KYN28-12 Metal-clad indoor movable switchgear
KYN28-12 indoor communication metal armoured open switchgear(hereinatter referred to as the switchgear), department ofthree-phase ac50hz single busbar and double bus section system of indoor complete sets of power distribution equipment, applicable to power plants, substations, and industial and mining enterprises of rated voltage 3.6~12kv power grid, as acceptance and distribution of electrical energy, and the circuit implementation ofcontrol, protection and monitoring.Switch cabinet can be used both domestic well-known brand vacuum circuit breaker(VS¹series, for example), and can choose the intermational well-known brand vacuum circuit breaker(such as ABB VD4 series, the series of Siemens 3ae, schneider company HVX series), can also beinstaled isolation devices or below 12 kv vacuum contactor, complete sets of equipment can meet the requirements of power grid forhigh voltage switchgear, and is suitable for "ive prevention"and the full process, fuly enclosed, the insulation condition, it isa kind of superior performance ofthe power distribution device.
High-voltage SwitchgearUse Conditions
Technical Parameters
|
Item |
Unit |
Data |
|
|
Rated voltage |
KV |
3, 6, 10 |
|
|
KV |
3, 6, 7, 2, 12 |
||
|
Rated insulation level |
Power-frequency withstand voltage 1min |
KV |
42 |
|
lightning impulse voltage |
KV |
75 |
|
|
Rated frequency |
Hz |
50 |
|
|
Rated current ofmain bus |
A |
6301250, 1600, 2000, 2500, 3150, 4000 |
|
|
Rated current of branch bus |
A |
630, 1250, 1600, 2000, 2500, 3150,4000 |
|
|
Thermal Stable Current 3s(effective Value) |
KA |
16, 20, 25, 31. 5, 40, 50 |
|
|
Rated dynamic stable current(peak) |
KA |
40, 50, 63, 80, 100, 125 |
|
|
Degree Of Protection |
IP4X, 、IP2XEnclosureisIP 4X, whenthe door is open, the inter-comp- artment and the circuit breaker compartment are IP 2X. |
||
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