Schneider DC miniature circuit breaker C65H-DC series manual
Schneider DC miniature Circuit breaker C65H-DC series overview
With the continuous and rapid growth of China's economy, it also drives the rapid development of many industries such as power system, rail transit, DC power supply, shipping and metallurgy.
Frequently asked questions about Siemens circuit breakers
FAQ 1: What is meant by the tripping class of Siemens circuit breakers? And what is the specific meaning of 10A in the parameter?
PSE selection parameters and Quick use of ABB soft starter
Brief introduction to the common terms of THE ABB soft starter PSE
This paper mainly introduces the soft starter selection parameters and rapid use methods, including the soft starter model meaning and operation process as well as technical parameters, but also includes common terms letters, precautions, parameter configuration, interface function and circuit diagram.
Double power switch model and brand introduction
Dual power switch model
◆ Dual-power switch WTS model introduction
The two power sources extinguish the arc independently
● The common power supply and the standby power supply of WTS are connected, broken and arcing in an independent, insulated and closed breaking unit respectively to ensure safety;
The difference between electronic and electromagnetic leakage trippers
The function of leakage tripping device
The device is usually attached as an accessory to the circuit breaker, and the leakage trip is mainly used to release the holding mechanism and make the circuit breaker automatically open.
Schneider Power distribution box Prisma E series specification and application installation
Introduction of Schneider'S Prisma E series
◆ Professional quality distribution system
The 7+5 test was designed and verified according to IEC61439-1
Common types of fuses and interstage fit
Common types of fuses
◆ Plug-in fuse: this kind of equipment is generally used in line end positions of 380V and below voltage classes, mainly to play a corresponding protection role in case of short-circuit fault of distribution branch or electrical equipment.
What is an intermediate relay Intermediate relay selection elements
What is an intermediate relay?
It can be used in electromechanical protection and automatic control system to increase the number and capacity of contacts, not only the intermediate relay can also be applied to the circuit to provide the function of transmitting intermediate signals. It's basically similar to an AC contactor,
Ac contactor B9-30 series specification
Ac contactor B9-30 applicable scope
Ac contactor Models B9, B12, B16, B25 and B30 are mainly suitable for ac 50Hz power system with voltage up to 660V and current up to 8.5, 11.5, 15.5, 22 and 30A respectively. The AC contactor can be used to provide long distance on and off lines and is suitable for frequent control of ac motors.
ABB soft starter PSE fault code and troubleshooting
ABB soft starter PSE starting problems and failures
◆Fault status: LED is off and LCD is blank.
Cause: The power supply voltage Us is not connected.