DESCRIPCIÓN DEL PRODUCTO
SCHNEIDER ELECTRIC LV540552 - Molded Case Circuit Breaker
The SCHNEIDER ELECTRIC LV540552 is a ComPact NSXm series molded case circuit breaker engineered for robust protection and control in low voltage electrical distribution systems. This 4-pole device integrates a Micrologic 4.1 electronic trip unit, providing adjustable LSI (Long-time, Short-time, Instantaneous) protection for circuits up to 50A. It is designed for critical applications requiring reliable overcurrent and short-circuit fault interruption in industrial and commercial installations.
Technical Specifications:
- SERIES/FAMILY: ComPact NSXm
- COMPONENT TYPE: Molded Case Circuit Breaker (MCCB)
- ELECTRICAL SPECS:
- RATED CURRENT (In): 50A
- FRAME SIZE: NSXm100 (100A frame)
- POLES: 4P
- BREAKING CAPACITY (Icu): 36kA at 400/415V AC
- RATED OPERATIONAL VOLTAGE (Ue): 220/240V AC to 690V AC
- RATED INSULATION VOLTAGE (Ui): 800V AC
- RATED IMPULSE WITHSTAND VOLTAGE (Uimp): 8kV
- FREQUENCY: 50/60 Hz
- MECHANICAL/PHYSICAL:
- MOUNTING TYPE: DIN rail or plate mounting
- CONNECTION TYPE: Front terminals
- INTERFACE/CONTROL:
- TRIP UNIT TYPE: Micrologic 4.1 (Electronic)
- PROTECTION FUNCTIONS: LSI (Long-time, Short-time, Instantaneous)
- LONG-TIME PROTECTION (Ir): Adjustable from 0.4 to 1 x In (20A to 50A)
- SHORT-TIME PROTECTION (Isd): Adjustable from 1.5 to 10 x Ir
- INSTANTANEOUS PROTECTION (Ii): Fixed at 12 x In (600A)
- NEUTRAL PROTECTION: 100%
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP40 (front face with escutcheon)
- POLLUTION DEGREE: 3
- OPERATING TEMPERATURE: -25°C to +70°C
- STORAGE TEMPERATURE: -50°C to +85°C
- MOUNTING POSITION: Vertical or horizontal
- COMPATIBILITY/APPLICATION:
- LOW VOLTAGE DISTRIBUTION: Protection of cables, generators, transformers
- INDUSTRIAL APPLICATIONS: Control panels, machinery, process equipment
- COMMERCIAL BUILDINGS: Power distribution infrastructure
