High Voltage Porcelain pin insulator SHF-20G1, SHF-20UO

INSTALLATION INSTRUCTIONS

Porcelain pin insulator SHF-20G1, SHF-20UO

1 Purpose and scope of application.

• Porcelain pin insulator SHF-20G1, SHF-20UO is designed for insulation and

fastening of wires on overhead power lines and in switchgears of power plants and substations of alternating current with voltage over 1000 V, frequency 50 Hz at ambient temperature from plus 50 to minus 60.

2 Main technical characteristics.

• Main technical characteristics of the porcelain pin insulator SHF-20G1, SHF-20UOS are listed in table 1

Table 1 Technical characteristics of the porcelain pin insulator SHF-20G1, SHF-20UO.

• The appearance of the porcelain pin insulator SHF-20G1, SHF-20UO is shown in Figure 1

The porcelain linear SHF-20UO pin insulator is designed for insulation and fastening of insulated SIP-3 wires

Rated voltage, kV 20

Minimum mechanical destructive load, kN 13

Withstand voltage 50 Hz (in the rain), kV 45

Withstand voltage in dry condition, kV 85

Breakdown voltage in the insulating medium, kV 160

The length of the leakage path, mm. 325

In the upper part of the insulator, a plastic sleeve is installed in the gutter between the two ledges

, into which the wire is laid during installation. Delivery

of goods with a plastic sleeve.