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A9F73403
Miniature circuit-breaker, Acti9 iC60N, 4P, 3 A, B curve, 6000 A (IEC 60898-1), 50 kA (IEC 60947-2)
- Stock status:
- In stock
- Manufacturer:
- Schneider
- Product code:
- A9F73403
Main documents
- Product datasheet
- Instruction sheet
- Catalogue
Related products
| Device application | Distribution |
|---|---|
| Range | Acti9 |
| Product name | Acti9 iC60 |
| Product or component type | Miniature circuit-breaker |
| Device short name | IC60N |
| poles description | 4P |
| Number of protected poles | 4 |
| [In] rated current | 3 A |
| network type | DC AC |
| Trip unit technology | Thermal-magnetic |
| Curve code | B |
| 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 <= 250 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 60898-1 EN 60947-2 IEC 60947-2 |
| network frequency | 50/60 Hz |
|---|---|
| Magnetic tripping limit | 4 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 – 180…250 V DC 10 kA 100 % conforming to EN 60947-2 – 180…250 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 | 8 |
| Height | 85 mm |
| Width | 72 mm |
| Depth | 78.5 mm |
| Net weight | 0.5 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 | 7.0 cm |
| Package 1 Width | 7.5 cm |
| Package 1 Length | 9.5 cm |
| Package 1 Weight | 451.0 g |
| Unit Type of Package 2 | BB1 |
| Number of Units in Package 2 | 3 |
| Package 2 Height | 8 cm |
| Package 2 Width | 10 cm |
| Package 2 Length | 22.5 cm |
| Package 2 Weight | 1.415 kg |
| Unit Type of Package 3 | S03 |
| Number of Units in Package 3 | 33 |
| Package 3 Height | 30 cm |
| Package 3 Width | 30 cm |
| Package 3 Length | 40 cm |
| Package 3 Weight | 15.976 kg |
Product Description
Schneider Electric
Schneider Electric is a multinational corporation specializing in energy management and automation solutions. With operations in over 100 countries, the company offers a wide range of products and services for various industries, including residential, commercial, and industrial.
Schneider Electric is focused on sustainability and innovation, aiming to help their customers manage energy efficiently and reduce their environmental impact.
Schneider Miniature Circuit Breakers (MCBs) are advanced safety devices designed to protect electrical circuits from overloads and short circuits. With an electro-mechanical mechanism, these MCBs automatically disconnect the circuit when excessive current is detected, ensuring reliable protection and preventing potential damage. Schneider MCBs can be easily reset and reused, offering a practical and efficient solution for residential, commercial, and industrial electrical systems.
A9F73403
The Acti9 iC60N (model A9F73403) is a high-performance low voltage miniature circuit breaker (MCB) designed for both residential and industrial applications. This 4-pole (4P) circuit breaker is rated for 3A current and features a B curve tripping characteristic, making it suitable for protecting circuits with lower inrush currents, such as lighting circuits.
Key Features and Specifications:
- Poles: 4 protected poles
- Rated Current: 3A
- Tripping Curve: B curve (ideal for low inrush current applications)
Short Circuit Breaking Capacity:
- Up to 50kA at 220VAC to 240VAC (conforming to EN/IEC 60947-2)
- 6000A at 400VAC (conforming to EN/IEC 60898-1)
Standards Compliance:
- EN/IEC 60947-2: Industrial standard
- EN/IEC 60898-1: Residential standard
Special Features:
- VisiTrip Indicator: Quickly identifies faulty circuits to reduce intervention time.
- VisiSafe Green Strip: Ensures the physical opening of contacts for safe downstream maintenance.
- Fast Closing Mechanism: Independent of manual operation, enhancing service life.
Technical Specifications:
- Electrical Endurance: Up to 10,000 cycles
- Mechanical Endurance: Up to 20,000 cycles
- Rated Insulation Voltage (Ui): 500VAC
- Limitation Class: Class 3 (per EN/IEC 60898-1), enhancing downstream circuit protection.
- Mounting: DIN rail, width of 8 pitches (9mm per pitch)
- Pollution Degree: 3
- Overvoltage Category: IV
Protection Rating:
- IP20 (standard protection)
- IP40 (in an enclosure, per IEC 60529)
- Dimensions: 72mm (W) x 85mm (H) x 78.5mm (D)
- Weight: 0.5kg
- Operating Temperature: -35°C to 70°C
- Storage Temperature: -40°C to 85°C
- Color: White (RAL9003)
This MCB offers reliable protection against overloads and short circuits, with features that enhance safety and operational efficiency.
Frequently Asked Questions
Which is Better: Schneider or Siemens Circuit Breakers?
When comparing Schneider and Siemens circuit breakers, both brands offer unique strengths and advantages, making them top choices in the industry.
✅ Both Schneider and Siemens circuit breakers are excellent choices for protecting electrical systems. Schneider excels in versatility and precision engineering, while Siemens is known for its exceptional build quality and innovation. The choice between the two depends on specific needs and preferences, ensuring reliable protection and performance for any electrical system.
What are the three types of miniature circuit breaker?
✅Miniature Circuit Breakers (MCBs) are essential for protecting electrical circuits from overcurrents and short circuits. There are three primary types of MCBs: Type B, Type C, and Type D. Each type is designed to respond to different levels of electrical surges in various settings.ft starters minimize the initial surge of power during startup by gradually increasing the voltage supply. This controlled power-up process prevents the motor from overheating, reducing the risk of temporary shutdowns and significantly extending the lifespan and durability of the motors.
What's the difference between type B and C MCBs?
✅Type B devices are engineered to trip when fault currents reach 3-5 times the rated current (In). For instance, a 10A Type B device will trip at 30-50A. Type C devices, on the other hand, are designed to trip at fault currents of 5-10 times In, which means a 10A device will trip at 50-100A. Lastly, Type D devices are intended to trip at fault currents of 10-20 times In, so a 10A device will trip at 100-200A.
What size is a Schneider 3 pole MCB?
✅ The product dimensions are (W) 54mm x (H) 85mm x (D) 77.5mm, and it weighs 0.31kg. It adheres to the IEC 60529 standard, offering a degree of protection rated at IP20 and IP40 when enclosed.
What is the Full Name of MCBs?
✅MCB Full Form - Miniature Circuit Breaker
✅Miniature Circuit Breaker
The full form of MCB is Miniature Circuit Breaker. An MCB is a type of electronic switch that operates automatically. It detects issues within a circuit by identifying excessive current flow, providing protection by interrupting the circuit to prevent damage.
What Are Miniature Circuit Breakers?
✅ Miniature Circuit Breaker (MCB) - Definition, Types, and Uses
A Miniature Circuit Breaker (MCB) is a safety device equipped with an electro-mechanical mechanism that automatically interrupts the flow of excessive current in a circuit. Unlike fuses, MCBs can be reset and reused without manual replacement, enhancing safety and convenience in electrical systems.
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