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Welcome to the Schneider Electric Website

Welcome to our website.

What is the difference between flush and non flush mountable sensor ?

The difference between flush and non flush mountable sensor is as below : Flush-style sensors actually have a shield that restricts the magnetic field so that it only radiates out of the face of the...

What is the tripping time for RCCB (Residual current Circuit Breaker) ?

The tripping time for the RCCB is complying to the standard specifications for the RCCB. Find attached the tripping characteristics of RCCBs.

What is the difference between Stop Category 0 , Stop Category 1 and Stop...

International standard EN/ISO 13850 (replaces standard EN 418) specifies the functional requirements and design principles of emergency stop devices. Stop types: Stop category 0 and/or stop category...

What is meant by rated insulation voltage (Ui) for a contactor ?

The rated insulation voltage for a contactor is voltage used to define the insulation charactarestics of a device and referred to in dielectric tests determining leakage paths and creepage distances.

Why is the dynamic braking resistor repeatedly failing in our lift...

Issue: Why is the dynamic braking resistor repeatedly failing in our lift application? Product Line: Dynamic braking resistors, Altivar 71 Environment: Lifting applications Cause: DBR failure...

What are the different PLC models supported by Unity Pro v12 different...

Unity Pro V12 is available in 3 different sizes: S, L, XL The only difference between sizes S, L, XL is: supported controller references. Supported PLCs by size:

Do we have coordination table for GV2 for single pole motor?

So, you could take the rule for selecting the products : According to the nominal motor current ( in single phase ) you select the products ( circuit breaker, contactor, overload protection ) as for...

What are the criteria of tripping test of RCD according to IEC 61008?

RCCB (complying to IEC 61008) shall not trip at a current less than or equal to 0,5 I Δn, but it shall trip at I Δn within a specified time (see attached Table 1).

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Learn more through our Generic Knowledge FAQsGeneral Knowledge

What is meant by Symmetrical and Asymmetrical breaking currents?

issue: Customer wants to know the value of the symmetrical and asymmetrical breaking current of the circuit breaker and what do they mean. Environment: Circuit Breaker Resolution: - Symmetrical...

In a 3 phase system, why does the meter still show voltage reading on one...

Issue: Testing phase loss on a meter doesn't result in a null voltage reading. Environmnet: EasyLogic Series Power Meters PowerLogic Series Power Meters Resolution: The voltage seen is what we...

What is the selection criterion of Circuit Breakers for the Capacitor bank...

The selection should be done after derating the Circuit Breaker taking into consideration voltage variation and capacitors tolerances that could increase nominal current up to 1.5In. The Derating...