ОПИСАНИЕ ПРОДУКТА
SCHNEIDER ELECTRIC LV43435DT - Molded Case Circuit Breaker (MCCB)
The SCHNEIDER ELECTRIC LV43435DT is a 3-pole ComPact NSX250F Molded Case Circuit Breaker engineered for overcurrent protection and isolation within industrial electrical distribution systems. It integrates a Micrologic 2.2 electronic trip unit, providing adjustable thermal and instantaneous protection for critical loads, motor control centers, and panel board applications. This device ensures reliable circuit interruption and maintains system integrity under fault conditions.
Technical Specifications:
- SERIES/FAMILY: ComPact NSX250F
- COMPONENT TYPE: Molded Case Circuit Breaker (MCCB)
- ELECTRICAL SPECS:
- POLES: 3P
- RATED CURRENT (In): 250 A
- RATED OPERATIONAL VOLTAGE (Ue): 690 V AC 50/60 Hz
- RATED INSULATION VOLTAGE (Ui): 800 V AC 50/60 Hz
- RATED IMPULSE WITHSTAND VOLTAGE (Uimp): 8 kV
- BREAKING CAPACITY (Icu): 36 kA at 400/415 V AC 50/60 Hz (F Category)
- TRIP UNIT TYPE: Micrologic 2.2 Electronic
- PROTECTION FUNCTIONS: Long-time (Overload), Instantaneous (Short-circuit)
- LONG-TIME PROTECTION ADJUSTMENT (Ir): 0.4 to 1 x In
- INSTANTANEOUS PROTECTION ADJUSTMENT (Ii): 1.5 to 10 x Ir
- MECHANICAL/PHYSICAL:
- FRAME SIZE: NSX250
- MOUNTING: Fixed, on mounting plate or DIN rail
- CONNECTION TYPE: Front terminals
- INTERFACE/CONTROL:
- TRIP UNIT INTERFACE: Local adjustment dials for Ir and Ii
- STATUS INDICATION: ON/OFF/Tripped mechanical indicator
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP40 (with terminal shields), IP20 (without terminal shields)
- POLLUTION DEGREE: 3 (IEC 60947-1)
- OPERATING TEMPERATURE: -25 to 70 degrees C
- STORAGE TEMPERATURE: -50 to 85 degrees C
- MOUNTING POSITION: Vertical or horizontal
- COMPATIBILITY/APPLICATION:
- PRIMARY APPLICATION: Industrial electrical distribution, feeder protection, sub-distribution
- TARGET SYSTEMS: Motor control centers, panel boards, machinery protection, HVAC systems
