Siemens 3RT2926-1BD00 Surge Suppressor 127-240V AC 150-250V Varistor for SIRIUS 3RT2 Contactor

The Siemens 3RT2926-1BD00 is a high-quality surge suppressor designed to protect contactor coils from overvoltage transients. Part of the SIRIUS 3RT2 series, this plug-in varistor module ensures reliable operation and extended lifespan of your switching equipment. With a wide operating voltage range of 127-240 V AC and a response voltage of 150-250 V, it provides robust protection for industrial automation systems.

Advantages

• Effective overvoltage limitation using varistor technology
• Easy front mounting – plugs directly onto the contactor
• Compatible with SIRIUS 3RT2 contactors size S0
• High rated insulation voltage of 690 V
• Wide ambient temperature range -25 to +60 °C
• IP20 degree of protection when installed

Suitable for

• Protection of SIRIUS 3RT2 contactor coils
• Industrial control panels and motor control centers
• Automation systems requiring surge protection
• Applications with AC supply voltages 127-240 V

Key specifications

• Product Type: Surge Suppressor (Varistor)
• Operating Voltage: 127-240 V AC
• Response Voltage: 150-250 V
• Contactor Size: S0
• Rated Insulation Voltage: 690 V
• Mounting: Plug-in (front)
• Standards: IEC 60947-4-1, EN 60947-4-1
• Ambient Temperature: -25 to +60 °C
• Storage Temperature: -40 to +80 °C
• Degree of Protection: IP20

Recommendations

For optimal protection of your SIRIUS contactors, always use the specified surge suppressor. Ensure proper installation according to the manufacturer's guidelines. This device is designed for indoor use only and should be installed by qualified personnel.