Siemens SIRIUS 3RU2 Thermal Overload Relay 1NO + 1NC, 4.5 → 6.3 A F.L.C, 6.3 A Contact Rating, 2.2 kW, 3P, SIRIUS

When electrical faults pose a danger to equipment, get this overload relay from Siemens on your side. The module plugs into the bottom of size S00 contactors (such as 706-1077), enabling the swift expansion of your motor protection team. A thermal mechanism stops excessive currents from causing overheating, which helps extend the life of your machines. The unit's trip class of 10 means it reacts in less than 10 seconds, so faults are dealt with quickly. The current level is adjustable between 4.5 and 6.3A, so you can set it to match your motor's rating. Add this overload relay to your control cabinet to help protect motors and submersible pumps.

• Stop and reset buttons on the front for easy use
• Screw terminals give you a dependable connection
• Robustly built to handle temperatures between -40°C and +70°C
• Designed and tested to offer explosion protection for safe installation in areas where airborne dust and gas contaminants may be present

The integrated auxiliary contacts let you electrically disconnect the unit from the contactor and send trip messages to your system.

Siemens Sirius Range Contactor & Control Relays