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- PT100 is an RTD (Resistance Temperature Probe) made of Platinum metal which has a resistance value of 100 ohms at zero degrees celsius. - PTC (Positive Temperature Coefficient) and NTC (Negative...
Issue: How to calculate the heat dissipation in BTU per hour Product Line: All Schneider product lines Cause: The calculation to determine the BTU for adding a piece of equipment to a cabinet to...
IEC 60947 define ICS as the "rated service short-circuit breaking capacity" while ICU as the "rated ultimate short-circuit breaking capacity". The Ics is a percentage of Icu. For...
The restricted earth fault protection (ANSI 64REF) can be applied if the downstream power system neutral is earthed at the transformer (document attached). This is a differential protection function...
Although almost 80-90% of the features are the same, there are differences between the IEC and UL(NEMA)/ANSI/CSA breakers. Depending on the frame, the following components may be different: •...
Protection against phase unbalance, detected by the measurement of negative sequence current: sensitive protection to detect 2-phase faults at the ends of long lines protection of equipment against...
Earth fault protection, with selective tripping according to fault current direction. 3 types of operation: type 1: the protection function uses the projection of the I0 vector type 2: the protection...
Form A relay digital output: Form A digital output means that, outputs are normally open contacts with one common terminal (C) and one normally open terminal (NO). The terminals are isolated from...
The password can be reset by clearing the program inside the Zelio either by Transfering a new program to the Zelio Or Clearing the program that already exist by updating the firmware Kindly find the...
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...
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...
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...
