• RHB type Live tank SF6 gas circuit breaker
RHB type Live tank SF6 gas circuit breaker
discuss personally
RHB-363
RHB-252
RHB-170
RHB-123/145
RHB-72.5
RHB-52
Basic info
Brand ROCKWILL
Model NO. RHB type Live tank SF6 gas circuit breaker
Rated voltage 252kV
Rated frequency 50/60Hz
Series RHB
Product Detail

Description ：

The RHB type Live tank SF6 gas circuit breaker is specifically designed for outdoor high - voltage environments. Utilizing self - blast arc - extinguishing technology and taking advantage of the excellent insulating and arc - extinguishing properties of SF₆ gas, it can quickly quench arcs, ensuring the efficient interruption of fault currents. With a compact and robust structure, it can adapt to various harsh weather conditions. It boasts high reliability and a long service life, which can significantly reduce maintenance frequency, making it a key device for enhancing the safety and stability of power systems.

Main function introduction:

  • SF6 gas is used for arc extinguishing

  • Monitor with a pointer-type density relay

  • Adopt the self-blast arc extinguishing principle

  • Adopt pointer-type density relays for pressure and density monitoring

Technology parameters:

RHB-52

image.png

RHB-72.5

image.png

RHB-123/145

image.png

RHB-170

image.png

RHB-252

image.png

RHB-363

 image.png   

Device structure:

RHB-52

image.png

RHB-72.5

80.jpg

RHB-123/145

81.jpg


RHB-170

85.jpg

RHB-252


82.jpg

RHB-363

image.png

Q:What is a SF6 circuit breaker?

A:An SF6 circuit breaker is a type of high-voltage circuit breaker that uses sulfur hexafluoride (SF6) gas as the arc extinguishing and insulating medium. It can safely interrupt electrical current and isolate electrical circuits.

Q:What is SF6 used for?

A:SF6 (sulfur hexafluoride) is mainly used as an arc extinguishing and insulating medium in high-voltage electrical equipment like circuit breakers, switchgear, and transformers. It's also used in some types of high-voltage transmission and distribution systems, and in some industries for leak detection and as a tracer gas due to its stability and unique properties.

Other recommendations
More
New Knowledges
More
Photoelectric Tachometer
Photoelectric Tachometer
Definition: A photoelectric tachometer is a device that measures the rotational speed of a machine's shaft or disc by utilizing light. Its essential components include an opaque disc with holes along its periphery, a light source, and a light - sensing element (it should be noted that the original text's mention of "laser" might be a misnomer; typically, a photodetector is used. A laser could be a part of some more complex set - ups, but not in a basic photoelectric tachometer configuration). Th
Encyclopedia
03/08/2025
Electron capture detector(ECD) method for sf6 gas switchgear
Electron capture detector(ECD) method for sf6 gas switchgear
An electron capture detector (ECD) is a highly sensitive instrument capable of detecting sulfur hexafluoride (SF6) at concentrations below 1 ppmv. This sensitivity stems from SF6's high electron attachment coefficient, which refers to its strong ability to capture electrons. The free electrons available for attachment to SF6 molecules are generated by a radioactive source within the ECD. Typically, the ECD employs a radioactive emitter in the form of a metallic membrane coated with the radionucl
Edwiin
03/08/2025
Why does the open-circuit test gives core losses while short-circuit test gives copper losses?
Why does the open-circuit test gives core losses while short-circuit test gives copper losses?
Open circuit tests and short circuit tests are two fundamental methods used in transformer testing to separately determine core losses and copper losses.Open Circuit Test (No-Load Test)In an open circuit test, a rated voltage is typically applied to one winding while the other winding is left open. This setup is primarily used to measure core losses for the following reasons:Core losses mainly consist of hysteresis losses and eddy current losses, which occur in the transformer's core. When an AC
Echo
03/07/2025
What is the reason why voltage transformers often explode?
What is the reason why voltage transformers often explode?
Over - voltage and Over - current Aspects Ferroresonant over - voltage: In a non - effectively earthed neutral system, the magnetic circuits of equipment such as transformers, voltage transformers, and arc suppression coils may saturate, potentially triggering ferroresonance. The resulting over - voltage can increase the excitation current of the voltage transformer by dozens of times. Operating under high voltage and large current for an extended period causes the temperature of the transformer
Encyclopedia
03/07/2025
Free Download Now
Wone is dedicated to serving the personnel in the global power industry.
Join WONE, not only can you discover power equipment and power knowledge, but also can find like-minded friends!
Google App Store Apple App Store Huawei App Store Xiaomi App Store App Store App Store App Store App Store
Message
Email
Inquiry
Inquiry