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Specification & Description
| Specification | Description |
|---|---|
| Part Number | LV431403 |
| Manufacturer | Schneider |
| Product Type | Motor Protection Circuit Breaker |
| Rated Current (In) | 250 A |
| Rated Operational Voltage (Ue) | 690 V AC |
| Ultimate Short-Circuit Breaking Capacity (Icu) | 85 kA @ 220/240 V AC |
| Network Frequency | 50/60 Hz |
| Suitability for Isolation | Yes conforming to EN/IEC 60947-2 |
| Utilisation Category | Category A |
| Rated Insulation Voltage (Ui) | 800 V AC conforming to IEC 60947-2 |
| Rated Impulse Withstand Voltage (Uimp) | 8 kV conforming to IEC 60947-2 |
| Mechanical Durability | 20000 cycles conforming to IEC 60947-2 |
| Electrical Durability | 10000 cycles at rated current for AC operations conforming to IEC 60947-2 |
| Mounting Mode | Fixed |
| Connection Pitch | 35 mm |
| Protection Type | Without protection |
| Dimensions (W x H x D) | 105 mm x 161 mm x 86 mm |
| IP Degree of Protection | IP40 conforming to IEC 60529 |
| IK Degree of Protection | IK07 conforming to IEC 62262 |
| Ambient Air Temperature for Operation | -25…70 °C |
| Ambient Air Temperature for Storage | -50…85 °C |
| Pollution Degree | 3 conforming to IEC 60664-1 |
| Product Certifications | CSA, UL |
| Sustainable Offer Status | Green Premium product |
| REACh Regulation | REACh Declaration |
| EU RoHS Directive | Compliant |
| Mercury Free | Yes |
| China RoHS Regulation | China RoHS Declaration |
| Environmental Disclosure | Product Environmental Profile |
| End Of Life Information | Must be disposed of according to specific waste collection in the European Union |
The Schneider LV431403 Motor Protection Circuit Breaker is a robust and reliable solution designed to safeguard motors in industrial settings. This compact and efficient device is part of the ComPact NSX250F series and is engineered to provide exceptional protection with a rated operational voltage of 690 V AC and a frequency of 50/60 Hz. With a substantial rated current of 250 A at 40°C, it is well-suited for distribution applications.
The circuit breaker boasts an impressive ultimate short-circuit breaking capacity of 85 kA at 220/240 V AC, ensuring dependable performance under challenging conditions. It is equipped with three poles and does not include a trip unit, allowing for customisation based on specific protection requirements. The device conforms to EN/IEC 60947-2 standards and is suitable for isolation, adhering to rigorous safety and quality benchmarks.
With dimensions of 105 mm in width, 161 mm in height, and 86 mm in depth, the LV431403 is designed for fixed mounting and can be easily integrated into existing systems. Its mechanical durability is rated at 20,000 cycles, and its electrical durability at 10,000 cycles for 440 V AC, demonstrating its longevity and reliability.
The circuit breaker is a Green Premium product, indicating its compliance with environmental regulations such as REACh and the EU RoHS Directive. It is mercury-free and comes with a clear environmental disclosure, ensuring that it aligns with sustainability goals and responsible disposal practices.
This Schneider circuit breaker is a high-performance component that provides secure and efficient motor protection, making it an essential part of any industrial power management system.
Commonly Asked Questions
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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.
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Frequently Asked Questions
What is the rated operational voltage of this circuit breaker?
The rated operational voltage (Ue) of the circuit breaker is 690 V AC 50/60 Hz.
Can this device be used for isolation purposes?
Yes, the circuit breaker is suitable for isolation conforming to EN/IEC 60947-2 standards.
What is the rated ultimate short-circuit breaking capacity of this breaker?
The rated ultimate short-circuit breaking capacity (Icu) is 85 kA at 240 V AC 50/60 Hz conforming to UL 508 and varies depending on the voltage level as per IEC 60947-2.
What are the dimensions of this circuit breaker?
The dimensions of the circuit breaker are 105 mm in width, 161 mm in height, and 86 mm in depth.
What is the mechanical durability of this circuit breaker?
The mechanical durability of the circuit breaker is rated at 20,000 cycles conforming to IEC 60947-2.
What is the IP degree of protection for this circuit breaker?
The IP degree of protection for this circuit breaker is IP40 conforming to IEC 60529.
What is the ambient air temperature range for the operation of this circuit breaker?
The ambient air temperature range for operation is from -25°C to 70°C.
Is this circuit breaker compliant with the EU RoHS Directive?
Yes, the circuit breaker is compliant with the EU RoHS Directive.
What is the pollution degree of this circuit breaker?
The pollution degree of this circuit breaker is 3 conforming to IEC 60664-1.
How should this product be disposed of at the end of its life?
The product must be disposed of according to European Union markets' specific waste collection to ensure it does not end up in rubbish bins.
Part conditions explained
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