Schneider LV431411 ComPacT NSX250N Trip Unit 4P

The Schneider Electric LV431411 is a 4-pole basic frame circuit breaker from the ComPact NSX250N series, rated at 250A and designed for distribution applications. With a rated ultimate short-circuit breaking capacity of 50kA at 380/415V AC, it provides robust overcurrent protection in demanding industrial and commercial installations. Note: this product was discontinued on 23 September 2024.

Technical specifications:

• Commercial reference: LV431411
• Manufacturer: Schneider Electric
• EAN:
• Series / range: ComPact NSX100...250
• Product type: Basic frame circuit breaker (without trip unit)
• Circuit breaker name: Compact NSX250N
• Number of poles: 4P
• Neutral position: Left
• Rated current [In]: 250A at 40°C
• Rated operational voltage [Ue]: 690V AC 50/60 Hz
• Network type: AC, 50/60 Hz
• Breaking capacity [Icu]: 50kA at 380/415V AC (IEC 60947-2); 90kA at 220/240V AC
• Service breaking capacity [Ics]: 50kA at 380/415V AC; 90kA at 220/240V AC
• Rated insulation voltage [Ui]: 800V AC
• Rated impulse withstand voltage [Uimp]: 8kV
• Performance level: N - 50kA at 415V AC
• Control type: Toggle
• Mounting mode: Fixed
• Mounting support: Backplate
• IP protection: IP40 (IEC 60529)
• IK protection: IK07 (IEC 62262)
• Operating temperature: -25...70°C
• Storage temperature: -50...85°C
• Dimensions (WxHxD): 140 x 161 x 86 mm
• Weight: 2.118 kg
• Mechanical durability: 20000 cycles
• Standards: EN/IEC 60947-2, UL 508
• Certifications: CSA, UL
• Suitability for isolation: Yes (EN/IEC 60947-2)
• Utilisation category: Category A

Features and benefits:

• High breaking capacity of 50kA at 415V AC provides reliable short-circuit protection in demanding distribution networks.
• Wide voltage range up to 690V AC makes it suitable for a variety of industrial AC network configurations.
• 4-pole design with left neutral position accommodates three-phase plus neutral distribution circuits.
• Fixed mounting on backplate with front connection simplifies panel installation and wiring.
• IP40 enclosure protection and IK07 mechanical impact rating ensure durability in industrial environments.
• Broad operating temperature range (-25...70°C) supports deployment in harsh ambient conditions.

Applications:

• Main and sub-distribution boards in commercial and industrial buildings.
• Protection of outgoing feeders in low-voltage switchgear and motor control centres.
• Industrial panel boards requiring high short-circuit breaking capacity at 415V AC.
• Distribution systems where a separate or interchangeable trip unit is required.

Compliant with EN/IEC 60947-2 and UL 508. Part of the Schneider Electric ComPact NSX range.

Also known as: Schneider LV431411, Schneider Electric LV431411, Compact NSX250N basic frame, NSX250N 4-pole circuit breaker frame.