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3RA2220-1FB24-0BB4

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The Siemens 3RA2220-1FB24-0BB4 is a fuseless load feeder designed for reversing duty with an operating voltage of 400 V AC. It belongs to Size S0 and supports current ratings from 3.5 to 5.0 A with a 24 V DC screw terminal for reliable control circuit connections. This industrial-grade component is engineered for installation on a standard mounting rail, complemented by a standard mounting rail adapter to ensure easy integration. It meets coordination types 1 and 2 specifications, providing enhanced protection and operational safety in demanding automation environments. The Siemens 3RA2220-1FB24-0BB4 is a trusted choice for precise motor control and power distribution in industrial applications requiring reversing functions and high reliability.

Key Features of Siemens 3RA2220-1FB24-0BB4

  • Reversing duty capability to support motor direction control
  • Fuseless load feeder design for improved safety and maintenance
  • Rated current range: 3.5 to 5.0 A ensuring suitable power handling
  • Operating voltage of 400 V AC for three-phase motor applications
  • Size S0 compact form factor designed for space-saving installation
  • 24 V DC screw terminal connection for secure wiring
  • Installation on standard mounting rail with adapter for easy setup
  • Type of coordination 1 and 2 compliance for selective protection
  • One normally open (NO) and one normally closed (NC) contactor included

Review Siemens 3RA2220-1FB24-0BB4 specifications

Parameter Specification
Current Rating 3.5 to 5.0 A
Power Rating 1.5 kW
Voltage 400 V AC
Control Voltage 24 V DC
Number of Phases 3 Phase
Connection Type Screw Terminal
Size S0
Features Fuseless, Reversing

Applications / Use Case

This Siemens 3RA2220-1FB24-0BB4 is commonly used in industrial automation environments requiring robust motor control and protection. It is ideal for process control and production line systems where reversible motor operations are essential. Typical applications include conveyor systems, packaging machines, and factory control panels that demand reliable and compact load feeders without fuses to minimize maintenance. Its reversing capability supports applications where motor direction needs to be switched frequently and safely within automated setups.

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3RA2220-1FB24-0BB4

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Does it come with a warranty?

Yes, All products are offered wth 1-Year warranty.

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