Ipr

Bushing insulators

  • Bushing insulators
The insulators IP-M12-1140 and IP-M20-1140 are designed to isolate and fix current-carrying parts, and to transfer electrical energy between the chambers of explosion-proof enclosures of explosion-proof electrical equipment with voltages up to 1140 V AC and frequency of 50 Hz.

Insulator type

IP-M12-1140

IP-M20-1140

Rated working voltage, V

1140

Power frequency, Hz

fifty

Rated current A

320

63

Insulation resistance MOhm under normal climatic conditions, not less than

8

Torque, N×m, not less than

25

85

Creepage distance, mm, not less than

32

Insulation Materials

Polyester premix

Dimensions, mm, nothing more:

-Length

-Diameter (maximum)



131

45



126

54

Working temperature, °С

-20 ... +40

Placement categories that meet GOST 15150-69

5.1

Weight, kilograms, nothing more

0.35

0.73