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Home > Products > Circuit Protection > Circuit Breakers > CLB-253-27ENN-W-A/25
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CLB-253-27ENN-W-A/25

In Stock 10505 pcs Reference Price(In US Dollars)
500+
$3.3433
Manufacturer Part Number:
CLB-253-27ENN-W-A/25
Manufacturer / Brand
Carling Technologies
Part of Description:
CIRCUIT BREAKER
Datasheets:
Lead Free Status / RoHS Status:
ROHS3 Compliant
Stock Condition:
New original, 10505 pcs Stock Available.
ECAD Model:
Ship From:
Hong Kong
Shipment Way:
DHL/Fedex/TNT/UPS

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Part Number CLB-253-27ENN-W-A/25
Manufacturer / Brand Carling Technologies
Stock Quantity 10505 pcs Stock
Category Circuit Protection > Circuit Breakers
Description CIRCUIT BREAKER
Lead Free Status / RoHS Status: ROHS3 Compliant
Voltage Rating - DC 32 V
Voltage Rating - AC 250 V
Series CLB
Package Bulk
Number of Poles 1
Mounting Type Panel Mount
Illumination Voltage (Nominal) -
Illumination None
Current Rating (Amps) 25A
Breaker Type Thermal
Approval Agency CE, cUL, TUV, UL1077, UL1500
Actuator Type Push to Reset

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 CLB-253-27ENN-W-A/25 be used for loads with high startup inrush, such as motors, pumps, or transformers?
CLB-253-27ENN-W-A/25 is a thermal breaker, so its trip behavior is influenced by heating over time rather than instantaneous magnetic response. That makes it workable for many general-purpose resistive or moderately inductive loads, but repeated high inrush events can cause nuisance tripping if the startup current and duration are large enough. For CLB-253-27ENN-W-A/25, engineers usually verify the inrush profile against the breaker’s time-current behavior and leave margin for ambient temperature, enclosure heat, and repeated cycling. If the load has very sharp inrush or frequent start/stop duty, a breaker with a different trip profile or coordinated upstream protection may fit better.
What should I check before using CLB-253-27ENN-W-A/25 in a 32 VDC control or battery-powered system?
For CLB-253-27ENN-W-A/25 in DC applications, the main checks are voltage, interrupting conditions, and load type. The 32 VDC rating indicates the breaker is intended for low-voltage DC protection, but DC fault interruption can be more demanding than AC because the arc does not pass through a current zero. That means wiring inductance, battery fault current, and available short-circuit energy matter. For CLB-253-27ENN-W-A/25, confirm the prospective fault current stays within the device’s intended application, and avoid assuming an AC-rated installation can be duplicated on DC without review. If the circuit is battery-fed or highly inductive, coordination with upstream fuse/breaker protection is often part of the design check.
Is CLB-253-27ENN-W-A/25 suitable as a replacement for a fuse in industrial equipment?
CLB-253-27ENN-W-A/25 can replace a fuse in some designs when resettable overcurrent protection is preferred, but the behavior is not identical. A thermal breaker resets after the fault clears and the mechanism cools, while a fuse is one-time and typically offers different clearing speed and let-through energy. For CLB-253-27ENN-W-A/25, the question is whether the circuit benefits more from reset convenience or from the faster fault isolation of a fuse. In equipment with sensitive semiconductors, very high fault current, or strict selective coordination requirements, engineers often compare both options before changing the protection scheme.
How do I know if CLB-253-27ENN-W-A/25 is a good fit for panel-mount replacement on existing equipment?
CLB-253-27ENN-W-A/25 is a panel-mount breaker, so the practical fit depends on the panel cutout, mounting depth, bezel/actuator envelope, and terminal orientation rather than current rating alone. When replacing an existing device, verify the mechanical drawing, retention method, and the wiring access behind the panel. For CLB-253-27ENN-W-A/25, small differences in actuator travel, mounting hardware, or terminal style can affect whether it is a drop-in replacement or requires panel rework. If the original design has limited rear clearance or a keyed front opening, that should be checked before committing to a substitution.
What should I verify before substituting CLB-253-27ENN-W-A/25 with CBW57-PS-25A-5XD or other listed alternatives?
Before substituting CLB-253-27ENN-W-A/25 with CBW57-PS-25A-5XD, CBW57-PS-25A, CBW57-PB-25A-5X, CBW57-ES-25A-5H, or CBW57-ES-25A, compare the mechanical footprint, panel cutout, terminal arrangement, actuator style, and approval set. Even when the ampere rating matches, a different series can change mounting geometry, reset action, and how the breaker integrates into the enclosure. For CLB-253-27ENN-W-A/25 replacements, it is also worth checking whether the substitute has the same thermal behavior and acceptable ambient derating for the target application. A part that looks similar on paper can still require wiring changes or a panel redesign.
Does CLB-253-27ENN-W-A/25 provide circuit isolation, or only overcurrent protection?
CLB-253-27ENN-W-A/25 is an overcurrent protection device, not a dedicated isolator. In a design, that means it should not be treated as the sole means of safe maintenance isolation unless the full system and applicable standards allow that use case. For CLB-253-27ENN-W-A/25, engineers typically pair the breaker with a proper disconnect strategy if technicians need a visible or lockable means of isolation. The breaker is well suited to trip on overloads and faults, but it should be evaluated separately from servicing, lockout/tagout, and maintenance access requirements.
How does ambient temperature affect CLB-253-27ENN-W-A/25 in long-term industrial operation?
Because CLB-253-27ENN-W-A/25 is a thermal breaker, ambient temperature directly affects trip timing. In a warm enclosure, the breaker can trip sooner than expected at a given load current; in a cooler environment, it may carry a little more before tripping. For CLB-253-27ENN-W-A/25, continuous operation near the nominal rating should be validated with the actual enclosure temperature, internal heat sources, and airflow conditions. Long-term industrial use also benefits from periodic checks for contamination, loose terminations, and repeated nuisance-trip history, since those issues can indicate the protection point is too close to the operating envelope.
When should I avoid using CLB-253-27ENN-W-A/25 and choose a different protection device instead?
CLB-253-27ENN-W-A/25 may not be the best choice when the circuit needs very fast short-circuit clearing, very high DC fault interruption capability, or protection coordination with sensitive electronics that require low let-through energy. It is also less ideal if the application needs remote trip, adjustable settings, or a switch-disconnect function. For CLB-253-27ENN-W-A/25, a different breaker family, a fuse, or a coordinated protection architecture may be better when the load has extreme inrush, highly variable current, or strict safety/maintenance isolation requirements. The final choice usually depends on the fault profile and the enclosure design, not only the 25A nameplate rating.

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