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Home > Products > Circuit Protection > Circuit Breakers > 3120-F524-H7T1-W14DR3-X3120-U0001M-15A
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3120-F524-H7T1-W14DR3-X3120-U0001M-15A

Manufacturer Part Number:
3120-F524-H7T1-W14DR3-X3120-U0001M-15A
Manufacturer / Brand
E-T-A
Part of Description:
CIRC BRKR THRM
Datasheets:
3120-F524-H7T1-W14DR3-X3120-U0001M-15A(1).pdf3120-F524-H7T1-W14DR3-X3120-U0001M-15A(2).pdf
Lead Free Status / RoHS Status:
ROHS3 Compliant
Stock Condition:
New original, 41722 pcs Stock Available.
ECAD Model:
Ship From:
Hong Kong
Shipment Way:
DHL/Fedex/TNT/UPS

Inquiry Online

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Part Number 3120-F524-H7T1-W14DR3-X3120-U0001M-15A
Manufacturer / Brand E-T-A
Stock Quantity 41722 pcs Stock
Category Circuit Protection > Circuit Breakers
Description CIRC BRKR THRM
Lead Free Status / RoHS Status: ROHS3 Compliant
Voltage Rating - DC 50 V
Voltage Rating - AC 250 V
Series 3120-F
Package Bulk
Number of Poles 2
Mounting Type Panel Mount
Illumination Voltage (Nominal) 115V
Illumination Red
Current Rating (Amps) 15A
Breaker Type Thermal
Approval Agency CSA C22.2 No 235, GB 17701, IEC 60934, UL1077
Actuator Type Rocker

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: PayPal@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

What panel cut-out dimensions and mounting constraints should engineers consider when integrating the E-T-A 3120-F524-H7T1-W14DR3-X3120-U0001M-15A into equipment panels?
The E-T-A 3120-F524-H7T1-W14DR3-X3120-U0001M-15A uses a snap-in frame for panel mounting with a standard cut-out of 44.5 x 22 mm suited for panel thicknesses typically between 1-4 mm. The H7 terminal configuration includes blade terminals on load sides and screw terminals (M3.5 flat head) on line sides, requiring clearance for wiring tools and secure screw termination during assembly.
How does the thermal trip characteristic of the E-T-A 3120-F524-H7T1-W14DR3-X3120-U0001M-15A behave under motor inrush currents or transformer energization?
The 3120-F series with T1 curve in the E-T-A 3120-F524-H7T1-W14DR3-X3120-U0001M-15A relies on a bimetal element that provides delayed response calibrated around 1.01-1.4 x rated current. This allows passage of moderate inrush currents typical in motors or transformers before tripping, while still protecting against sustained overloads.
Can the E-T-A 3120-F524-H7T1-W14DR3-X3120-U0001M-15A be used in DC applications exceeding 50 V, and what are the practical voltage boundaries?
The E-T-A 3120-F524-H7T1-W14DR3-X3120-U0001M-15A is rated for 50 V DC. Operation above this level reduces interrupting capacity and may affect arc extinction behavior on the thermal mechanism, particularly under fault conditions in higher voltage DC circuits.
What are the key differences when considering migration from the E-T-A 3120-F524-H7T1-W14DR3-X3120-U0001M-15A to the newer 3120-N series equivalent?
The 3120-N series serves as the direct successor to the 3120-F family, including models like the E-T-A 3120-F524-H7T1-W14DR3-X3120-U0001M-15A. It maintains similar electrical ratings, snap-in mounting, and thermal protection but features enhanced clamping arms for improved panel retention, a redesigned rocker actuator for easier operation, and minor aesthetic updates while preserving drop-in compatibility for most existing layouts.
How does ambient temperature variation impact the trip performance of the E-T-A 3120-F524-H7T1-W14DR3-X3120-U0001M-15A in industrial control cabinets?
The thermal bimetal mechanism in the E-T-A 3120-F524-H7T1-W14DR3-X3120-U0001M-15A responds to heat generated by current flow combined with ambient conditions. Higher cabinet temperatures accelerate bimetal deflection, causing the device to trip at lower current levels than nominal 15 A, while lower temperatures delay tripping.
Is the E-T-A 3120-F524-H7T1-W14DR3-X3120-U0001M-15A suitable for applications with frequent switching cycles, such as test equipment or intermittent loads?
The E-T-A 3120-F524-H7T1-W14DR3-X3120-U0001M-15A, as a 2-pole thermal model rated 15 A, supports operational life in the range of 30,000 to 50,000 cycles depending on load type and voltage (AC or DC). Inductive or higher current switching reduces the number of reliable operations compared to resistive loads at lower currents.
What terminal configuration considerations arise when replacing legacy blade-terminal breakers with the E-T-A 3120-F524-H7T1-W14DR3-X3120-U0001M-15A that uses H7 terminals?
The H7 configuration on the E-T-A 3120-F524-H7T1-W14DR3-X3120-U0001M-15A provides blade terminals (2.8 x 0.8 mm) on certain poles combined with M3.5 screw terminals on line sides (11 and 21). This hybrid setup allows mixed wiring methods but requires verification of existing harness compatibility and adequate access for screwdriver termination during replacement or field service.
How does the red illumination on the E-T-A 3120-F524-H7T1-W14DR3-X3120-U0001M-15A behave in relation to the breaker state and supply voltage?
The red illumination on the E-T-A 3120-F524-H7T1-W14DR3-X3120-U0001M-15A operates at nominal 115 V and is typically tied to the input side, remaining active when power is present regardless of the rocker position. Designers should account for the separate illumination circuit in power budgeting and ensure voltage matches the specified range to avoid dimming or overstress.
What vibration and shock limits should be verified when specifying the E-T-A 3120-F524-H7T1-W14DR3-X3120-U0001M-15A for machine tool or mobile equipment applications?
The E-T-A 3120-F524-H7T1-W14DR3-X3120-U0001M-15A withstands vibration testing at 8 g (57-500 Hz) and shock of 30 g (11 ms) per relevant IEC standards. In high-vibration environments, proper panel mounting and avoidance of resonance frequencies help maintain contact integrity and consistent thermal performance over time.
When evaluating the E-T-A 3120-F524-H7T1-W14DR3-X3120-U0001M-15A against magnetic or thermal-magnetic alternatives for short-circuit heavy applications, what trade-offs apply?
The purely thermal mechanism in the E-T-A 3120-F524-H7T1-W14DR3-X3120-U0001M-15A provides time-delayed response suited to overload protection of cables, transformers, and motors but exhibits slower reaction to high-magnitude short circuits compared to devices with magnetic trip elements, which deliver near-instantaneous clearing. Interrupting capacity remains defined at 150 A (1-pole) or 250 A (2-pole) for currents above 2.5 A.

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