DESCRIZIONE PRODOTTO
SCHNEIDER ELECTRIC 18803 - 3-Pole AC Contactor
This component is a TeSys D series electromechanical contactor designed for switching power circuits in industrial control applications. It facilitates the control of three-phase asynchronous motors and resistive loads, integrating a 220VAC control coil and auxiliary contacts for interlocking and signaling within automation systems. Its robust design supports integration into motor control centers, HVAC systems, and general machinery requiring reliable power switching.
Technical Specifications:
- SERIES/FAMILY: TeSys D
- COMPONENT TYPE: 3-Pole AC Contactor
- ELECTRICAL SPECS:
- NOMINAL OPERATIONAL CURRENT (AC-3): 9 A at <= 440 V AC
- NOMINAL OPERATIONAL CURRENT (AC-1): 25 A at <= 60 °C
- MOTOR POWER (AC-3): 4 kW at 380-400 V AC 2.2 kW at 220-230 V AC
- CONTROL CIRCUIT VOLTAGE: 220 V AC 50/60 Hz
- POLES: 3P
- RATED INSULATION VOLTAGE: 690 V (IEC 60947-4-1)
- RATED IMPULSE WITHSTAND VOLTAGE: 6 kV
- OPERATIONAL FREQUENCY: 25-400 Hz
- MECHANICAL/PHYSICAL:
- FORM FACTOR: Block Contactor
- AUXILIARY CONTACTS: 1 NO (Normally Open) + 1 NC (Normally Closed)
- INTERFACE/CONTROL:
- CONTROL CIRCUIT TYPE: AC 50/60 Hz
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP20 (Front Face)
- OPERATING TEMPERATURE: -5 to 60 °C
- MOUNTING STYLE: Plate or DIN Rail
- COOLING METHOD: Natural Convection
- COMPATIBILITY/APPLICATION:
- COMPATIBILITY: TeSys D series thermal overload relays, auxiliary contact blocks, surge suppressors
- APPLICATION: Motor control, resistive load switching, power circuit switching in industrial and commercial systems
