DESCRIPCIÓN DEL PRODUCTO
SIEMENS 3TF6944-8CM7 - Power Contactor
This device is a SIEMENS 3TF series 4-pole power contactor, engineered for switching high-current inductive and resistive loads in industrial power distribution and motor control applications. It integrates robust contact technology for reliable operation in demanding environments, controlled by a standard AC coil voltage. The unit is suitable for heavy-duty machinery, large motor starters, and power factor correction systems requiring high operational current capacity.
Technical Specifications:
- SERIES/FAMILY: SIRIUS 3TF
- COMPONENT TYPE: Power Contactor
- ELECTRICAL SPECS:
- RATED OPERATIONAL CURRENT (AC-3): Up to 1000A (at 400V AC)
- RATED OPERATIONAL VOLTAGE: Up to 690V AC
- POLES: 4-pole
- CONTROL VOLTAGE: 220-230V AC, 50/60Hz
- FREQUENCY: 50/60Hz (Main Circuit)
- AUXILIARY CONTACTS: 2 Normally Open (NO) + 2 Normally Closed (NC)
- MECHANICAL/PHYSICAL:
- FRAME SIZE: 69 (Heavy-duty industrial frame)
- OPERATIONAL LIFE: High mechanical and electrical endurance for industrial switching cycles
- INTERFACE/CONTROL:
- CONTROL INPUT: Electromagnetically actuated via AC coil
- FEEDBACK: Integrated auxiliary contacts for status indication
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP00 (Protection against solid objects >50mm, no water protection designed for enclosure mounting)
- COOLING METHOD: Natural convection
- MOUNTING STYLE: Screw mounting to backplate
- OPERATING TEMPERATURE: -25 to +60 degrees Celsius
- COMPATIBILITY/APPLICATION: Heavy industrial motor control, resistive load switching, power distribution, large HVAC systems, pump control, and general high-current switching in industrial control panels.
