PRODUCT DESCRIPTION
SCHNEIDER ELECTRIC LVS04855 - Motor Circuit Breaker
This device is a TeSys GV4PEM electronic motor circuit breaker, engineered for the protection and control of three-phase AC motors in industrial environments. It integrates advanced thermal-magnetic and electronic trip units to safeguard machinery against overload, short-circuit, phase imbalance, and phase loss conditions. Primary applications include motor control centers, pumping stations, conveying systems, and general industrial motor drives requiring robust protection.
Technical Specifications:
- SERIES/FAMILY: TeSys GV4PEM
- COMPONENT TYPE: Electronic Motor Circuit Breaker
- ELECTRICAL SPECS:
- NOMINAL CURRENT (In): 55A
- POLES: 3P
- OPERATIONAL VOLTAGE (Ue): 200-690VAC
- FREQUENCY: 50/60 Hz
- TRIP UNIT TYPE: Electronic (Thermal-magnetic equivalent)
- SHORT-CIRCUIT BREAKING CAPACITY (Icu): Up to 50kA at 400VAC
- INSTANTANEOUS TRIP SETTING (Ii): Adjustable, typically 5-13 x In
- THERMAL OVERLOAD SETTING (Ir): Adjustable, typically 0.4-1 x In
- MECHANICAL/PHYSICAL:
- MOUNTING: DIN Rail or Screw Mounting
- OPERATION: Rotary Handle (Manual)
- FRAME SIZE: Compact industrial form factor
- INTERFACE/CONTROL:
- PROTECTION FUNCTIONS: Overload (Ir), Short-circuit (Isd, Ii), Phase Imbalance, Phase Loss, Ground Fault
- CONTROL: Manual rotary handle operation
- FEEDBACK: Provision for auxiliary contacts and trip indication (via optional accessories)
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP20 (Terminals), IP40 (Front face when enclosed)
- COOLING METHOD: Natural Convection
- OPERATING TEMPERATURE: -25°C to +70°C
- COMPATIBILITY/APPLICATION:
- TARGET SYSTEMS: Three-phase AC motor circuits, Motor Control Centers (MCCs), Industrial Control Panels
- MACHINE TYPES: Pumps, Fans, Conveyors, Compressors, Machine Tools