The Siemens 3RT2916-1LM00 is a genuine SIRIUS surge suppressor module featuring an interference suppression diode with integrated LED indication, designed to protect DC-operated contactor coils and control circuits from switching-induced voltage spikes. This accessory is specifically engineered for Siemens SIRIUS 3RT2.1 contactors and 3RH2 auxiliary contactors (Size S00), helping improve system reliability and extending the life of sensitive control components.
Designed for 24–70V DC control voltages, the 3RT2916-1LM00 effectively suppresses back EMF generated when a contactor coil is de-energized. By limiting transient voltage peaks, it helps protect PLC outputs, relays, timers, sensors, and electronic control systems from electrical stress and potential damage.
A key feature of this suppressor is its integrated LED status indicator, which provides clear visual confirmation of coil energization and control circuit status. This simplifies troubleshooting, commissioning, and maintenance activities while improving operational visibility within control panels.
The 3RT2916-1LM00 utilizes a compact clip-on mounting design that allows quick installation without additional wiring modifications. Suitable for mounting in any position, it offers dimensions of 46 mm × 28 mm × 9 mm, making it ideal for motor control centers (MCCs), industrial control panels, OEM machinery, HVAC systems, and automation applications where space optimization is important.
Manufactured according to Siemens quality standards, the suppressor operates reliably in temperatures ranging from -25°C to +60°C and carries major international approvals including CE, UL, and CSA. As part of the trusted Siemens SIRIUS accessories portfolio, it delivers dependable long-term performance in demanding industrial environments.
| Specification | Details |
|---|---|
| Product Name | Suppression Diode with LED |
| Brand | Siemens |
| Series | SIRIUS 3RT29 |
| Model Number | 3RT2916-1LM00 |
| SKU | 3RT2916-1LM00 |
| Product Type | Surge Suppressor |
| Design | Interference Suppression Diode with LED |
| Control Voltage | 24–70V DC |
| Voltage Type | DC |
| Suitable For | Siemens SIRIUS 3RT2.1 Contactors |
| Compatible Auxiliary Contactors | Siemens 3RH2 |
| Contactor Size | S00 |
| Mounting Type | Clip-On |
| Mounting Position | Any |
| Function | Coil Surge Protection & Status Indication |
| LED Indicator | Yes |
| Height | 46 mm |
| Width | 28 mm |
| Depth | 9 mm |
| Net Weight | 0.006 kg |
| Operating Temperature | -25°C to +60°C |
| Storage Temperature | -40°C to +80°C |
| Approvals | CE, UL, CSA |
| Product Family | Siemens SIRIUS Accessories |
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