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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 2905743 |
| Alternative Part Number | 2905743 |
| Manufacturer | Phoenix Contact |
| Product Type | DIN Rail Electronic Circuit Breaker |
| Nominal Input Voltage Range | 100 V AC to 240 V AC, 110 V DC to 250 V DC |
| Frequency Range | 50 Hz to 60 Hz |
| Nominal Output Voltage | 24 V DC ±1 %, adjustable from 24 V DC to 28 V DC |
| Nominal Output Current (I_N / IDyn) | 10 A / 15 A (for 5 seconds) |
| Residual Ripple | ≤ 10 mV_PP |
| Surge Voltage Protection on Output | ≤ 30 V DC |
| MTBF | > 1,800,000 h at 25 °C, > 1,000,000 h at 40°C, > 480,000 h at 60°C |
| Efficiency | > 91 % (for 230 V AC and nominal values) |
| Power Consumption | No-Load < 5.1 W, Nominal Load Max. < 25 W |
| Ambient Operating Temperature | -25 °C to 70 °C (Derating above 60 °C: 2.5 %/K) |
| Ambient Storage Temperature | -40 °C to 85 °C |
| Relative Humidity | ≤ 95 % (at 25 °C, non-condensing) |
| Maximum Altitude | ≤ 5000 m (Derating above 2000 m) |
| Vibration Resistance | < 15 Hz, amplitude ±2.5 mm, 15 Hz to 150 Hz, 4g, 90 min |
| Shock Resistance | 30g in each direction, according to IEC 60068-2-27 |
| Pollution Degree | 2 |
| Climatic Class | 3K3 (in accordance with EN 60721) |
| Safety Standards | EN 60204-1, IEC 60950-1/VDE 0805 (SELV), EN 50178/VDE 0160 (PELV), DIN VDE 0100-410 |
| Harmonic Current Emissions | EN 61000-3-2 |
| Rail Applications Standard | EN 50121-4 |
| Approvals | UL Listed UL 508, UL/C-UL Recognized UL 60950-1 |
| Mounting Position | Horizontal DIN rail NS 35, EN 60715 |
| Assembly Instructions | Alignable: horizontally 0 mm (≤ 40 °C) 10 mm (≤ 70 °C), vertically 50 mm |
| Connection Method | Push-in connection |
| Conductor Cross Section Solid | Min. 0.2 mm² to Max. 4 mm² |
| Conductor Cross Section Flexible | Min. 0.2 mm² to Max. 2.5 mm² |
| Conductor Cross Section AWG | Min. 24 to Max. 12 |
| Stripping Length | 10 mm |
| Weight | 1 kg |
| Dimensions (W x H x D) | 42 mm x 130 mm x 160 mm |
The Phoenix Contact 2905743 is a state-of-the-art DIN Rail Electronic Circuit Breaker designed to offer precise protection for your electrical systems. Engineered with meticulous attention to detail, this circuit breaker is an essential component for managing and safeguarding DC circuits in a variety of industrial applications.
Crafted for reliability, the 2905743 features electronic trip characteristics that ensure rapid response to overcurrent conditions, protecting equipment from potential damage. Its adjustable current ratings allow for tailored protection to meet the specific needs of each circuit, ranging from 0.5 to 10 amps. This flexibility makes it an ideal solution for a wide range of power distribution requirements.
The compact design of the 2905743 allows for efficient use of control panel space, while its easy-to-use push-in connection technology facilitates quick and secure wiring without the need for additional tools. The device's clear status indication via LED lights provides at-a-glance diagnostics, simplifying maintenance and troubleshooting.
Constructed to perform in demanding environments, the Phoenix Contact 2905743 operates effectively within a broad temperature range and is rigorously tested to withstand vibrations and shocks, ensuring consistent performance and longevity.
Incorporating the 2905743 into your electrical infrastructure means investing in protection that is both robust and precise, ensuring your systems run smoothly and with minimal downtime. Whether it's for machine control, process automation, or power distribution, this electronic circuit breaker is a dependable choice for modern industrial settings.
Commonly Asked Questions
Is my order covered by a warranty?
Marvo provides a full 12-month warranty on all products, whatever the condition. For your peace of mind, all parts are ‘Marvo Approved’ which means that they have been tested and checked to ensure that they are in working condition. If you are unhappy with the part(s) you received and would like to request a return, you can do so by completing our quick and easy online form. Once we have received your Returns Request, a member of the team will be in touch to discuss this further with you. You can read more about our warranty policy here.
Read more...What payment methods do you accept?
We accept card payments from all major credit, debit and Mastercard providers including Visa, American Express, Western Union, Paypal and bank transfers. Before you complete an order you will be prompted to input your payment details, at which point you can enter the relevant card information you wish to use for your transaction. If you are experiencing issues with your payment method then you can contact our team via email here. From there, you will be directed to the most relevant resource or person to help you complete your payment, get your order processed and ensure that your parts are on the way to your delivery address.
Read more...Is Marvo a credible parts supplier?
Marvo is a highly credible supplier of industrial automation parts and components with dedicated hubs around the world offering industry-leading products and services. Marvo is committed to providing a quick, easy and reliable place to source your automation and control components. All purchases come as standard with a comprehensive 12-month return to base warranty meaning that, in just a few clicks, you can source critical parts more seamlessly than ever before. Click here to read an article on how Marvo is redefining convenience for automation and manufacturing professionals.
Read more...Have steps been taken to ensure quality control?
Marvo takes pride in product quality and has put several measures in place to assure high levels of quality standards. For your peace of mind, all parts have been ‘Marvo Approved’ which means that they have been tested and checked to ensure that they are in working condition. Redefine convenience and secure priority delivery on all parts along with a comprehensive 12-month warranty. This is the smart new way to buy automation and control components.
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Read more...Peace of mind with every purchase
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Our service to you
Lightning-Fast Express Shipping: Receive your order in record time with our express shipping options, ensuring you minimize downtime and keep your projects on track.
No-Risk Returns, Guaranteed: Return your parts anytime for a full refund. Our hassle-free return policy ensures you’re never stuck with something you don’t need.
Clear Pricing with No Hidden Fees: What you see is what you pay, transparent pricing with no extra costs, ever. Rest assured, all taxes and fees are already included in your final price.
Rock-Solid Reliability at a Fraction of the Cost: Get pre-owned electronic parts that are fully tested for peak performance, saving you money without compromising on quality, backed by a comprehensive warranty.
Frequently Asked Questions
What is the function of this electronic circuit breaker?
The electronic circuit breaker is designed to protect DC circuits from overcurrent conditions. It can be set to trip at current levels from 0.5 to 10 amps, providing precise protection for sensitive electronic equipment.
Can this circuit breaker be used in a range of ambient temperatures?
Yes, it is suitable for operation in a wide range of ambient temperatures, from -25°C up to 70°C, ensuring reliable performance in various environmental conditions.
What type of mounting does this circuit breaker support?
This circuit breaker is designed for DIN rail mounting, which allows for easy installation and removal from control panels and equipment racks.
Is there a specific type of connection technology used for this circuit breaker?
The circuit breaker utilises push-in connection technology, which facilitates quick and tool-free wiring, making installation and maintenance more efficient.
What is the rated voltage for this circuit breaker?
The rated voltage for the circuit breaker is 24 V DC, which is a common voltage level for control circuits in industrial applications.
Does this circuit breaker have a status display?
Yes, it comes with LED status indicators that provide visual feedback on the operational state, including green for normal operation, yellow for warning, and red for trip conditions.
What is the maximum capacitive load this circuit breaker can handle?
The circuit breaker can handle a maximum capacitive load of 75000 µF per channel at 24 V DC, which accommodates a range of capacitive loads in electronic circuits.
How does the circuit breaker handle undervoltage and surge voltage conditions?
The circuit breaker features undervoltage and surge voltage protection, actively shutting down the load circuit when voltages fall below 17.8 V DC or rise above 30.5 V DC.
What approvals does this circuit breaker have?
It has several international approvals, including UL Listed, cUL Listed, UL Recognized, EAC, and DNV GL, ensuring compliance with global industry standards.
What is the typical response time for this circuit breaker?
The typical response time for the circuit breaker is less than 0.1 seconds, providing rapid protection against overcurrent conditions to prevent damage to connected devices.
Part conditions explained
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Used: The product has been previously owned and has been used. It may show signs of wear and tear but is still functional and operational. The condition may vary depending on the specific item and its usage history.
