Siemens 3RT2936-1CE00 Surge Suppressor, RC Element, 240-400V AC, for SIRIUS Contactor 3RT2.3 Original Brand New

Overview

The Siemens 3RT2936-1CE00 surge suppressor is a crucial protection device designed for use with SIRIUS 3RT2.3 contactors (Size S2 and S3). This accessory features an RC element (Resistor/Capacitor circuit) which effectively dampens voltage peaks (transients) generated when the contactor's coil is switched off. By absorbing these surges, the 3RT2936-1CE00 protects both the contactor and connected control electronics, significantly prolonging system lifespan and reducing downtime. Installation is simple, utilizing a clip-on method directly onto the contactor.

Function

The primary function of the 3RT2936-1CE00 is to suppress overvoltages that occur when the magnetic coil of the contactor is de-energized.

• Technology: RC Element (Resistor-Capacitor circuit).
• Damping: Absorbs inductive voltage peaks, preventing damage to the coil insulation and sensitive control components (like PLCs or relays) connected in parallel.
• Compatibility: Specifically designed for the Siemens SIRIUS 3RT2.3 contactor series.
• Voltage Range: Operates with a control supply voltage of 240V to 400V AC, 50/60 Hz.

Benefit

• Increased Equipment Reliability: Minimizes electrical noise and voltage spikes, ensuring consistent and reliable operation of the control circuit.
• Extended Contactor Lifespan: Protects the contactor coil from damaging overvoltages, reducing the need for premature replacement.
• Protection of Control Electronics: Shields upstream and parallel-connected control devices (e.g., PLCs, proximity switches, sensors) from destructive transient voltages.
• Simple Installation: Easy and fast clip-on mounting directly to the front of the 3RT2.3 contactor, saving time during assembly.
• Wide Voltage Application: Suitable for a broad range of standard industrial AC control voltages in the 240V to 400V range.

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