Siemens Surge Suppressor 24-48VAC 24-70VDC 3R

The Siemens Surge Suppressor 3RT29161BB00 is a high-quality overvoltage limiter designed for use with SIRIUS contactors. It protects contactor coils from voltage spikes and dampens opening surges, ensuring reliable operation and extended service life. This plug-in accessory is easy to install and compatible with a wide range of Siemens contactor sizes.

Advantages

• Protects contactor coils from overvoltage and surge damage
• Extends the lifespan of switching devices
• Simple plug-in mounting reduces installation time
• Compact design saves space in control cabinets
• Reliable performance in industrial environments

Suitable for

• Siemens SIRIUS 3RT2, 3RT1, 3RH2, 3RH1 contactors
• Contactor sizes S00, S0, S2, S3
• AC and DC control circuits
• Industrial automation and motor control systems

Key specifications

• Product Type: Surge Suppressor / Overvoltage Limiter
• Suppression Element: RC Element (Resistor-Capacitor)
• Operating Voltage AC: 24 - 48 V AC
• Operating Voltage DC: 24 - 70 V DC
• Mounting Type: Plug-in (Front mounting)
• Degree of Protection: IP20
• Ambient Operating Temperature: -25 to +60 °C
• Storage Temperature: -40 to +80 °C
• Power Loss (AC): 0.5 W
• Power Loss (DC): 0.2 W
• Standards: IEC 60947-4-1, EN 60947-4-1

Recommendations

For optimal protection, always use the correct surge suppressor matching your contactor's coil voltage. This Siemens 3RT29161BB00 is specifically designed for 24-48VAC and 24-70VDC applications. Ensure proper installation and observe the operating temperature range.