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Specification & Description
| Specification | Description |
|---|---|
| Part Number | A9F74202 |
| Manufacturer | Schneider |
| Product Type | Miniature Circuit Breaker |
| Poles | 2 Pole |
| Rated Current | 2 A |
| Network Type | AC/DC |
| Breaking Capacity | 50 kA at 500 V AC conforming to IEC 60947-2 |
| 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 |
| Trip Unit Technology | Thermal-magnetic |
| Curve Code | C |
| Dimensions | 78.5 x 36 x 85 mm |
| Network Frequency | 50/60 Hz |
| Rated Insulation Voltage | 500 V AC 50/60 Hz |
| Rated Impulse Withstand Voltage | 6 kV |
| IP Degree of Protection | IP20 |
| Pollution Degree | 3 |
| Overvoltage Category | IV |
| Operating Altitude | 0...2000 m |
| Ambient Air Temperature for Operation | -35…70 °C |
| Ambient Air Temperature for Storage | -40…85 °C |
| Mechanical Durability | 20000 cycles |
| Electrical Durability | 10000 cycles |
| Colour | White |
| 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 |
The Schneider A9F74202 is a highly reliable miniature circuit breaker designed to offer efficient distribution protection within electrical systems. This 2-pole, 2A circuit breaker is engineered with a C curve tripping characteristic, ensuring it responds to both overloads and short-circuit conditions with precision and speed. With a substantial breaking capacity of 6000A in accordance with IEC/EN 60898-1 and 50kA conforming to IEC/EN 60947-2, it is well-suited for a wide range of applications where robust circuit protection is paramount.
Crafted for versatility, the A9F74202 is compatible with both AC and DC networks, making it a flexible choice for various electrical infrastructures. The thermal-magnetic trip unit technology embedded within ensures a balanced response to thermal overloads and instantaneous magnetic short-circuit events. This circuit breaker also meets the Category A utilisation category, confirming its suitability for isolation purposes in line with EN 60898-1 and IEC 60947-2 standards.
The compact dimensions of 78.5 x 36 x 85 mm allow for efficient use of space within electrical enclosures, while the DIN rail mounting support facilitates easy installation and maintenance. The device's white colour and modern design ensure it integrates seamlessly into any electrical panel.
With a mechanical durability of 20,000 cycles and electrical durability of 10,000 cycles, the Schneider A9F74202 is built to last, providing a dependable solution for circuit protection that meets the rigorous demands of electrical distribution systems.
Commonly Asked Questions
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Frequently Asked Questions
What is the current rating of this miniature circuit breaker?
The current rating of this miniature circuit breaker is 2 A.
Can this circuit breaker be used in both AC and DC applications?
Yes, this circuit breaker is suitable for both AC and DC network types.
What is the breaking capacity of this device?
The breaking capacity is 6000 A at 400 V AC 50/60 Hz conforming to EN/IEC 60898-1 and 50 kA at various voltage levels conforming to EN/IEC 60947-2.
What are the dimensions of this circuit breaker?
The dimensions are 78.5 mm in depth, 36 mm in width, and 85 mm in height.
Is this product suitable for isolation?
Yes, it is suitable for isolation conforming to both EN 60898-1 and EN 60947-2 standards.
What is the trip unit technology used in this circuit breaker?
The trip unit technology is thermal-magnetic.
What is the IP degree of protection for this circuit breaker?
The IP degree of protection is IP20 conforming to IEC 60529 and EN 60529.
What is the mechanical and electrical durability of this circuit breaker?
The mechanical durability is 20000 cycles and the electrical durability is 10000 cycles.
What type of terminals does this circuit breaker have?
It has single terminals that can accommodate top or bottom connections with rigid wires up to 25 mm² and flexible wires up to 16 mm².
What is the rated insulation voltage of this device?
The rated insulation voltage is 500 V AC 50/60 Hz.
What is the pollution degree of this circuit breaker?
The pollution degree is 3 conforming to EN 60947-2 and IEC 60947-2.
What is the overvoltage category for this device?
The overvoltage category is IV.
What is the tropicalisation rating of this circuit breaker?
The tropicalisation rating is 2 conforming to IEC 60068-1.
What is the operating altitude for this circuit breaker?
The operating altitude is 0 to 2000 metres.
What are the ambient air temperature limits for operation and storage of this device?
The ambient air temperature for operation is between -35°C and 70°C, and for storage, it is between -40°C and 85°C.
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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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.
