Schneider LV540305 circuit breaker EasyPact CVS400F

The Schneider Electric LV540305 is a 3-pole thermomagnetic circuit breaker from the EasyPact CVS range, rated at 320 A at 40°C. Designed for electrical power distribution, it provides overload and short-circuit protection with a breaking capacity of 36 kA at 380/415 V AC per IEC 60947-2.

Technical specifications:

• Commercial reference: LV540305
• Manufacturer: Schneider Electric
• EAN:
• Series / range: EasyPact CVS
• Product type: Circuit breaker
• Number of poles: 3P (3d protected poles)
• Rated current [In]: 320 A at 40°C
• Network type: AC, 50/60 Hz
• Usage category: Category A
• Breaking capacity [Icu]: 40 kA at 220/240 V AC / 36 kA at 380/415 V AC / 30 kA at 440 V AC (IEC 60947-2)
• Service breaking capacity [Ics]: 40 kA at 220/240 V AC / 36 kA at 380/415 V AC / 23 kA at 440 V AC (IEC 60947-2)
• Breaking capacity code: F
• Protection unit: TM-D, thermomagnetic, 320 A at 40°C
• Thermal overload adjustment: 224...320 A (0.7...1 x In), adjustable
• Instantaneous short-circuit threshold: 5...10 x In, adjustable
• Rated impulse withstand voltage [Uimp]: 8 kV (EN/IEC 60947-2)
• Mechanical endurance: 15,000 cycles
• Electrical endurance: 6,000 cycles at 415 V In (IEC 60947-2)
• Control type: Handle
• Mounting: Fixed, back plate; front screw terminals, 45 mm
• Dimensions (W x H x D): 140 x 255 x 110 mm
• Weight: 4.7 kg
• IP rating: IP40
• Operating temperature: -25...70°C
• Storage temperature: -50...85°C
• Pollution degree: 3 (IEC 60664-1)
• Electrical shock protection class: Class II
• Standards: EN 60947-2, IEC 60947-2
• Certifications: GOST, IEC

Features and benefits:

• TM-D thermomagnetic protection unit offers both thermal overload and instantaneous short-circuit protection in one device
• Adjustable overload threshold (224...320 A) and adjustable instantaneous short-circuit threshold (5...10 x In) for flexible circuit coordination
• High breaking capacity code F - up to 40 kA at 220/240 V AC for reliable fault clearance
• Built-in contact position indicator for fast visual status monitoring
• Rated for 15,000 mechanical and 6,000 electrical operating cycles for long service life

Applications:

• Main and sub-distribution boards in industrial and commercial installations
• Feeder circuit protection in low-voltage switchgear assemblies
• Protection of downstream distribution equipment requiring high breaking capacity
• Fixed installation in electrical enclosures and switchboards

Compliant with EN 60947-2 and IEC 60947-2. Part of the Schneider Electric EasyPact CVS range.

Also known as: Schneider LV540305, Schneider Electric LV540305, CVS400F TM320D 3-pole circuit breaker.