Issue: Three pole breaker use in two pole (single-phase) application Product Line: MCCB Environment: Powerpact and Masterpact Resolution: A 3p breaker can be used on a 3 phase system using either 2...
Issue: Type 1 & Type 2 short circuit coordination comparison Product Line: Starters and Contactors Environment: Products sold in North America Resolution: Type I - Under short circuit conditions,...
Issue: How does a UVR undervoltage work? Product Line: Circuit Breakers Resolution: An undervoltage trip device is an optional accessory in a circuit breaker that mechanically trips the breaker when...
Rated short-circuit making capacity (Icm) and Rated short-time withstand current (Icw) values for Compact NSX Switch-disconnectors can be found in Compact NSX Catalogue . Icw and Icm values are...
The differences between the iC60N and iC60H series of circuit breakers is the iC60N has a breaking capacity of 6kA at 240/415V , C Curve in accordance with AS/NZS60898.1, where as the iC60H has a...
The Acti9 iC65 range of circuit breakers have the same external dimensions as the iC60 range but are not approved for use or sale in Australia. Only the Acti9 iC60 range of miniature circuit breakers...
MN undervoltage release The MN release opens the circuit breaker when its supply voltage drops to a value below 35% of its rated voltage Un. Undervoltage tripping, combined with an emergency-off...
B Curve means the MCB trips between 3-5 times full load current. It is mainly used in residential applications where loads are resistive e.g. lighting fixtures, domestic appliances with low surge...
As there is an impedance mismatch at the termination of the motor cable to the motor, there will be a reflected wave which travels back along the motor cable causing overvoltage’s. Overvoltage’s on...
Apa alternatif replacement battery UPS SURT15KRMXLI jika APCRBC140 tidak ready stock? ======================================================================= Untuk alternatifnya bisa menggunakan...
Issue: What is Power Factor Correction (PFC) - Does it help conserve energy? Answer: Power Factor Correction (PFC) doesn't directly reduce the overall electric consumption of a device or system,...
Numerous Schneider Electric Software use Microsoft SQL Server for logging and reporting of data. Examples include EcoStruxure Power Monitoring Expert, EcoStruxure Building Operations - Report Server,...
Issue: What is an electrical "ground loop" and how does it affect my equipment? Environment: Ground loops can occur in any situation where multiple electrical devices are interconnected,...
For the 3 Phase Variable Speed Drives, the RCD type B or type B-Si is particularly suitable. It protects against fault currents with DC offset, which is true for three-phase power converters. In...
What is Modbus? Modbus is a serial communication protocol developed by Modicon published by Modicon® in 1979 for use with its programmable logic controllers (PLCs). In simple terms, it is a method...
Issue: How do I remember the relationship of voltage, current and resistance in an electrical system? Environment: N/A Solution: Voltage (unit of measurement - volt) is like the water pressure in the...
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Issue: Three pole breaker use in two pole (single-phase) application Product Line: MCCB Environment: Powerpact and Masterpact Resolution: A 3p breaker can be used on a 3 phase system using either 2 or 3 poles. A 3p breaker can be used on a 1 phase system only if indicated by the markings as noted...
Issue: Type 1 & Type 2 short circuit coordination comparison Product Line: Starters and Contactors Environment: Products sold in North America Resolution: Type I - Under short circuit conditions, the contactor or starter shall cause no danger to persons or installation and may not be suitable...
Issue: How does a UVR undervoltage work? Product Line: Circuit Breakers Resolution: An undervoltage trip device is an optional accessory in a circuit breaker that mechanically trips the breaker when voltage to the terminals drops below a threshold level. It is a coil and plunger. When voltage is...
Rated short-circuit making capacity (Icm) and Rated short-time withstand current (Icw) values for Compact NSX Switch-disconnectors can be found in Compact NSX Catalogue . Icw and Icm values are defined by IEC60947 standard as following: Icw is the value of RMS current that can flow through the...
The differences between the iC60N and iC60H series of circuit breakers is the iC60N has a breaking capacity of 6kA at 240/415V , C Curve in accordance with AS/NZS60898.1, where as the iC60H has a breaking capacity of 10kA at 240/415V B, C & D Curve in accordance with AS/NZS60898.1. In Australia...
The Acti9 iC65 range of circuit breakers have the same external dimensions as the iC60 range but are not approved for use or sale in Australia. Only the Acti9 iC60 range of miniature circuit breakers and residual current devices as listed in the Schneider Electric Australia catalogue and website...
MN undervoltage release The MN release opens the circuit breaker when its supply voltage drops to a value below 35% of its rated voltage Un. Undervoltage tripping, combined with an emergency-off button, provides fail-safe tripping. The MN release is continuously supplied, i.e. if supply is...
B Curve means the MCB trips between 3-5 times full load current. It is mainly used in residential applications where loads are resistive e.g. lighting fixtures, domestic appliances with low surge Levels. C Curve means the MCB trips between 5-10 times full load current. It is used in...
As there is an impedance mismatch at the termination of the motor cable to the motor, there will be a reflected wave which travels back along the motor cable causing overvoltage’s. Overvoltage’s on the motor terminals can cause both partial and corona discharge which eventually wears down the...
Apa alternatif replacement battery UPS SURT15KRMXLI jika APCRBC140 tidak ready stock? ======================================================================= Untuk alternatifnya bisa menggunakan battery pack type SURT192XLBP sebanyak 2 sets, karena didalam 1 set SURT192XLBP terdapat 2 sets battery...
Issue: What is Power Factor Correction (PFC) - Does it help conserve energy? Answer: Power Factor Correction (PFC) doesn't directly reduce the overall electric consumption of a device or system, but it does play a role in optimizing the efficiency of electrical systems, which can indirectly lead to...
Numerous Schneider Electric Software use Microsoft SQL Server for logging and reporting of data. Examples include EcoStruxure Power Monitoring Expert, EcoStruxure Building Operations - Report Server, EcoStruxure Security Expert, DALI Buildings, Schedule Plus etc. SQL Server server names - refer to...
Issue: What is an electrical "ground loop" and how does it affect my equipment? Environment: Ground loops can occur in any situation where multiple electrical devices are interconnected, especially when those devices are powered from different sources or located in different places with varying...
For the 3 Phase Variable Speed Drives, the RCD type B or type B-Si is particularly suitable. It protects against fault currents with DC offset, which is true for three-phase power converters. In addition, it has enhanced immunity against nuisance tripping caused by: EMC common mode filters...
What is Modbus? Modbus is a serial communication protocol developed by Modicon published by Modicon® in 1979 for use with its programmable logic controllers (PLCs). In simple terms, it is a method used for transmitting information over serial lines between electronic devices. The device...
Issue: How do I remember the relationship of voltage, current and resistance in an electrical system? Environment: N/A Solution: Voltage (unit of measurement - volt) is like the water pressure in the pipe. When you turn on a faucet, the water pressure makes the water flow out. Similarly, voltage...