The Siemens 3RT2926-1CC00 is a genuine SIRIUS RC element surge suppressor designed to protect contactor coils and associated control circuits from harmful switching surges and transient voltage spikes. Engineered specifically for Siemens SIRIUS 3RT2.2 contactors (Size S0), this compact accessory helps improve system reliability, reduce electrical interference, and extend the service life of control components.
Designed for 48–127V AC (50/60 Hz) and 70–150V DC control circuits, the 3RT2926-1CC00 absorbs voltage peaks generated when contactor coils are energized or de-energized. This protection helps safeguard PLC outputs, relays, timers, sensors, electronic controllers, and other sensitive automation devices from transient damage.
The suppressor utilizes a proven RC element design, providing effective suppression of switching transients while reducing electromagnetic interference (EMI) within industrial control systems. By minimizing electrical noise and voltage spikes, the device improves operational stability and helps prevent nuisance tripping and unwanted control circuit disturbances.
Featuring a compact clip-on mounting design, the 3RT2926-1CC00 can be quickly installed onto compatible Siemens SIRIUS contactors without additional wiring modifications. Its space-saving dimensions make it ideal for motor control centers (MCCs), industrial control panels, OEM machinery, HVAC systems, process automation equipment, and manufacturing facilities.
The device supports installation in any mounting position and operates reliably in ambient temperatures ranging from -25°C to +60°C, ensuring dependable performance in demanding industrial environments. It also carries major international approvals including CE, UL, and CSA, confirming compliance with global industrial standards.
As part of the trusted Siemens SIRIUS 3RT29 accessory range, the 3RT2926-1CC00 RC Element Surge Suppressor provides reliable coil protection, improved system performance, and long-term operational security for industrial motor control and automation applications.
| Specification | Details |
|---|---|
| Product Name | RC Element Surge Suppressor |
| Brand | Siemens |
| Series | SIRIUS 3RT29 |
| Model Number | 3RT2926-1CC00 |
| SKU | 3RT2926-1CC00 |
| Product Type | Surge Suppressor |
| Suppressor Design | RC Element |
| Rated AC Voltage | 48–127V AC |
| Rated DC Voltage | 70–150V DC |
| Frequency | 50/60 Hz |
| Voltage Type | AC/DC |
| Suitable For | Siemens SIRIUS 3RT2.2 Contactors |
| Contactor Size | S0 |
| Mounting Method | Clip-On |
| Function | Coil Surge Protection |
| Application | Transient Voltage Suppression & EMI Reduction |
| Operating Temperature | -25°C to +60°C |
| Storage Temperature | -40°C to +80°C |
| Dimensions (W × H × D) | 30 × 19 × 12 mm |
| Net Weight | Approx. 5 g |
| Mounting Position | Any |
| Approvals | CE, UL, CSA |
| Product Family | Siemens SIRIUS Accessories |
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