB2-B0-20-630-221-D protect both poles of a 230/240 VAC circuit, and are there any wiring caveats?
BB2-B0-20-630-221-D is a two-pole breaker, so it can be applied where two conductors need to be interrupted together in a 230/240 VAC or similar two-line circuit. The wiring still needs to follow the system’s grounding and neutral scheme, and the installation should confirm whether the application requires simultaneous opening of both poles. For BB2-B0-20-630-221-D, do not assume the pole arrangement is acceptable for every regional wiring practice without checking the equipment standard.
If I need panel indication or status feedback, does BB2-B0-20-630-221-D provide that?
BB2-B0-20-630-221-D has no illumination, so it does not provide built-in visual indication of breaker state. If the panel needs status feedback, add an external indicator or select a different breaker variant with illumination or auxiliary signaling features. In designs where operator visibility matters, BB2-B0-20-630-221-D is typically paired with separate panel indicators rather than relying on the actuator alone.

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