290 sleeve is mainly used in the inflatable ring network cabinet. it can effectively seal the cabinet insulation medium, with strong support fixed effect, make the switch cabinet and cable more effectively connected, its rated current can be 630A-1250A, voltage level can be used for 12kV and 24kV; casing choose high quality epoxy resin and copper conductive rod, using no local induction network, can shield grounding or connect live display.
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Product name |
1#290 casing |
2#290 casing |
3#290 casing |
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Rated current |
630A |
630A |
1250A |
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Rated voltage |
12/24kV |
12/24kV |
12/24kV |
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Partial discharge |
14.4-26.4KV≤10PC |
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Power frequency withstand voltage |
42-68kV/min |
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Capacitance value |
18±3PF |
18±3PF |
26±3PF |
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Scope of application |
Inflation tank |
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Size A |
SΦ25 |
SΦ30 |
SΦ30 |
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Size B |
SΦ25 |
SΦ25 |
SΦ30 |
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remark |
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