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Specification & Description
| Specification | Description |
|---|---|
| Part Number | A9F75304 |
| Manufacturer | Schneider |
| Product Type | Miniature Circuit Breaker (MCB) |
| Range | Acti 9 |
| Device Short Name | IC60N |
| Number of Poles | 3P |
| Rated Current (In) | 4 A |
| Network Type | AC/DC |
| Trip Unit Technology | Thermal-magnetic |
| Curve Code | D |
| Breaking Capacity | 6000 A Icn at 400 V AC 50/60 Hz, 50 kA Icu at 12...60 V AC, 50 kA Icu at 220...240 V AC |
| Utilisation Category | Category A conforming to EN 60947-2 and IEC 60947-2 |
| Suitability for Isolation | Yes, conforming to EN 60898-1, EN 60947-2, IEC 60898-1, and IEC 60947-2 |
| Standards | EN 60947-2, IEC 60898-1, IEC 60947-2, EN 60898-1 |
| Rated Insulation Voltage (Ui) | 500 V AC 50/60 Hz |
| Rated Impulse Withstand Voltage (Uimp) | 6 kV |
| 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 |
| Dimensions (Height x Width x Depth) | 85 mm x 54 mm x 78.5 mm |
| Net Weight | 0.375 kg |
| Mechanical Durability | 20,000 cycles |
| Electrical Durability | 10,000 cycles |
| Connections - Terminals | Single terminal (top or bottom) 1…25 mm² rigid, 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 and EN 60529 |
| Pollution Degree | 3 conforming to EN 60947-2 and IEC 60947-2 |
| Overvoltage Category | IV |
| Tropicalisation | 2 conforming to IEC 60068-1 |
| Relative Humidity | 95% at 55°C |
| Operating Altitude | 0 to 2000 m |
| Ambient Air Temperature for Operation | -35 to 70°C |
| Ambient Air Temperature for Storage | -40 to 85°C |
The Schneider A9F75304 is a high-quality miniature circuit breaker designed to provide overcurrent protection in electrical distribution systems. This three-pole breaker is rated at 4A and is suitable for both AC and DC networks, ensuring versatility across various applications. It features a thermal-magnetic trip unit and a D curve tripping characteristic, which allows for the protection of circuits with high inrush currents, commonly found in applications with motors and transformers.
With a breaking capacity of 6000A at 400 V AC in accordance with IEC/EN 60898-1 standards, and 50kA at 220...240 V AC conforming to IEC/EN 60947-2, this MCB is capable of handling significant fault conditions, providing reliable protection for electrical equipment. The device is also suitable for isolation, meeting the requirements of EN 60898-1 and IEC 60947-2, which adds an extra layer of safety during maintenance and servicing.
The compact design of the A9F75304, with a width of only 54mm, allows for efficient use of space within consumer units and distribution boards. It is easily installed on a DIN rail, making it a convenient choice for both new installations and retrofits. The breaker also features a toggle control type and a trip indicator for clear and immediate visual status, enhancing ease of use.
Constructed with a focus on durability, the A9F75304 boasts a mechanical endurance of 20,000 cycles and an electrical durability of 10,000 cycles, ensuring a long service life. The unit is also environmentally conscious, being both mercury-free and compliant with the EU RoHS Directive, reflecting Schneider Electric's commitment to sustainability and environmental responsibility.
Overall, the Schneider A9F75304 miniature circuit breaker is a reliable and efficient solution for protecting electrical circuits in commercial and industrial settings, offering both performance and peace of mind.
Commonly Asked Questions
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Frequently Asked Questions
What is the breaking capacity of this miniature circuit breaker?
The miniature circuit breaker has a breaking capacity of 6000 A Icn at 400 V AC 50/60 Hz conforming to EN/IEC 60898-1 and 50 kA Icu at various voltage levels conforming to EN/IEC 60947-2.
Can this circuit breaker be used with both AC and DC power sources?
Yes, the miniature circuit breaker is suitable for use with both AC and DC network types.
What is the rated current for this device?
The rated current for the A9F75304 miniature circuit breaker is 4 A.
What are the dimensions of this circuit breaker?
The dimensions of the circuit breaker are 85 mm in height, 54 mm in width, and 78.5 mm in depth.
What is the utilisation category of this circuit breaker?
The utilisation category of this circuit breaker is Category A conforming to EN 60947-2 and IEC 60947-2.
Is this product suitable for isolation?
Yes, the miniature circuit breaker is suitable for isolation, conforming to EN 60898-1, EN 60947-2, IEC 60898-1, and IEC 60947-2.
What is the IP degree of protection for this circuit breaker?
The IP degree of protection for this circuit breaker is IP20, conforming to IEC 60529 and EN 60529.
What is the mechanical and electrical durability of this device?
The mechanical durability of the device is 20,000 cycles, and the electrical durability is 10,000 cycles.
What type of terminals does this circuit breaker have?
This circuit breaker has single terminals that can accommodate top or bottom connections with 1…25 mm² rigid wires and 1…16 mm² flexible wires.
Is the miniature circuit breaker halogen-free?
Yes, the product is a halogen-free product, which aligns with environmental safety and sustainability standards.
Part conditions explained
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New unsealed: The product is in its original packaging, but the packaging has been opened or unsealed. It has never been used and should be in near pristine condition.
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New unboxed: The product does not come in its original packaging, but it has never been used and is in great working condition.
Refurbished: The product has been previously used, but it has undergone a thorough refurbishment process to restore it to a like-new or functional condition. Any defects or issues have been addressed, making it suitable for reuse.
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.
