GENERANT - Check Valve-OPC-4PB-B-1

GENERANT - Check Valve-OPC-4PB-B-1

German WE02-6P100E24/OHN solenoid valve

Germany 618.6740.644 travel switch

Shandong Zhongfa supplies Italian TECNA 50275 trigger module

Versa VAG-3321-181D-XXD024, E7SM-2011-140-3-D024 solenoid valve

Supply BD flow sheath fluid 342003

ELECTONICON E62.F10-501B20 capacitor

Italian BTSR IFX/C06/P yarn sensor

KENDRION rectifier 3207332B40

TWK encoder CRD65-4096G4096C2Z35

SAUTER AVM234SF132

AB sensor LM10/3M29

Relay 0028765 BA9036 DC24V safety relay

Kubler 8.5873.1324-G221 encoder Thermokon AGS54ext.TRA sensor

PMV F5-MEC-420 feedback unit

GENERANT - Check Valve-OPC-4PB-B-1

COMEM Gas Relay-BR80IC

Shandong Zhongfa Industrial specializes in importing European and American imported parts from Germany, the United States, Italy, and other countries; Main products: Industrial spare parts, mechanical and electrical components, commonly used instruments and meters, mechanical equipment, etc.

Industrial knowledge

Spiral fuse: There is a fuse indicator on the upper end cover of the melt. Once the melt melts, the indicator will immediately pop out and can be observed through the glass hole on the ceramic cap. It is commonly used in machine tool electrical control equipment. Spiral fuse. The breaking current is relatively large and can be used for short-circuit protection in circuits with voltage levels of 500V and below and current levels of 200A and below.

Enclosed fuses: Enclosed fuses are divided into two types: filler fuses and unfilled fuses, as shown in Figure 3 and Figure 4. Filler fuses are generally made of square ceramic tubes, filled with quartz sand and melt, with strong breaking capacity, and are used in circuits with voltage levels below 500V and current levels below 1KA. The unfilled sealed fuse installs the melt into a sealed cylinder, with slightly lower breaking capacity, and is used in power grids or distribution equipment below 500V and 600A.

Quick fuse: Quick fuse is mainly used for short-circuit protection of semiconductor rectifier components or rectifier devices. Due to the low overload capacity of semiconductor components. It can only withstand large overload currents in a very short period of time, so short-circuit protection is required to have the ability to quickly fuse. The structure of a fast fuse is basically the same as that of a filler sealed fuse, but the material and shape of the melt are different. It is a variable cross-section melt with a V-shaped deep groove punched from silver sheets. Fast fuse, commonly referred to as "fast melting", is characterized by fast melting speed, high rated current, strong breaking capacity, stable current limiting characteristics, and small size.

Self healing fuse: using sodium metal as the melt, it has high conductivity at room temperature. When a short circuit fault occurs in the circuit, the short-circuit current generates high temperature, causing sodium to rapidly vaporize, and the vaporized sodium exhibits a high resistance state, thereby limiting the short-circuit current. After the short-circuit current disappears, the temperature drops and the metallic sodium returns to its original good conductivity. Self resetting fuses can only limit short-circuit current and cannot truly break the circuit. Its advantage is that there is no need to replace the melt and it can be reused.

Performance comparison between fuses and circuit breakers