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Siemens SIRIUS 3RT2936-1BF00 Varistor Surge Suppressor 400-600V AC, For 3RT2.3 / 3RT2.4 Contactors, Size S2/S3 Original Brand New

$10.24

Siemens 3RT2936-1BF00 surge suppressor, varistor, 400-600 V AC, 50/60 Hz, for contactors 3RT2.3 and 3RT2.4

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Overview: Siemens 3RT2936-1BF00 Varistor Surge Suppressor

The Siemens SIRIUS 3RT2936-1BF00 is an essential accessory designed to protect your contactor coils from damaging voltage peaks. This clip-on varistor surge suppressor is specifically engineered for use with Siemens SIRIUS 3RT2 series power contactors of frame size S2 and S3 (models 3RT2.3 and 3RT2.4).

By absorbing transient voltage spikes (surges) generated when the contactor coil is switched off, the 3RT2936-1BF00 significantly extends the lifespan of your contactors and other sensitive control components in the circuit. Its high voltage rating makes it suitable for demanding industrial applications.

Key Benefit

  • Extended Contactor Lifespan: Protects the coil insulation and surrounding circuitry from destructive high-energy voltage peaks that occur during switching operations.
  • Increased System Reliability: Prevents spurious faults and minimizes downtime by ensuring stable operation of the control circuit.
  • Easy Installation: Features a simple, tool-free clip-on design for quick and efficient mounting directly onto the front of the compatible 3RT2 contactors.
  • High Voltage Protection: Specifically designed for control circuits operating in the high voltage range of 400-600V AC.
  • SIRIUS Modular System Compatibility: Seamlessly integrates with the Siemens SIRIUS modular range, ensuring perfect fit and performance.

Function & Application

The varistor in the 3RT2936-1BF00 unit acts as a voltage-dependent resistor. When a dangerous voltage surge occurs across the contactor coil, the varistor’s resistance instantly drops, diverting the high-energy surge current away from the coil and dissipating the energy as heat, effectively “suppressing” the spike.

This device is essential in any application where switching high-power inductive loads is common, ensuring the longevity and reliability of industrial control panels, motor starters, and automation systems using Siemens 3RT2 contactors (Sizes S2 and S3) operating at to AC.

For more industrial control and automation products like the Siemens 3RT2936-1BF00, visit Turll today!

Weight 0.007 kg
Dimensions 57 × 17 × 34 mm

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Siemens SIRIUS 3RT2936-1BF00 Varistor Surge Suppressor 400-600V AC, For 3RT2.3 / 3RT2.4 Contactors, Size S2/S3Siemens SIRIUS 3RT2936-1BF00 Varistor Surge Suppressor 400-600V AC, For 3RT2.3 / 3RT2.4 Contactors, Size S2/S3 Original Brand New
$10.24
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