SIEMENS
This is a reliable surge suppressor (suppression diode) designed to protect your control circuit components. Compatible with Siemens 3RT2.1 power contactors and 3RH2 auxiliary contactors, it operates across a wide 12-250 V DC range, effectively eliminating switching overvoltages and ensuring the longevity of your equipment.
The Siemens 3RT2916-1DG00 is an essential accessory for robust industrial control systems. This plug-in suppression diode is specifically engineered for mounting onto the control circuit terminal of SIRIUS 3RT2.1 series power contactors and 3RH2 series auxiliary contactors. Its primary function is to absorb the magnetic energy released when the contactor coil is de-energized, preventing damaging voltage spikes.
Component Longevity: Significantly extends the service life of control circuit devices, PLCs, and relays by eliminating coil-generated switching overvoltages.
Wide Compatibility: Versatile operating range from 12 V DC to 250 V DC, making it suitable for a broad spectrum of DC control applications.
Effortless Integration: Features a simple, tool-free plug-in design for quick and secure installation onto compatible Siemens contactors.
System Reliability: Protects against electrical noise, contributing to a more stable and reliable control system operation.
The 3RT2916-1DG00 utilizes a suppression diode to provide overvoltage limitation. When the contactor coil is switched off, the collapsing magnetic field induces a high-voltage spike (overvoltage). The diode acts as a shunt, diverting this voltage spike away from sensitive electronics, effectively clamping the voltage to a safe, low level. This is critical for systems utilizing semiconductor outputs (like PLCs) that are highly susceptible to damage from excessive back EMF.
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| SKU / Model | 3RT2916-1DG00 |
|---|---|
| Brand | SIEMENS |
| product brand name | SIRIUS |
| product designation | surge suppressor |
| size of contactor | S00 |
| design of the surge suppressor | with diode |
| ● during storage | -40 ... +80 °C |
| ● during operation | -25 ... +60 °C |
| type of voltage of the control supply voltage | DC |
| ● at DC | 12 ... 250 V |
| mounting position | any |
| fastening method | clip-on |
| certificate of suitability | CE / UL / CSA |
| last modified: | 4/21/2021 |
| Weight | 0.005 kg |
| Dimensions | 31.00 × 57.00 × 10.00 mm |
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