Siemens Overload relay for motor protection, size S10/S12, 160-630A Part number 3RB2066-1MC2

Overload relay 160...630 A

The SIRIUS 3RB2 electronic overload relay provides inverse-time delayed protection for motors against overload, phase unbalance, and phase failure.

Technical details:

• Size: S10/S12
• Current range: 160...630 A
• Class: 10E
• Installation: Contactor mounting/stand-alone
• Main circuit: busbar connection
• Auxiliary circuit: Screw terminal
• Reset: Manual-Automatic-Reset
• Approvals: Worldwide (e.g. IEC and UL/CSA), suitable for hazardous areas (ATEX)
• Connection: Screw or spring-loaded terminals

Customer benefits:

• Wide current setting ranges and various tripping characteristics to cover complete series of motors with few types.
• Low heat loss providing high energy efficiency and reduced temperature rise in the control cabinet.
• Maintenance-free and vibration-proof connection options expedite and simplify installation.
• Consistent accessory compatibility across sizes from S6 to S12.
• Part of the simple, efficient, and up-to-date SIRIUS modular system.