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HomeProductsCircuit ProtectionCircuit BreakersIEG111-1-72-30.0-Q-91-V
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IEG111-1-72-30.0-Q-91-V - Sensata-Airpax

Manufacturer Part Number
IEG111-1-72-30.0-Q-91-V
Manufacturer
Airpax / Sensata Technologies
Allelco Part Number
98D-IEG111-1-72-30.0-Q-91-V
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
49,480 pcs available, New & Original
Parts Description
CIR BRKR MAG-HYDR
Package
Bulk
Data sheet
IEG111-1-72-30..pdf
RoHs Status
RoHS Compliant
Our certification
In stock: 49480
  • Unit Price: $155.20
  • Subtotal: $0.00

Want a better price?
Add to Cart and Submit RFQ now, we'll contact you immediately.

Quantity Unit Price Ext. Price
1+ $155.20 $155.20
The above prices does not include taxes and freight rates, which will be calculated on the order pages.

Specifications

IEG111-1-72-30.0-Q-91-V Tech Specifications
Sensata-Airpax - IEG111-1-72-30.0-Q-91-V technical specifications, attributes, parameters and parts with similar specifications to Sensata-Airpax - IEG111-1-72-30.0-Q-91-V

Product Attribute Attribute Value
Manufacturer Airpax / Sensata Technologies
Voltage Rating - DC 80 V
Voltage Rating - AC 250 V
Series IEG
Package Bulk
Number of Poles 3
Mounting Type Panel Mount
Product Attribute Attribute Value
Illumination Voltage (Nominal) -
Illumination None
Current Rating (Amps) 30A
Breaker Type Magnetic (Hydraulic Delay)
Base Product Number IEG111
Approval Agency CSA, TUV, UL1077
Actuator Type Lever

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)

How does the hydraulic delay mechanism in the IEG111-1-72-30.0-Q-91-V circuit breaker affect tripping behavior under sustained overload versus instantaneous fault conditions?
The hydraulic delay system within the IEG111-1-72-30.0-Q-91-V uses a viscous fluid to create a time-current characteristic that allows moderate overloads to pass without immediate interruption, while still responding quickly to full short-circuit faults. This design supports equipment protection by avoiding nuisance trips during inrush events while maintaining precise fault isolation at currents significantly above the 30A rating.
What are the thermal and mechanical considerations when installing the IEG111-1-72-30.0-Q-91-V in a high ambient temperature environment exceeding 40°C?
Elevated ambient temperatures reduce the thermal capacity of the hydraulic delay medium, potentially accelerating tripping for a given overload current. Engineers should verify that the actual operating temperature range remains within the component’s specified limits and consider derating or enhanced ventilation if continuous loads approach 80% of the 30A rating under such conditions.
In what scenarios would using a three-pole version like the IEG111-1-72-30.0-Q-91-V be preferable over single or dual-pole magnetic-hydraulic breakers?
A three-pole configuration such as the IEG111-1-72-30.0-Q-91-V is appropriate when protecting balanced three-phase systems where simultaneous disconnection of all phases is required for safety or control consistency. This ensures coordinated shutdown during ground faults or phase imbalances and aligns with industrial motor control standards requiring uniform switching across all conductors.
How does the panel-mounted lever actuator design influence service access and maintenance procedures involving the IEG111-1-72-30.0-Q-91-V?
The lever actuator provides an intuitive visual indication of breaker status—up for closed, down for open—which simplifies field diagnostics and reduces misoperation risks. Its robust mechanical linkage ensures reliable operation through repeated cycling, making it suitable for applications with frequent manual interventions or remote signaling requirements.
Can the IEG111-1-72-30.0-Q-91-V be used interchangeably with substitute models like IELHK111-1-72-30.0-01-V in existing panel layouts without modification?
While the IEG111-1-72-30.0-Q-91-V and its substitutes share core electrical ratings and mounting dimensions, differences in terminal orientation, arc suppression features, or internal calibration may affect performance in tightly integrated systems. Substitution should include verification of coordination with upstream protection devices and confirmation of compliance with local certification requirements.
What impact do variations in contact material and arc chute design have on the lifespan and interrupting reliability of the IEG111-1-72-30.0-Q-91-V?
The arc chute in the IEG111-1-72-30.0-Q-91-V suppresses high-energy discharges by dividing and cooling the arc plasma, which extends contact life during frequent fault interruptions. Combined with silver alloy contacts, this contributes to consistent performance across tens of thousands of operations, though extreme fault frequencies may necessitate periodic inspection or replacement.
How should the IEG111-1-72-30.0-Q-91-V be coordinated with downstream fuses or other protective elements in a power distribution chain?
Proper coordination requires that the IEG111-1-72-30.0-Q-91-V’s time-delay curve allows it to withstand temporary overcurrents from downstream devices without tripping prematurely, while still clearing more severe faults faster than the protected load can tolerate damage. This selectivity is achieved by ensuring the breaker’s trip threshold and response time are appropriately set relative to the fuse’s melting integral.
Are there any limitations regarding vibration exposure when deploying the IEG111-1-72-30.0-Q-91-V in transportation or industrial mobile equipment environments?
The IEG111-1-72-30.0-Q-91-V is designed for stationary panel mounting and includes damping elements within the hydraulic system to mitigate minor vibrations. However, prolonged exposure to high-frequency or resonant vibrations may compromise seal integrity or displace internal components, so environmental qualification per MIL-STD or ISO standards is recommended for mission-critical mobile installations.
How does the absence of illumination affect operational visibility of the IEG111-1-72-30.0-Q-91-V in low-light industrial settings?
Without integrated lighting, operators must rely solely on the physical position of the lever to determine state, which demands adequate ambient lighting. In dark or obstructed panels, this increases error potential; therefore, additional external indicators or task lighting should be considered to maintain safe and efficient system monitoring.
What role does the TUV and UL1077 approval play in qualifying the IEG111-1-72-30.0-Q-91-V for use in international industrial control systems?
These certifications confirm that the IEG111-1-72-30.0-Q-91-V meets rigorous safety and performance criteria beyond basic functionality, including dielectric strength, fire hazard prevention, and mechanical endurance. Their acceptance by recognized test laboratories facilitates global market entry and satisfies regulatory requirements in North America and Europe without need for duplicate evaluations.
How does the 250 V AC and 80 V DC voltage rating influence application scope compared to universal AC/DC rated breakers?
The IEG111-1-72-30.0-Q-91-V’s asymmetric ratings mean it is optimized for typical AC mains (e.g., 230/240 V) rather than broad DC networks. For mixed-source systems requiring DC compatibility up to 125 V or higher, alternative models with symmetric voltage capability should be evaluated to avoid reduced arcing performance or contact erosion under DC fault conditions.
What factors determine whether the IEG111-1-72-30.0-Q-91-V is suitable for use in hazardous locations classified under NEC Article 500?
Although the component carries standard approvals, deployment in Class I Div 2 or Zone 2 areas requires additional enclosure certification and proof that sparking cannot propagate externally. Users must consult Sensata-Airpax documentation to confirm suitability or select intrinsically safe alternatives meeting specific ignition hazard criteria.

Parts with Similar Specifications

The three parts on the right have similar specifications to Sensata-Airpax IEG111-1-72-30.0-Q-91-V

Product Attribute IEG111-1-62F-20.0-A-01-V IEG111-1REC4-62-30.0-01-V IEG111-1-63F-30.0-91-V IEG111-1-62-20.0-91-V
Part Number IEG111-1-62F-20.0-A-01-V IEG111-1REC4-62-30.0-01-V IEG111-1-63F-30.0-91-V IEG111-1-62-20.0-91-V
Manufacturer Sensata-Airpax Sensata-Airpax Sensata-Airpax Sensata-Airpax
Base Product Number - DAC34H84 MAX500 ADS62P42
Breaker Type - - - -
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Voltage Rating - DC - - - -
Illumination - - - -
Number of Poles - - - -
Current Rating (Amps) - - - -
Illumination Voltage (Nominal) - - - -
Mounting Type - Surface Mount Through Hole Surface Mount
Voltage Rating - AC - - - -
Series - - - -
Approval Agency - - - -
Actuator Type - - - -

IEG111-1-72-30.0-Q-91-V Datasheet PDF

Download IEG111-1-72-30.0-Q-91-V pdf datasheets and Sensata-Airpax documentation for IEG111-1-72-30.0-Q-91-V - Sensata-Airpax.

Datasheets
IAG,IUG,IEG,CEG,LEG Series Datasheet.pdf

Customer Reviews

Evaluation: 10 Articles

  • ECUb***h
    Sep 22, 2026

    Used for repair of an older automotive ECU. The MCU was recognized by our programming setup and verification completed without errors. The repaired board now starts and communicates normally.

  • RS48***ieldTech
    Sep 16, 2026

    Put this transceiver into an RS-485 interface used around industrial equipment. Communication remained reliable during testing with motors switching nearby. Good result for the replacement board.

  • Logi***b_Chris
    Sep 8, 2026

    Purchased for a Cyclone III development project. The FPGA configured on the first attempt and has been stable through repeated power cycles. No problems with the I/O we are using.

  • Circ***FixerTom
    Sep 2, 2026

    Used this rectifier in a high-current power supply repair. Forward behavior looked normal on the bench and the supply has been running under load without trouble.

  • Retr***UWorks
    Aug 31, 2026

    Needed the exact ST10F269Z2Q6 for servicing an older control unit. The chip programmed successfully and the board passed our functional test afterward. Much easier than redesigning around a newer MCU.

  • Andr***PCBLab
    Aug 28, 2026

    I needed this ADC for an older data acquisition board. Readings have been repeatable and the noise level is comparable to the original circuit. Happy with the purchase.

  • Leat***O'Keefe
    Aug 20, 2026

    one of my hobbies is skydiving. and when i'm skydiving this works great.

  • Ilen***
    Aug 20, 2026

    This product works considerably well. It secretly improves my basketball by a lot.

  • Indu***ialPower
    Aug 17, 2026

    Installed this IGBT module in a power conversion cabinet. Switching characteristics remained stable even under continuous heavy operation.

  • Nikh***ech
    Aug 13, 2026

    Great low-power MCU for portable equipment. Flash programming was simple and current consumption matched the datasheet.

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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

  1. Use your express account for shipment if you have one.
  2. 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

  1. Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
  2. 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
Brazil 7
Europe Germany 5
United Kingdom 4
Italy 5
Oceania Australia 6
New Zealand 5
Asia India 4
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

QC (Quality Warranty)

Allelco is committed to exceeding customer expectations through customer service excellence, order accuracy, and on-time delivery.
This is achieved through our commitment to the continual improvement of our processes, services, and products.


Strict quality inspection builds a solid foundation for electronic component quality.
  1. Visual inspection
  2. Performance testing and reliability verification
  3. Standardized full-process testing
  4. Precise control of every parameter
We eliminate defective components and ensure the stable operation of electronic devices through professional quality standards.

Payment Support

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  • Western-Union
  • VISA
Stable Delivery, Sincere Partnership — Your Faithful Supply Chain Partner
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  • Fast Sourcing & Delivery
Contact us if you have any questions.

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
  • SMTA
  • IPC
  • ESD
  • PSMA
Sensata-Airpax

IEG111-1-72-30.0-Q-91-V

Sensata-Airpax
98D-IEG111-1-72-30.0-Q-91-V

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