Please refer to the English Version as our Official Version.

Europe: France~~(Français)~~ Germany~~(Deutsch)~~ Italy~~(Italia)~~ Russian~~(русский)~~ Poland~~(polski)~~ Czech~~(Čeština)~~ Luxembourg~~(Lëtzebuergesch)~~ Netherlands~~(Nederland)~~ Iceland~~(íslenska)~~ Hungarian~~(Magyarország)~~ Spain~~(español)~~ Portugal~~(Português)~~ Turkey~~(Türk dili)~~ Bulgaria~~(Български език)~~ Ukraine~~(Україна)~~ Greece~~(Ελλάδα)~~ Israel~~(עִבְרִית)~~ Sweden~~(Svenska)~~ Finland~~(Svenska)~~ Finland~~(Suomi)~~ Romania~~(românesc)~~ Moldova~~(românesc)~~ Slovakia~~(Slovenská)~~ Denmark~~(Dansk)~~ Slovenia~~(Slovenija)~~ Slovenia~~(Hrvatska)~~ Croatia~~(Hrvatska)~~ Serbia~~(Hrvatska)~~ Montenegro~~(Hrvatska)~~ Bosnia and Herzegovina~~(Hrvatska)~~ Lithuania~~(lietuvių)~~ Spain~~(Português)~~ Switzerland~~(Deutsch)~~ United Kingdom~~(English)~~

Asia/Pacific: Japan~~(日本語)~~ Korea~~(한국의)~~ Thailand~~(ภาษาไทย)~~ Malaysia~~(Melayu)~~ Singapore~~(Melayu)~~ Vietnam~~(Tiếng Việt)~~ Philippines~~(Pilipino)~~

Africa, India and Middle East: United Arab Emirates~~(العربية)~~ Iran~~(فارسی)~~ Tajikistan~~(فارسی)~~ India~~(हिंदी)~~ Madagascar~~(malaɡasʲ)~~

South America / Oceania: New Zealand~~(Maori)~~ Brazil~~(Português)~~ Angola~~(Português)~~ Mozambique~~(Português)~~

North America: United States~~(English)~~ Canada~~(English)~~ Haiti~~(Ayiti)~~ Mexico~~(español)~~

Home Products Circuit Protection Circuit Breakers~~MA2-B-34-625-1-A13-7-C~~

Image may be representation.
See specifications for product details.

~~Favorite~~

EXPRESS OPTION

Payment method

MA2-B-34-625-1-A13-7-C - Carling Technologies

Name: Carling Technologies MA2-B-34-625-1-A13-7-C
Brand: Carling Technologies
SKU: MA2-B-34-625-1-A13-7-C
Price: 48.53 USD
Availability: InStock
Rating: 5 (3 reviews)

Manufacturer Part Number: MA2-B-34-625-1-A13-7-C

Manufacturer: Carling Technologies

Allelco Part Number: 98D-MA2-B-34-625-1-A13-7-C

Warranty: 1 Year Allelco Warranty - Find out more

Stock Status:: 45,082 pcs available, New & Original

Parts Description: CIRCUIT BREAKER

Package: Bulk

Data sheet: -

RoHs Status: ROHS3 Compliant

~~Compare~~

Our certification

In stock: 45082

Unit Price: $48.53
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+	$48.53	$48.53

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

Specifications

MA2-B-34-625-1-A13-7-C Tech Specifications
Carling Technologies - MA2-B-34-625-1-A13-7-C technical specifications, attributes, parameters and parts with similar specifications to Carling Technologies - MA2-B-34-625-1-A13-7-C

Product Attribute	Attribute Value
Manufacturer	Carling Technologies
Voltage Rating - DC	80 V
Voltage Rating - AC	250 V
Series	M
Package	Bulk
Number of Poles	2
Mounting Type	Panel Mount

Product Attribute	Attribute Value
Illumination Voltage (Nominal)	-
Illumination	None
Current Rating (Amps)	25A
Breaker Type	Magnetic (Hydraulic Delay)
Approval Agency	CCC, CSA, UL1077
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)

How does the MA2-B-34-625-1-A13-7-C circuit breaker perform under sustained overcurrent conditions compared to standard fuses in a 25A panel mount application?: The MA2-B-34-625-1-A13-7-C utilizes a magnetic-hydraulic delay mechanism that allows for moderate overload tolerance, enabling it to handle brief inrush currents typical of capacitive loads without nuisance tripping. Under sustained overcurrents significantly above 25A—such as 100A—it interrupts within milliseconds, offering faster protection than many slow-blow fuses rated for similar current levels. However, its thermal response is slower than pure magnetic devices, which may result in higher peak fault currents during short-circuit events. For designs requiring precise coordination with downstream protection elements, this delay characteristic must be modeled in system-level simulations.

What are the key differences between the MA2-B-34-625-1-A13-7-C and other Carling M-series breakers regarding pole configuration and actuator compatibility when integrating into existing panel layouts?: The MA2-B-34-625-1-A13-7-C features a two-pole design, providing simultaneous switching of both live conductors, which enhances safety by ensuring complete isolation from both AC phases or DC rails. In contrast, single-pole variants in the same series only interrupt one conductor, requiring careful coordination with neutral paths in unbalanced systems. Additionally, its rocker actuator shares mechanical footprint and mounting bracket compatibility with other panel-mount M-series units, allowing drop-in replacement in standardized enclosures. This consistency reduces redesign effort but limits flexibility for applications where space constraints demand compact single-unit solutions.

Is the MA2-B-34-625-1-A13-7-C suitable for use in environments with high ambient temperatures, such as industrial motor control centers operating at 50°C continuous?: Yes, the MA2-B-34-625-1-A13-7-C is rated for extended operation up to 60°C, making it appropriate for most industrial environments including those near heat-generating equipment like motors or power supplies. However, derating applies: at 50°C, the effective current carrying capacity may decrease by approximately 5–8% due to reduced contact resistance stability and coil performance degradation. Engineers should verify that load profiles do not approach the adjusted trip threshold during prolonged high-temperature operation to avoid premature nuisance tripping or insufficient overload protection.

How does the hydraulic delay mechanism in the MA2-B-34-625-1-A13-7-C affect time-current characteristics when compared to purely electromagnetic breakers in surge-prone applications?: Unlike purely electromagnetic circuit breakers that respond instantaneously to overcurrents above their rating, the MA2-B-34-625-1-A13-7-C employs a hydraulic damping system that introduces intentional delay. This allows brief surges—such as those from motor startups (typically 5–7× rated current for 100–300 ms)—to pass without interruption. As a result, it provides better immunity to transient disturbances common in industrial settings. However, this delay also means that very fast faults exceeding 100A may persist slightly longer than in instantaneous-only devices, necessitating evaluation of arc energy exposure in fault scenarios.

What certification and compliance considerations should engineers evaluate when selecting the MA2-B-34-625-1-A13-7-C for safety-critical automotive or aerospace subsystems?: While the MA2-B-34-625-1-A13-7-C carries UL1077, CSA, and CCC approvals suitable for general industrial and non-hazardous locations, it is not listed for automotive primary protection per SAE J1699 or aerospace DO-160 compliance. Its intended use is in fixed installations where environmental stress testing beyond standard ratings is not required. For mission-critical systems in vehicles or avionics, additional qualification testing for vibration, temperature cycling, and shock would be necessary, and alternative components designed specifically for those domains should be considered unless retrofitting into legacy infrastructure.

Can the MA2-B-34-625-1-A13-7-C be used for DC switching in battery management systems without risking contact erosion or failure?: The MA2-B-34-625-1-A13-7-C is specified for DC loads up to 80V and 25A, making it viable for low-voltage DC applications such as solar microinverters or telecom power distribution. However, DC arcs do not naturally extinguish themselves like AC zero-crossings do, so contact erosion accumulates more rapidly under frequent arcing conditions. In systems with high di/dt transients (e.g., capacitor bank switching), supplemental snubber circuits or pre-insertion resistors are recommended to reduce contact wear. Long-term reliability in aggressive DC environments should be validated through accelerated life testing.

How does the absence of illumination in the MA2-B-34-625-1-A13-7-C impact usability in dark or poorly lit operator panels, and what alternatives exist?: Since the MA2-B-34-625-1-A13-7-C lacks built-in status indication, users cannot visually confirm its on/off state without external lighting or adjacent displays. This can lead to misoperation in low-light industrial environments. Engineers considering this model should integrate pilot lights or use adjacent indicator LEDs driven by auxiliary contacts. Alternatively, selecting a variant with green/red lens illumination—though not available in this exact part—would provide immediate visual feedback, improving operational safety and diagnostic speed during maintenance.

What are the implications of using the MA2-B-34-625-1-A13-7-C in a three-phase system where only two phases require protection?: The two-pole configuration of the MA2-B-34-625-1-A13-7-C allows it to protect two live conductors simultaneously, which is ideal for single-phase loads in a three-phase system. However, if full system imbalance protection is required, additional poles must be added elsewhere in the circuit. Using this breaker alone leaves the third phase unprotected, potentially exposing equipment to overvoltage or single-phasing damage. In such cases, a dedicated single-pole breaker for the third phase or a multi-pole unit should complement the installation to ensure balanced protection across all active lines.

How does the panel mounting style of the MA2-B-34-625-1-A13-7-C influence enclosure design compared to DIN rail-mounted equivalents?: The panel mount design requires precise cutout dimensions—typically 30.5 × 26.7 mm—and secure mechanical fixation to prevent vibration-induced loosening in mobile or ruggedized applications. It integrates directly into front-panel layouts common in control cabinets, avoiding the need for secondary brackets. In contrast, DIN rail versions save panel space and simplify field upgrades but may introduce flexure-related stress at the interface point. For the MA2-B-34-625-1-A13-7-C, designers must allocate sufficient depth behind the panel to accommodate actuator travel and internal mechanisms, which can limit use in ultra-thin enclosures.

What is the expected lifespan of the MA2-B-34-625-1-A13-7-C under normal operating conditions versus worst-case fault interruption?: Under normal load cycling (e.g., 25A continuous with occasional minor surges), the MA2-B-34-625-1-A13-7-C can exceed 10,000 operations before mechanical wear affects reliability. However, interrupting a full short-circuit event at 250V AC can degrade contacts significantly, reducing total service life. Industry data suggests that each major fault interruption may equate to hundreds of normal cycles in terms of contact erosion. Therefore, while suitable for routine use, its deployment in high-fault environments demands careful coordination with upstream protection to minimize unintended trips and preserve longevity.

Does the MA2-B-34-625-1-A13-7-C support manual reset functionality after tripping, and how does this affect system recovery protocols?: Yes, the MA2-B-34-625-1-A13-7-C features a manual reset mechanism via the rocker actuator after cooling down post-trip. This allows operators to restore power once the fault condition has been cleared—a significant advantage over some auto-reset types. However, this introduces human error risks if personnel assume the underlying issue is resolved without inspection. System architects should incorporate interlocks or status logging to enforce fault diagnosis before reapplication of power, especially in unmanned installations where remote monitoring is essential.

How does the MA2-B-34-625-1-A13-7-C compare to solid-state circuit protection modules in terms of response time and energy dissipation during a 50A fault event?: During a 50A fault, the MA2-B-34-625-1-A13-7-C typically interrupts within 50–100 ms due to its magnetic trigger threshold being exceeded quickly. Solid-state alternatives can achieve sub-millisecond response but dissipate significant power continuously during conduction, leading to thermal management challenges. In practice, the mechanical action of the MA2-B-34-625-1-A13-7-C avoids steady-state losses and simplifies heat sinking, though at the cost of slower response. For applications where selectivity or fast disconnection is paramount, hybrid approaches combining both technologies may offer optimal trade-offs.

Are there any known interoperability issues between the MA2-B-34-625-1-A13-7-C and modern digital control interfaces that rely on auxiliary contact signaling?: The MA2-B-34-625-1-A13-7-C includes normally closed (NC) and normally open (NO) auxiliary contacts as standard, enabling integration with PLCs and SCADA systems for real-time fault reporting. However, contact bounce during switching—especially after fault interruption—can generate false signals if not filtered digitally. Additionally, contact material limitations mean they are unsuitable for high-frequency switching (<1Hz recommended). When interfacing with IoT-enabled controllers, engineers should implement debounce algorithms and avoid using these contacts for critical timing measurements.

What derating factors apply when installing multiple MA2-B-34-625-1-A13-7-C units adjacent to each other in a crowded control panel?: Adjacent placement increases local ambient temperature due to restricted airflow and mutual heat radiation. For every additional breaker within 50 mm, the effective operating temperature rises by approximately 1–2°C. At 40°C ambient, three closely spaced units may collectively elevate internal temperatures above 50°C, triggering thermal derating. To maintain full 25A rating, spacing should exceed 75 mm or forced ventilation should be implemented. Thermal modeling or infrared imaging during commissioning is advised to validate actual operating conditions in dense assemblies.

How does the hydraulic delay feature in the MA2-B-34-625-1-A13-7-C interact with ground fault detection schemes in industrial motor drives?: The MA2-B-34-625-1-A13-7-C does not include integrated ground fault sensing; it responds only to overcurrent magnitude. In motor drive applications, ground faults often manifest as leakage currents below the breaker’s pickup threshold. Therefore, standalone use of the MA2-B-34-625-1-A13-7-C cannot replace dedicated ground fault interrupters (GFIs) or insulation monitors. Proper protection requires supplementing it with RCDs or smart motor controllers capable of detecting earth leakage, ensuring personnel safety and equipment integrity in wet or conductive environments.

What are the consequences of exceeding the 250V AC or 80V DC voltage ratings of the MA2-B-34-625-1-A13-7-C on arc quenching capability?: Operating above 250V AC or 80V DC compromises dielectric strength and arc extinction performance. Higher voltages increase arc energy, extending the duration of fault current flow and elevating fire risk. The internal arc chute and contacts are optimized for the specified range; deviations reduce reliability and may void certifications. Even brief excursions beyond these limits—such as inductive kickback from switching inductive loads—can accelerate contact erosion. Designers must ensure all transient voltages remain within bounds using clamping diodes or RC networks where necessary.

Can the MA2-B-34-625-1-A13-7-C be used interchangeably with European-standard miniature circuit breakers (MCBs) in international OEM designs?: While both serve similar functions, the MA2-B-34-625-1-A13-7-C differs fundamentally from IEC 60898-compliant MCBs in form factor, mounting, and time-current curves. Its hydraulic delay results in softer tripping behavior compared to C-curves typical of MCBs. Direct substitution risks mismatched selectivity and inadequate protection for sensitive electronics. Furthermore, the panel mount vs. DIN rail distinction adds physical integration complexity. Cross-referencing through certified equivalency tables or performing comparative time-current testing is essential before assuming interchangeability in global product platforms.

Parts with Similar Specifications

The three parts on the right have similar specifications to Carling Technologies MA2-B-34-625-1-A13-7-C

Product Attribute
Part Number	MA2-B-34-625-1-A16-G-C	MA2-B-34-625-1-A16-B-C	MA2-B-34-625-1-A12-2-C	MA2-B-34-625-1-A21-B-C
Manufacturer	Carling Technologies	Carling Technologies	Carling Technologies	Carling Technologies
Mounting Type	-	Surface Mount	Through Hole	Surface Mount
Series	-	-	-	-
Voltage Rating - AC	-	-	-	-
Number of Poles	-	-	-	-
Illumination	-	-	-	-
Actuator Type	-	-	-	-
Illumination Voltage (Nominal)	-	-	-	-
Current Rating (Amps)	-	-	-	-
Package	-	Tape & Reel (TR)	Tube	Tape & Reel (TR)
Voltage Rating - DC	-	-	-	-
Approval Agency	-	-	-	-
Breaker Type	-	-	-	-

Customers Also Interested in

Recommended Products

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.

Write a Review

Your Email address will not be published.

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

Use your express account for shipment if you have one.
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

Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
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

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.

Visual inspection
Performance testing and reliability verification
Standardized full-process testing
Precise control of every parameter

We eliminate defective components and ensure the stable operation of electronic devices through professional quality standards.

Quality Inspection

Payment Support

The payment method can be chosen from the methods shown below: Wire Transfer (T/T, Bank Transfer), Western Union, Credit card, PayPal.

Stable Delivery, Sincere Partnership — Your Faithful Supply Chain Partner

Efficient Supply Management
Cost-Saving Procurement
Fast Sourcing & Delivery

Contact us if you have any questions.

Phone: +00852 9146 4856
Email: info@allelco.com

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