3RT2446-1AL20

Siemens 3RT2446-1AL20 3-pole contactor, Size S3 AC-3 44A
Siemens 3RT2446-1AL20 3-pole contactor, Size S3 AC-3 44A

Siemens 3RT2446-1AL20 contactor, SIRIUS 3RT24 series, Size S3, 3 poles (3NO), AC-3 rated current 44A (400V), control voltage 230VAC 50/60Hz, main circuit insulation voltage 1000V.

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Siemens 3RT2446-1AL20 3-pole contactor, Size S3 AC-3 44A
Product Positioning

The Siemens 3RT2446-1AL20 contactor belongs to the SIRIUS 3RT24 series. It features a Size S3, 3-pole (3NO) design, with 1NO+1NC auxiliary contacts. The AC-1 rated current is 140A (up to 690V at 40°C), and the AC-3 rated current is 44A (400V). The Siemens 3RT2446-1AL20 controls at 230VAC 50/60Hz, has a main circuit insulation voltage of 1000V, a mechanical life of 10 million cycles, and uses screw terminal wiring. It is suitable for controlling medium to large-sized motors.

Core Product Advantages and Features
Size S3, 3-pole design
It features 3 NO main contacts and 1 NO + 1 NC auxiliary contacts, providing complete functionality.
AC-1 rated current 140A
Rated up to 690V at 40°C, drops to 130A at 60°C.
AC-3 rated current 44A
Rated at 400V, suitable for starting medium and large three-phase motors.
Control voltage 230VAC
Universal for 50/60Hz, mechanical life of 10 million cycles, screw terminal wiring.
project Specification
Product Type SIRIUS 3RT24 Series Electric Contactors
External dimensions (Size) S3
Pole/Main Contact Configuration 3 poles, 3 NO (plus 1 NO + 1 NC auxiliary contact built-in)
AC-1 rated current 140A (40°C), 130A (60°C)
AC-3 rated current 44 A (400V)
Control/coil voltage 230 V AC, 50/60 Hz
Main circuit insulation voltage 1000 V
Auxiliary circuit insulation voltage 690 V
Mechanical life 10 million times
External dimensions (HxWxD) 140 x 70 x 152 mm
net weight 1.722 kg

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