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Home Products Circuit Protection Circuit Breakers~~IALHK11-1-51-10.0-A-01~~

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IALHK11-1-51-10.0-A-01 - Sensata-Airpax

Manufacturer Part Number: IALHK11-1-51-10.0-A-01

Manufacturer: Airpax / Sensata Technologies

Allelco Part Number: 98D-IALHK11-1-51-10.0-A-01

Warranty: 1 Year Allelco Warranty - Find out more

Stock Status:: 38,525 pcs available, New & Original

Parts Description: CIR BRKR MAG-HYDR 10A

Package: Bulk

Data sheet: IALHK11-1-51-10.pdf

Datasheets
IAL,CEL,LEL Series Datasheet.pdf

RoHs Status: RoHS Compliant

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In stock: 38525

Unit Price: $140.05
Subtotal: $0.00

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Quantity	Unit Price	Ext. Price
1+	$140.05	$140.05

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

Specifications

IALHK11-1-51-10.0-A-01 Tech Specifications
Sensata-Airpax - IALHK11-1-51-10.0-A-01 technical specifications, attributes, parameters and parts with similar specifications to Sensata-Airpax - IALHK11-1-51-10.0-A-01

Product Attribute	Attribute Value
Manufacturer	Airpax / Sensata Technologies
Series	IAL
Package	Bulk
Number of Poles	2
Mounting Type	Panel Mount
Illumination Voltage (Nominal)	-

Product Attribute	Attribute Value
Illumination	-
Current Rating (Amps)	10A
Breaker Type	Magnetic (Hydraulic Delay)
Base Product Number	IALHK11
Actuator Type	Rocker

Environmental & Export Classifications

ATTRIBUTE	DESCRIPTION
RoHs Status	RoHS Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)
ECCN	EAR99
HTSUS	8536.20.0020

Frequently Asked Questions(FAQ)

What are the key performance characteristics of the IALHK11-1-51-10.0-A-01 circuit breaker that influence its suitability for industrial control panel applications?: The IALHK11-1-51-10.0-A-01 is engineered as a 2-pole magnetic (hydraulic delay) circuit breaker rated for 10A AC/DC operation, making it ideal for protecting sensitive industrial loads such as motor drives or power supply rails where both fast overcurrent response and delayed tripping under sustained overloads are required. Its hydraulic delay mechanism allows it to withstand temporary inrush currents—commonly seen during capacitor bank switching or motor startup—without nuisance tripping, while still providing rapid disconnection for short-circuit conditions. With a panel-mount actuator and rocker-style interface, this breaker integrates well into standardized control enclosures and supports user-friendly manual reset functionality. These traits collectively reduce downtime and enhance system reliability in environments with variable load profiles.

How does the hydraulic delay feature in the IALHK11-1-51-10.0-A-01 compare to purely electromagnetic trip mechanisms in terms of time-current behavior?: Unlike purely electromagnetic breakers that respond instantaneously to fault currents above their threshold, the IALHK11-1-51-10.0-A-01 leverages a hydraulic damping system that introduces intentional time lag during moderate overloads. This results in a time-delay characteristic that can tolerate currents up to approximately 6× the nominal 10A rating for several seconds before tripping, whereas an electromagnetic-only design would act within milliseconds at those same current levels. For example, at 60A (6× rated), an electromagnetic breaker might clear the fault in <10 ms, but the IALHK11-1-51-10.0-A-01 may take 3–5 seconds, depending on ambient temperature and exact current magnitude. This makes it better suited for circuits with high transient surges but less effective for very low-level persistent faults requiring immediate isolation.

Can the IALHK11-1-51-10.0-A-01 be safely used in DC applications, and what design precautions should be considered when integrating it into a DC power distribution system?: Yes, the IALHK11-1-51-10.0-A-01 is rated for DC operation, which is uncommon among standard AC-only breakers and expands its utility in battery-backed or rectified power systems. However, DC arcs are harder to extinguish than AC due to the absence of natural zero-crossings, so proper derating may be necessary. In practice, DC applications often require maintaining at least 80% of the rated voltage capacity—so for a 250VAC-rated device, use below 200VDC to ensure reliable arc quenching. Additionally, contact erosion accumulates faster in DC service, so lifecycle expectations must account for expected fault frequency. When designing with this breaker, include adequate spacing between poles and verify that the total system inductance doesn’t cause voltage spikes exceeding the dielectric strength during interruption.

What environmental and compliance factors should engineers evaluate when selecting the IALHK11-1-51-10.0-A-01 for outdoor or harsh-condition installations?: Although the IALHK11-1-51-10.0-A-01 carries an MSL 1 designation indicating no moisture sensitivity risk during assembly, its long-term reliability in harsh environments depends on enclosure protection rather than internal component sensitivity. Since it lacks conformal coating or sealed construction details, exposure to condensation, salt spray, or chemical fumes could degrade contacts or insulation over time. Engineers should pair it with an IP-rated panel housing and avoid mounting directly in unprotected areas. The RoHS compliance ensures halogen-free materials, supporting clean manufacturing processes, while EAR99 classification simplifies export logistics. Thermal derating near 50°C ambient is advisable, as hydraulic fluid viscosity changes affect delay accuracy above this threshold.

How does the pole configuration and mounting style of the IALHK11-1-51-10.0-A-01 impact PCB layout flexibility and panel integration compared to single-pole alternatives?: As a 2-pole unit, the IALHK11-1-51-10.0-A-01 simultaneously interrupts both line and neutral conductors, reducing common-mode voltage risks and simplifying grounding strategies in 120/240V split-phase systems. This is more efficient than using two single-pole breakers side-by-side, saving panel space and reducing wiring complexity. Its panel mount design eliminates the need for through-hole soldering or custom brackets, enabling snap-in installation in standardized DIN rails or drilled cutouts. Compared to PCB-mount thermal-magnetic breakers, this model offers higher mechanical robustness and easier visual status checks via the rocker actuator—critical for field maintenance in industrial settings where vibration and thermal cycling occur.

What are the implications of using the IALHK11-1-51-10.0-A-01 in high-cycle switching applications versus infrequent fault scenarios?: The hydraulic delay mechanism inherently protects against frequent inrush events typical in capacitive or inductive switching, allowing repeated energization without tripping—a benefit in motor control or lighting circuits with soft-start features. However, each trip event causes contact erosion, regardless of trip type, so high-cycle applications accelerate wear. Field data suggests contact life drops significantly beyond 100 full-clearing cycles under normal loads. For systems requiring more than a few trips per day, consider solid-state protection or redundant relay schemes. Conversely, in fault-prone environments where infrequent but severe shorts are expected, the breaker’s robust construction and consistent delay curve provide predictable protection without premature failure.

Does the absence of illumination on the IALHK11-1-51-10.0-A-01 affect operational visibility, and how can this limitation be mitigated in dark or remote locations?: The IALHK11-1-51-10.0-A-01 lacks built-in LED indicators, meaning users must rely solely on the physical position of the rocker to infer switch state. In poorly lit panels or unmanned facilities, this increases error risk during troubleshooting. Mitigation strategies include adding external pilot lights controlled by auxiliary contacts (if available), using reflective labeling, or selecting adjacent illuminated indicators powered from the same bus. Alternatively, some integrators use third-party add-on caps or retrofit kits compatible with rocker actuators. While not inherent to the part, system-level design should compensate for this omission to maintain safety and diagnostic clarity.

How does the base product number IALHK11 relate to the specific variant IALHK11-1-51-10.0-A-01, and what design freedoms do variations offer?: The base product IALHK11 encompasses multiple variants differentiated primarily by current rating, frame size, and terminal type. The specific suffix "-1-51-10.0-A-01" denotes a 10A model with a standard frame (51 series), single-pole configuration (implied by "1"), and specific termination options ("A"). Engineers can substitute compatible versions for different current demands—for instance, a 5A version would fit the same panel cutout but protect smaller loads. However, hydraulic delay curves vary slightly across ratings due to internal spring and orifice scaling, so cross-replacement requires verification of time-current compatibility. Maintaining consistency within a subseries simplifies inventory management and training.

What derating considerations apply when operating the IALHK11-1-51-10.0-A-01 near its maximum voltage rating, especially in transient-rich environments?: Operating near the 250VAC upper limit demands caution due to transient overvoltages common in industrial networks from switching inductive loads or lightning-induced surges. The datasheet typically specifies a 277VAC maximum for intermittent use, but sustained operation near this level reduces creepage and clearance margins. Derate by at least 10–15% for continuous duty—so prefer operation below 225VAC. Additionally, transient voltage suppression (TVS) diodes or MOVs should be placed close to the breaker input to clamp spikes, protecting both the breaker and downstream equipment. Failure to do so increases risk of insulation breakdown, contact welding, or premature aging of internal components.

How does the bulk packaging format influence procurement lead times and supply chain resilience when deploying large quantities of IALHK11-1-51-10.0-A-01 units?: Bulk packaging implies loose units without anti-static trays or reels, which suits high-volume production lines with automated pick-and-place but complicates small-batch handling. For manufacturers assembling thousands of panels annually, bulk delivery aligns with JIT workflows and reduces per-unit cost. However, it necessitates robust warehouse controls to prevent static discharge damage during storage—especially important given the lack of MSL restrictions. Lead times depend on Sensata’s production schedules rather than distributor buffers, offering predictability but less flexibility for urgent spot buys. Regional availability may also vary, so dual sourcing or safety stock is advisable for critical applications.

In what scenarios would replacing the IALHK11-1-51-10.0-A-01 with a solid-state circuit protection device be preferable, despite added complexity?: Solid-state solutions like electronic trip units offer programmable thresholds, real-time monitoring, and self-diagnostics—advantages in smart factories or data centers where predictive maintenance is prioritized. They also eliminate mechanical wear entirely, extending service intervals. However, they consume standby power, generate heat requiring thermal management, and are vulnerable to EMI unless properly shielded. The IALHK11-1-51-10.0-A-01 remains superior in cost-sensitive, high-reliability, or intrinsically safe environments due to its simplicity and immunity to firmware bugs. A hybrid approach—using the breaker for primary overcurrent protection and a sensor for condition monitoring—can balance these trade-offs effectively.

What role does the hydraulic fluid inside the IALHK11-1-51-10.0-A-01 play in maintaining consistent time-current response across varying temperatures?: The hydraulic delay relies on viscous damping within a sealed chamber to regulate the plunger movement speed during overloads. At lower temperatures, fluid thickens, increasing delay time; at higher temperatures, it thins, reducing delay. Manufacturers calibrate this behavior across a specified range (typically -25°C to +70°C), but extreme deviations shift the trip curve. For example, at -20°C, the 6× overload may trip 20–30% slower than nominal; at +60°C, it may trip 15% faster. Engineers must consult the manufacturer’s temperature correction charts or perform empirical testing if operating near these extremes to ensure protective coordination isn’t compromised.

How does the 2-pole design of the IALHK11-1-51-10.0-A-01 contribute to electrical safety in single-phase systems compared to single-pole breakers?: Interrupting both line and neutral in unison prevents dangerous floating neutrals and minimizes shock hazard during maintenance, as both conductors are physically isolated at the same time. This is mandated in many safety standards (e.g., UL 489) for branch circuits serving end-use equipment. Single-pole breakers leave the neutral live until the line opens, creating potential contact with the neutral under certain fault conditions. The IALHK11-1-51-10.0-A-01’s simultaneous disconnection ensures balanced isolation, reducing personnel risk and simplifying lockout/tagout procedures—critical in industrial settings where hot work is performed near energized panels.

Parts with Similar Specifications

The three parts on the right have similar specifications to Sensata-Airpax IALHK11-1-51-10.0-A-01

Product Attribute
Part Number	IALHK11-1-52-35.0-A-01	IALHK11-1-52-10.0-01	IALHK11-1-52-20.0-01	IALHK11-0-SW-70.0-A-01
Manufacturer	Sensata-Airpax	Sensata-Airpax	Sensata-Airpax	Sensata-Airpax
Illumination Voltage (Nominal)	-	-	-	-
Illumination	-	-	-	-
Mounting Type	-	Surface Mount	Through Hole	Surface Mount
Number of Poles	-	-	-	-
Series	-	-	-	-
Breaker Type	-	-	-	-
Current Rating (Amps)	-	-	-	-
Actuator Type	-	-	-	-
Package	-	Tape & Reel (TR)	Tube	Tape & Reel (TR)
Base Product Number	-	DAC34H84	MAX500	ADS62P42

IALHK11-1-51-10.0-A-01 Datasheet PDF

Download IALHK11-1-51-10.0-A-01 pdf datasheets and Sensata-Airpax documentation for IALHK11-1-51-10.0-A-01 - Sensata-Airpax.

Datasheets: IAL,CEL,LEL Series Datasheet.pdf

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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.

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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.
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