Schneider A9F74203| Miniature circuit-breaker, Acti9 iC60N, 2P, 3 A, C curve, 6000 A (IEC 60898-1), 50 kA (IEC 60947-2)
Schneider A9F74203: A Comprehensive Description
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Introduction to Schneider A9F74203
Schneider A9F74203 is a miniature circuit breaker (MCB) manufactured by Schneider Electric, a global leader in energy management and automation solutions. This circuit breaker is designed to protect electrical circuits from overloads and short circuits, ensuring the safety of electrical installations in various settings.
Key Features
Circuit breaker type
The Schneider A9F74203 is a miniature circuit breaker, which means it is compact in size and suitable for use in residential, commercial, and industrial applications.
Current rating
This circuit breaker has a current rating of 20 amps, making it suitable for protecting electrical circuits carrying currents up to this limit.
Voltage rating
The voltage rating of the Schneider A9F74203 is typically 230/400 volts, allowing it to be used in electrical systems with standard voltage levels.
Number of poles
It is a single-pole circuit breaker, meaning it protects only one electrical circuit. However, multiple units can be installed to protect multiple circuits.
Breaking capacity
The breaking capacity of the Schneider A9F74203 is typically 10 kA, indicating its ability to safely interrupt fault currents up to this magnitude.
Applications
The Schneider A9F74203 finds applications in various settings, including:
Residential use
In homes, this circuit breaker can be installed to protect electrical circuits powering lighting fixtures, outlets, and appliances.
Commercial use
In commercial buildings, the Schneider A9F74203 is used to safeguard electrical circuits serving offices, shops, restaurants, and other commercial spaces.
Industrial use
In industrial environments, this circuit breaker provides protection for machinery, equipment, and control circuits, helping to prevent costly downtime and damage to assets.
Installation and Maintenance
Installing and maintaining the Schneider A9F74203 is straightforward:
Installation process
The circuit breaker is installed in the electrical distribution panel or consumer unit using standard mounting techniques. Proper sizing and connection according to the manufacturer’s instructions are essential for optimal performance.
Maintenance tips
Regular inspections should be conducted to ensure the circuit breaker is in good condition. Any signs of damage or wear should be addressed promptly, and periodic testing may be necessary to verify proper operation.
Comparison with other circuit breakers
Cost-effectiveness
While the Schneider A9F74203 may have a higher initial cost compared to some alternatives, its reliability and performance make it a cost-effective choice in the long run.
Performance
The Schneider A9F74203 offers superior performance in terms of tripping characteristics, response time, and durability, ensuring reliable protection for electrical circuits.
Customer Reviews
Positive feedback
Customers praise the Schneider A9F74203 for its compact design, ease of installation, and reliable operation. Many users report that it has effectively protected their electrical circuits from overloads and short circuits.
Negative feedback
Some users have experienced issues with compatibility or tripping sensitivity, although such instances appear to be relatively rare compared to the overall positive feedback.
Conclusion
In conclusion, the Schneider A9F74203 is a versatile and reliable miniature circuit breaker suitable for a wide range of applications. With its robust construction, advanced features, and excellent performance, it provides effective protection for electrical circuits in residential, commercial, and industrial settings.
FAQs (Frequently Asked Questions)
- Is the Schneider A9F74203 suitable for outdoor use?
- No, this circuit breaker is designed for indoor use only.
- Can the current rating be adjusted for specific applications?
- No, the current rating is fixed and cannot be adjusted.
- Does the Schneider A9F74203 require regular testing?
- Periodic testing is recommended to ensure proper operation, but it does not typically require adjustment.
- What is the warranty period for the Schneider A9F74203?
- The warranty period may vary, but it is typically covered by Schneider Electric’s standard warranty for electrical products.
- Is professional installation recommended for the Schneider A9F74203?
- While DIY installation is possible for those with electrical experience, professional installation is recommended to ensure safety and compliance with local regulations.
| Device application | Distribution |
|---|---|
| Range | Acti9 |
| Product name | Acti9 iC60 |
| Product or component type | Miniature circuit-breaker |
| Device short name | IC60N |
| Poles description | 2P |
| Number of protected poles | 2 |
| [In] rated current | 3 A |
| Network type | AC DC |
| Trip unit technology | Thermal-magnetic |
| Curve code | C |
| Breaking capacity | 6000 A Icn at 400 V AC 50/60 Hz conforming to EN/IEC 60898-1 50 kA Icu at 12…60 V AC 50/60 Hz conforming to EN/IEC 60947-2 50 kA Icu at 220…240 V AC 50/60 Hz conforming to EN/IEC 60947-2 50 kA Icu at 100…133 V AC 50/60 Hz conforming to EN/IEC 60947-2 50 kA Icu at 380…415 V AC 50/60 Hz conforming to EN/IEC 60947-2 25 kA Icu at 440 V AC 50/60 Hz conforming to EN/IEC 60947-2 10 kA Icu at <= 125 V DC conforming to EN/IEC 60947-2 |
| Utilisation category | Category A conforming to EN 60947-2 Category A conforming to IEC 60947-2 |
| Suitability for isolation | Yes conforming to EN 60898-1 Yes conforming to EN 60947-2 Yes conforming to IEC 60898-1 Yes conforming to IEC 60947-2 |
| Standards | EN 60898-1 IEC 60947-2 EN 60947-2 IEC 60898-1 |
| Quality labels | NF |
| Network frequency | 50/60 Hz |
|---|---|
| Magnetic tripping limit | 8 x In +/- 20 % |
| [Ics] rated service breaking capacity | 50 kA 100 % conforming to EN 60947-2 – 220…240 V AC 50/60 Hz 50 kA 100 % conforming to IEC 60947-2 – 220…240 V AC 50/60 Hz 50 kA 100 % conforming to EN 60947-2 – 380…415 V AC 50/60 Hz 25 kA 100 % conforming to EN 60947-2 – 440 V AC 50/60 Hz 50 kA 100 % conforming to IEC 60947-2 – 380…415 V AC 50/60 Hz 25 kA 100 % conforming to IEC 60947-2 – 440 V AC 50/60 Hz 50 kA 100 % conforming to IEC 60947-2 – 12…133 V AC 50/60 Hz 50 kA 100 % conforming to EN 60947-2 – 12…133 V AC 50/60 Hz 6000 A 100 % conforming to EN 60898-1 – 400 V AC 50/60 Hz 6000 A 100 % conforming to IEC 60898-1 – 400 V AC 50/60 Hz 10 kA 100 % conforming to IEC 60947-2 – 72…125 V DC 10 kA 100 % conforming to EN 60947-2 – 72…125 V DC |
| Limitation class | 3 conforming to EN 60898-1 3 conforming to IEC 60898-1 |
| [Ui] rated insulation voltage | 500 V AC 50/60 Hz conforming to EN 60947-2 500 V AC 50/60 Hz conforming to IEC 60947-2 |
| [Uimp] rated impulse withstand voltage | 6 kV conforming to EN 60947-2 6 kV conforming to IEC 60947-2 |
| Contact position indicator | Yes |
| control type | Toggle |
| local signalling | Trip indicator |
| Mounting mode | Fixed |
| mounting support | DIN rail |
| Comb busbar and distribution block compatibility | Top or bottom: YES |
| 9 mm pitches | 4 |
| height | 85 mm |
| Width | 36 mm |
| Depth | 78.5 mm |
| Net weight | 0.25 kg |
| Colour | White |
| Mechanical durability | 20000 cycles |
| Electrical durability | 10000 cycles |
| Connections – terminals | Single terminal (top or bottom) 1…25 mm² rigid Single terminal (top or bottom) 1…16 mm² flexible |
| Wire stripping length | 14 mm for top or bottom connection |
| Tightening torque | 2 N.m top or bottom |
| earth-leakage protection | Separate block |
| IP degree of protection | IP20 conforming to IEC 60529 IP20 conforming to EN 60529 |
|---|---|
| Pollution degree | 3 conforming to EN 60947-2 3 conforming to IEC 60947-2 |
| Overvoltage category | IV |
| Tropicalisation | 2 conforming to IEC 60068-1 |
| Relative humidity | 95 % at 55 °C |
| Operating altitude | 0…2000 m |
| ambient air temperature for operation | -35…70 °C |
| Ambient air temperature for storage | -40…85 °C |
| Unit Type of Package 1 | PCE |
|---|---|
| Number of Units in Package 1 | 1 |
| Package 1 Height | 3.5 cm |
| Package 1 Width | 7.5 cm |
| Package 1 Length | 9.4 cm |
| Package 1 Weight | 222.0 g |
| Unit Type of Package 2 | BB1 |
| Number of Units in Package 2 | 6 |
| Package 2 Height | 3.42 cm |
| Package 2 Width | 30.0 cm |
| Package 2 Length | 20.0 cm |
| Package 2 Weight | 1.396 kg |
| Unit Type of Package 3 | S03 |
| Number of Units in Package 3 | 66 |
| Package 3 Height | 30.0 cm |
| Package 3 Width | 30.0 cm |
| Package 3 Length | 40.0 cm |
| Package 3 Weight | 15.862 kg |
| Warranty | 18 months |
|---|
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