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.
Product name
1#290 casing
2#290 casing
3#290 casing
Rated current
630A
630A
1250A
Rated voltage
12/24kV
12/24kV
12/24kV
Partial discharge
14.4-26.4KV≤10PC
Power frequency withstand voltage
42-68kV/min
Capacitance value
18±3PF
18±3PF
26±3PF
Scope of application
Inflation tank
Size A
SΦ25
SΦ30
SΦ30
Size B
SΦ25
SΦ25
SΦ30
remark
