Siemens SIRIUS 3RT2 Surge Suppressor, Varistor, 48-127 V AC/70-150 V DC, for Contactors S00-S3 3RT29161BC00

Switching inductive loads such as contactor coils generates voltage spikes that can damage control electronics and reduce contactor life. The Siemens 3RT29161BC00 surge suppressor absorbs these transients, protecting your SIRIUS 3RT2 contactors and ensuring reliable operation in industrial control systems.

Who is it for

This suppressor is for engineers and panel builders using Siemens SIRIUS 3RT2 contactors in motor control applications. It is suitable for contactor sizes S00, S00, S0, S2, and S3, providing a simple plug-in solution for overvoltage protection.

Main features

• Varistor-based surge suppression for AC and DC coils
• Wide operating voltage range: 48-127 V AC, 70-150 V DC
• Direct plug-in mounting on compatible contactors
• Compact design for space-saving installation
• Operating temperature range: -25 to +60 °C

Specifications

• Product type: Surge suppressor
• Suppressor technology: Varistor
• Operating voltage AC: 48 - 127 V
• Operating voltage DC: 70 - 150 V
• Voltage type: AC/DC
• Compatibility: Siemens SIRIUS 3RT2 contactors, sizes S00, S0, S2, S3
• Mounting type: Plug-in / direct mounting
• Ambient operating temperature: -25 to +60 °C
• Ambient storage temperature: -40 to +80 °C
• Series: SIRIUS

Tips

Select the suppressor based on the coil voltage of your contactor. The varistor technology provides fast response to voltage spikes, extending the life of your control components.