33-36kV SF6 Load break switch

33-40.5 kV

SF6 Disconnect switch

Product parameters:

· Indoor switchgear installation
· Three phase three wire
· Rated voltage:33kV, 35kV, 36kV, 40.5kV
· Rated current: 630-800A
· Short-circuit breaking current: 25kA
· Short-circuit closing current(peak): 62.5kA
· Standard: IEC, ANSI, GB
· Type name: UNFLN-36


UNFLN-36 series indoor SF6 load break switch is a three-phase AC 50-60Hz, rated voltage of 33kV, 35kV, 36kV and 40.5kV indoor switchgear, control and protection for industrial and mining enterprises, power plants and substations, electrical facilities, and for frequent operation place.

High quality breaker shell made by APG. full copper inside operating mechanism and low resistance on connection part.

Reliable operation mechanism uses for both incoming panel and feeder panel. 

Visible window design can see inside mechanism of SF6 tank of break. High purity of SF6 guarantee insulation, double quality test for prevent gas leakage.

It works in XGN switchgear and UNARMU

All UNISUN Electric breaker are in conformity with IEC standards, and recommendations IEC60694、IEC6227-100. Breakers in conformity with specific country standards can also be supplied. (IEEE, GB).

Specification data sheet

Rated voltage(kV)7.2122436
Insulation level
50 Hz,1 min
(kV rms)
(kV peak)
Short-time withstand current
Short-time withstand current
Disconnector (kA1 s)25630-1250A1250A
20630- 1250A
16630- 1250A
12.5630- 1250A
Maximum breaking capacity 
Transformer off load[A)16
Cables off load(A)31.550
Switch (A)630
  • Products can be customized by customer requirements, above data is standard data, customized data please contact us.

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