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3TH8040-0BB4

Siemens
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Siemens 3TH8040-0BB4 is a 4-pole contactor relay designed for motor control applications, providing reliable switching and control functions. This device features a 16 ampere rating and a 24V DC coil voltage, with 4 normally open (4NO) auxiliary contacts for expanded control capabilities. The contactor relay utilizes screw terminal connections for secure wiring and weighs 1.23 lb, ensuring robust physical construction suitable for industrial environments. It complies with IEC 60947-5-1 and EN 50 011 standards, guaranteeing dependable performance and safety in demanding applications. Typical uses include motor starting, switching, and control circuits in automation and industrial systems.

Key Features & Specifications
  • Manufacturer: Siemens
  • Item Subcategory: Contactor
  • Weight: 1.23 lb
  • Amperage: 16A
  • Coil Voltage: 24V DC
  • Poles: 4
  • Auxiliary Contacts: 4NO (Normally Open)
  • Mounting Type: Screw Terminals
  • Standards: IEC 60947-5-1, EN 50 011
  • Series/Frame: 3TH80
  • Identification Number: 40E
  • Operation: DC Coil


Siemens 3TH8040-0BB4 - Contactor Relay 16A 24V DC 4-Pole