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Home Products Circuit Protection Circuit Breakers~~B21-B0-26-620-11E-K3~~

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B21-B0-26-620-11E-K3 - Carling Technologies

Manufacturer Part Number: B21-B0-26-620-11E-K3

Manufacturer: Carling Technologies

Allelco Part Number: 98D-B21-B0-26-620-11E-K3

Warranty: 1 Year Allelco Warranty - Find out more

Stock Status:: 37,538 pcs available, New & Original

Parts Description: CIRCUIT BREAKER

Package: Bulk

Data sheet: -

RoHs Status: ROHS3 Compliant

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In stock: 37538

Unit Price: $55.39
Subtotal: $0.00

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Quantity	Unit Price	Ext. Price
1+	$55.39	$55.39

The above prices does not include taxes and freight rates, which will be calculated on the order pages.

Specifications

B21-B0-26-620-11E-K3 Tech Specifications
Carling Technologies - B21-B0-26-620-11E-K3 technical specifications, attributes, parameters and parts with similar specifications to Carling Technologies - B21-B0-26-620-11E-K3

Product Attribute	Attribute Value
Manufacturer	Carling Technologies
Voltage Rating - DC	80 V
Voltage Rating - AC	120 V
Series	B
Package	Bulk
Number of Poles	1
Mounting Type	Panel Mount

Product Attribute	Attribute Value
Illumination Voltage (Nominal)	-
Illumination	None
Current Rating (Amps)	20A
Breaker Type	Magnetic (Hydraulic Delay)
Approval Agency	CCC, TUV, UL489
Actuator Type	Rocker

Environmental & Export Classifications

ATTRIBUTE	DESCRIPTION
RoHs Status	ROHS3 Compliant
REACH Status	REACH Unaffected
ECCN	EAR99
HTSUS	8536.20.0020

Frequently Asked Questions(FAQ)

What are the key electrical specifications and environmental certifications for the B21-B0-26-620-11E-K3 circuit breaker from Carling Technologies?: The B21-B0-26-620-11E-K3 is a 20A, single-pole panel-mount circuit breaker designed for magnetic (hydraulic delay) operation. It supports AC voltage ratings up to 120 V and DC up to 80 V. This device complies with major safety standards including CCC, TUV, and UL489, ensuring reliability in industrial and commercial applications where certified overcurrent protection is required.

How does the hydraulic delay mechanism in the B21-B0-26-620-11E-K3 affect inrush current handling compared to purely electromagnetic breakers?: The hydraulic delay feature allows the B21-B0-26-620-11E-K3 to tolerate temporary overloads such as motor startup surges without tripping, which is essential in systems with high inrush currents. Unlike fast-acting electromagnetic breakers, this design provides a time-current curve that permits short-duration overcurrent events while still offering precise protection during sustained faults—ideal for inductive or capacitive loads.

Can the B21-B0-26-620-11E-K3 be used interchangeably with other Carling B-series breakers in a panel requiring 20A AC protection?: While the B21-B0-26-620-11E-K3 shares the same current rating and mounting style with other B-series breakers, differences in voltage ratings, trip characteristics, and agency approvals must be verified. Substituting one for another could compromise system compliance or protective coordination. Always confirm compatibility across all electrical and mechanical parameters before replacement.

What is the recommended installation orientation and clearance for the B21-B0-26-620-11E-K3 when integrating into an industrial control panel?: The B21-B0-26-620-11E-K3 is designed for vertical panel mounting with standardized rocker actuation. Maintain at least 5 mm of clearance around the actuator to prevent accidental activation and ensure proper airflow for thermal dissipation. Mounting torque should not exceed 0.6 N·m to avoid damaging the internal contacts or housing.

In what types of DC applications can the B21-B0-26-620-11E-K3 safely operate given its 80 V DC rating?: The B21-B0-26-620-11E-K3 is suitable for DC loads such as battery-powered systems, telecom power supplies, or solar charge controllers operating below 80 V. However, DC arc interruption is inherently more difficult than AC; thus, proper derating and load characterization are necessary to ensure reliable tripping behavior under fault conditions.

How does the absence of illumination on the B21-B0-26-620-11E-K3 impact visibility in low-light industrial environments?: Since the B21-B0-26-620-11E-K3 has no built-in indicator light, its state (tripped or closed) must be assessed visually through the opaque rocker mechanism. In dark or poorly lit panels, this may require additional external signaling or status indicators to avoid misdiagnosis during maintenance—especially critical in high-reliability systems.

What are the consequences of exceeding the 20 A continuous current rating on the B21-B0-26-620-11E-K3?: Operating above 20 A continuously will generate excessive heat due to resistive losses across the contacts, leading to premature degradation, increased contact resistance, and potential failure to trip reliably. Even brief excursions beyond this threshold may reduce service life significantly depending on ambient temperature and cooling conditions.

Are there any known limitations when using the B21-B0-26-620-11E-K3 near electromagnetic interference sources such as variable frequency drives?: While the B21-B0-26-620-11E-K3 contains shielding to minimize false trips, prolonged exposure to strong EMI fields near VFDs or large relays may affect the hydraulic damping mechanism or cause erratic operation. Physical separation or conductive gaskets between components can mitigate these risks in sensitive installations.

Parts with Similar Specifications

The three parts on the right have similar specifications to Carling Technologies B21-B0-26-620-11E-K3

Product Attribute
Part Number	B21-B0-26-625-11E-K3	B21-B0-26-630-11E-K3	B21-B0-26-620-11A-K3	B21-B0-24-620-11E-K3
Manufacturer	Carling Technologies	Carling Technologies	Carling Technologies	Carling Technologies
Illumination	-	-	-	-
Breaker Type	-	-	-	-
Mounting Type	-	Surface Mount	Through Hole	Surface Mount
Number of Poles	-	-	-	-
Illumination Voltage (Nominal)	-	-	-	-
Voltage Rating - AC	-	-	-	-
Approval Agency	-	-	-	-
Package	-	Tape & Reel (TR)	Tube	Tape & Reel (TR)
Current Rating (Amps)	-	-	-	-
Series	-	-	-	-
Actuator Type	-	-	-	-
Voltage Rating - DC	-	-	-	-

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Shipment

Delivery Time

In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

Delivery Cost

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Use our account for the shipment. Refer to the table below for the approximate charges.

(Different time frame / countries / package size has different price.)

Delivery Method

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Others more shipping ways, please get in touch with your customer manager.

Common Countries Logistic Time Reference
Region	Country	Logistic Time(Day)
America	United States	5
America	Brazil	7
Europe	Germany	5
	United Kingdom	4
	Italy	5
Oceania	Australia	6
Oceania	New Zealand	5
Asia	India	4
Asia	Japan	4
Middle East	Israel	6

DHL & FedEx Shipment Charges Reference
Shipment charges(KG)	Reference DHL(USD$)
0.00kg-1.00kg	USD$30.00 - USD$60.00
1.00kg-2.00kg	USD$40.00 - USD$80.00
2.00kg-3.00kg	USD$50.00 - USD$100.00

Note:: The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.

QC (Quality Warranty)
Payment Support
Packaging
Certifications & Memberships

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Allelco is committed to exceeding customer expectations through customer service excellence, order accuracy, and on-time delivery.
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We eliminate defective components and ensure the stable operation of electronic devices through professional quality standards.

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Phone: +00852 9146 4856
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Packaging

Electrostatic Discharge Protection and Handling

All electrostatic-sensitive components are handled in accordance with electrostatic discharge control procedures. The products are hermetically sealed in anti-static safe packaging to prevent electrostatic damage. Appropriate labeling is also applied for identification and traceability. This ensures product integrity during storage, handling and transportation.

ESD

Certifications & Memberships

Third-party certified, strict quality control. Our certification

ISO 9001: 2015
ISO 13485: 2016
ISO 14001: 2015
ISO 28000: 2007
ISO 45001: 2018
GB/T 27922-2011

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IPC
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