RDV6-12 Indoor high-voltage AC vacuum circuit breaker

RDV6-12 series high-voltage AC vacuum circuit breaker is a powerful three-phase AC12kV indoor switchgear, specially designed for the protection of electrical equipment in industrial and mining enterprises. The equipment can reliably realize the protection functions of open circuit, load current, overload current and short circuit protection current to ensure the safe operation of electrical equipment.

RDV6-12 series high-voltage AC vacuum circuit breaker has the following characteristics:

1. High-voltage protection capability: the circuit breaker is applicable to high-voltage protection under 12kV voltage level, and can effectively protect the equipment from the impact of high-voltage current.

2. Reliable protection function: the equipment can realize the protection function of open circuit, load current, overload current and short circuit protection current, to ensure that the equipment can cut off the current in time under abnormal conditions and protect the equipment from damage.

3. Frequent work and occasions with multiple circuit breakers and short circuits: the circuit breaker is suitable for frequent work under rated working current or occasions with multiple circuit breakers and short circuits to ensure the safe operation of the equipment under various conditions.

4. High reliability: RDV6-12 series high-voltage AC vacuum circuit breaker adopts reliable vacuum circuit breaker technology, which has high reliability, reduces equipment damage and failure, and extends the service life of the equipment.

5. Simple installation and maintenance: the equipment is easy to install and maintain, reduces the cost of equipment maintenance, and improves the operating efficiency of the equipment.

RDV6-12 series high voltage AC vacuum circuit breaker is a highly reliable and high-performance protection device, which can reliably protect electrical equipment from the impact of high voltage current and ensure the safe operation of equipment. It is widely used in industrial and mining enterprises and other fields requiring high voltage protection.

Model Definition

Environment

a) Temperature: Max +40C, Min -10C(30C, storage and transportation)
b) Altitude: Max 2000m. The special require shall consult with us.
c) Relative humidity: day average shall no more 95%,month average shall no more90%. And saturated vapor pressure day average shall no more than 2.2kPa,monthaverage no more than 1.8kPa. And in the high humidity date,turns cold, the
condensation is acceptable.
d) Earthquake level: no more than 8 level
e) Install location: without fire,explosion, dust, chemical corrosion,obvious

Basic function and characteristic

1.Vacuum arc extinguishing chamber adopts Cu Cr contact material ,and Cup-shaped contactstructure of longitudinal magnetic field which has small wear rate, Stable dielectric strengthrapid recovery after arc extinguishing,low closure level, strong make and break strength,longelectrical life.
2.Between the insulation pole and the ceramic shell of the vacuum arc extinguishing chamber.Using fluid silicon rubber buffer,increase the impact withstand performance, An umbrellaskirt with a large climbing distance on the surface of the pole pillar, to improve the powerfrequency withstand voltage and lightning impulse withstand voltage, can meet the high-altitude area main technical requirement.
3.Operate mechanism is Spring energy storage mechanism of plane arrangement,has themanual storage and motor storage functions, to improve the stability of operation.
4.This circuit breaker operate mechanism, also adopted Permanent magnetic actuatormechanism,this mechanism reduces 60% components compares to the regular spring,reducesthe fault rate because of components.

Test positionOperate position

Fig1 drawer type circuit breaker inside electrical principle(anti-tripping,lock,overload)

Mechanical performance see Table2

Operate mechanism technical data see Table3.

Y1: Locking electromagnet Y7-Y9: overload tripping electromagnet KD:Mechanical inside anti-tripping relay
HQ:Closing electromagnet S2 Locking electromagnet travel switch M: energy storage switch S1: energy storage Micro switch
QF:Circuit breaker main contact auxiliary switch TQ: Closing electromagnet

Figure 2 Fixed type circuit breaker inside electrical diagram

Note:

1. The travel of the handcart in the cabinet is 200mm

2. The numbers in parentheses represent the overall dimensions of circuit breakers with a rated current greater than 1600A

Figure 3 Outline dimensions of handcart circuit breaker

RDV6-12 series high-voltage AC vacuum circuit breaker is a powerful three-phase AC12kV indoor switchgear, specially designed for the protection of electrical equipment in industrial and mining enterprises. The equipment can reliably realize the protection functions of open circuit, load current, overload current and short circuit protection current to ensure the safe operation of electrical equipment.

RDV6-12 series high-voltage AC vacuum circuit breaker has the following characteristics:

1. High-voltage protection capability: the circuit breaker is applicable to high-voltage protection under 12kV voltage level, and can effectively protect the equipment from the impact of high-voltage current.

2. Reliable protection function: the equipment can realize the protection function of open circuit, load current, overload current and short circuit protection current, to ensure that the equipment can cut off the current in time under abnormal conditions and protect the equipment from damage.

3. Frequent work and occasions with multiple circuit breakers and short circuits: the circuit breaker is suitable for frequent work under rated working current or occasions with multiple circuit breakers and short circuits to ensure the safe operation of the equipment under various conditions.

4. High reliability: RDV6-12 series high-voltage AC vacuum circuit breaker adopts reliable vacuum circuit breaker technology, which has high reliability, reduces equipment damage and failure, and extends the service life of the equipment.

5. Simple installation and maintenance: the equipment is easy to install and maintain, reduces the cost of equipment maintenance, and improves the operating efficiency of the equipment.

RDV6-12 series high voltage AC vacuum circuit breaker is a highly reliable and high-performance protection device, which can reliably protect electrical equipment from the impact of high voltage current and ensure the safe operation of equipment. It is widely used in industrial and mining enterprises and other fields requiring high voltage protection.

Model Definition

Environment

a) Temperature: Max +40C, Min -10C(30C, storage and transportation)
b) Altitude: Max 2000m. The special require shall consult with us.
c) Relative humidity: day average shall no more 95%,month average shall no more90%. And saturated vapor pressure day average shall no more than 2.2kPa,monthaverage no more than 1.8kPa. And in the high humidity date,turns cold, the
condensation is acceptable.
d) Earthquake level: no more than 8 level
e) Install location: without fire,explosion, dust, chemical corrosion,obvious

Basic function and characteristic

1.Vacuum arc extinguishing chamber adopts Cu Cr contact material ,and Cup-shaped contactstructure of longitudinal magnetic field which has small wear rate, Stable dielectric strengthrapid recovery after arc extinguishing,low closure level, strong make and break strength,longelectrical life.
2.Between the insulation pole and the ceramic shell of the vacuum arc extinguishing chamber.Using fluid silicon rubber buffer,increase the impact withstand performance, An umbrellaskirt with a large climbing distance on the surface of the pole pillar, to improve the powerfrequency withstand voltage and lightning impulse withstand voltage, can meet the high-altitude area main technical requirement.
3.Operate mechanism is Spring energy storage mechanism of plane arrangement,has themanual storage and motor storage functions, to improve the stability of operation.
4.This circuit breaker operate mechanism, also adopted Permanent magnetic actuatormechanism,this mechanism reduces 60% components compares to the regular spring,reducesthe fault rate because of components.

Test positionOperate position

Fig1 drawer type circuit breaker inside electrical principle(anti-tripping,lock,overload)

Mechanical performance see Table2

Operate mechanism technical data see Table3.

Y1: Locking electromagnet Y7-Y9: overload tripping electromagnet KD:Mechanical inside anti-tripping relay
HQ:Closing electromagnet S2 Locking electromagnet travel switch M: energy storage switch S1: energy storage Micro switch
QF:Circuit breaker main contact auxiliary switch TQ: Closing electromagnet

Figure 2 Fixed type circuit breaker inside electrical diagram

Note:

1. The travel of the handcart in the cabinet is 200mm

2. The numbers in parentheses represent the overall dimensions of circuit breakers with a rated current greater than 1600A

Figure 3 Outline dimensions of handcart circuit breaker