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Medium voltage surge arresters

The top quality of all types of MV surge arresters is ensured by:

  • varistors that are directly encased in silicone,
  • rigid construction that allows a torque of Mt=80Nm and                                  cantilever strength Mu=250Nm.
 

All technical and other relevant information - product catalogue (pages from 17 to 27).

Outdoor and indoor installation.

2SS15N - R surge arresters

2SS15N - R surge arresters

Continous operating voltage (AC/DC) Uc 3 - 36 kV
Rated voltage Ur 3,7 - 45 kV
Nominal discharge current (8/20) In 10 kA
Long-duration current 250 A
Short-circuit current 20 kA
Cantilever strenght Mu 250 Nm
Torque Mt 80 Nm
Vertical load Fv 625 N
Creepage distance 360 - 1080 mm
Arcing distance 139 - 396 mm
Height H 147 - 404 mm

Outdoor and indoor installation.

2SS15N - RP surge arresters

2SS15N - RP surge arresters

Continous operating voltage (AC/DC) Uc 3 - 36 kV
Rated voltage Ur 3,7 - 45 kV
Nominal discharge current (8/20) In 10 kA
Long-duration current 250 A
Short-circuit current 20 kA
Cantilever strenght Mu 250 Nm
Torque Mt 80 Nm
Vertical load Fv 625 N
Creepage distance 262 - 971 mm
Arcing distance 139 - 396 mm
Height H 129 - 386 mm

Indoor installation.

2SS15N - RO surge arresters

2SS15N - RO surge arresters

Continous operating voltage (AC/DC) Uc 3 - 36 kV
Rated voltage Ur 3,7 - 45 kV
Nominal discharge current (8/20) In 10 kA
Long-duration current 250 A
Short-circuit current 20 kA
Cantilever strenght Mu 250 Nm
Torque Mt 80 Nm
Vertikalna sila Fv 625 N
Creepage distance 491 - 1211 mm
Arcing distance 257 - 517 mm
Height H 129 - 386 mm

Indoor installation.

2SS15N - NO surge arresters

2SS15N - NO surge arresters

Nominal discharge current (8/20) In 10 kA
Continous operating voltage (AC/DC) Uc 3,7 - 45 kV
Rated voltage Ur 3 - 36 kV
Long-duration current 250 A
Short-circuit current 20 kA
Cantilever strenght Mu 250 Nm
Torque Mt 80 Nm
Vertical load Fv 625 N
Creepage distance 243 - 500 mm
Arcing distance 215 - 482 mm
Height H 129 - 386 mm

Connectors and brackets for MV surge arresters 2SS15N

Basic connector

Basic connector

Material Stainless steel A2
Set 2x Screw M12x25 2x Plain washer M12 2x Spring washer M12
Torque Mt 60 Nm
Mass 0,2 kg
Connector with hex screw

Connector with hex screw

Material Stainless steel A2
Set Screw M12x25Hex screw M12x60Nut M12Plain washer M12 Spring washe
Torque Mt 60 Nm
Mass 0,25 kg

A factory set contains MV surge arresters 2SS15N-R or 2SS15N-RP. 

Catalogue, page 27.

2SS15N with insulating bracket and disconnector

2SS15N with insulating bracket and disconnector

Name 2SS15N with insulating bracket and disconnector