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3RA2444-8XF32-1NB3 SIEMENS

SKU: 3RA24448XF321NB3
$11,867.76
IN STOCK
Express delivery
New - 12 Months warranty
Delivery: Ships within 3 business days
Worldwide delivery by DHL Express courier
Shipping: Calculated at Checkout
Weight: 6.50 KGS
Width: 25.00 (cm)
Height: 22.00 (cm)
Depth: 30.00 (cm)
HS Code / Commodity code: 85364900
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Description  
The 3RA2444-8XF32-1NB3 from Siemens is a contactor assembly specifically designed for star-delta (wye-delta) starting of three-phase AC motors. This assembly is suitable for motors with a power rating of up to 55 kW at 400 V AC. It features a control voltage range of 20-33 V AC/DC, providing flexibility in control circuit design. The size S3 contactors are used in this assembly, offering a compact yet robust solution. The assembly includes both electrical and mechanical interlocks to prevent short circuits and ensure safe operation. It incorporates 3 normally open (NO) and 3 normally closed (NC) auxiliary contacts for signaling and control purposes. Screw terminals are used for reliable and easy wiring. An integrated varistor provides surge protection, safeguarding the contactors from voltage spikes. This pre-assembled unit simplifies installation and reduces wiring time compared to building a star-delta starter from individual components. It is ideal for applications requiring reduced starting current and smooth acceleration of motors.
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