Siemens 3RT20351NB30 - Contactor 40A 20-33VAC/DC
Siemens 3RT20351NB30 - Contactor 40A 20-33VAC/DC

Siemens 3RT20351NB30 - Contactor 40A 20-33VAC/DC

Siemens
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Siemens 3RT20351NB30 is a SIRIUS Size S2 3-pole IEC contactor designed for reliable motor control and power switching in industrial circuits. It features a 20-33VAC/DC coil and a 40A rated current, supporting motors up to 18.5kW at 400V with a maximum switching voltage of 690VAC. This compact unit measures 4.823 x 2.441 x 5.591 inches, weighs 2.441 lb, and is constructed for DIN rail mounting with screw terminals and an integrated varistor for coil protection. It complies with IEC standards for AC-3e/AC-3 duty and offers 10,000,000 operating cycles within a -25 to 60°C temperature range. Typical applications include motor control, lighting, and circuit protection in industrial automation and manufacturing environments.

Key Features & Specifications
  • Type: Contactor
  • Part Number: 3RT20351NB30
  • Manufacturer: Siemens
  • Series: SIRIUS Size S2
  • Number of Poles: 3
  • Rated Current: 40A
  • Coil Voltage: 20-33VAC/DC
  • Mounting Type: DIN Rail
  • Terminal Type: Screw
  • Auxiliary Contacts: 1NO-1NC
  • Operating Temperature: -25 to 60°C
  • Maximum Switching Voltage: 690VAC
  • Operating Cycles: 10,000,000
  • Dimensions: 4.823 x 2.441 x 5.591 inch
  • Weight: 2.441 lb
  • Country of Origin: Germany


Product Identification
  • UPC: 887621915773