Copper winding wires PB, PBn
Copper winding wires rectangular and round with paper insulation of heat resistance class of 105 and 120 ° C: PB, PBn

TU Ukraine 31.3 — 31806384 — 003 – 2004
Type | Side "A", mm | Side "B", mm |
PB, PBn | 1,0 — 5,6 | 3,0 — 19,5 |
Wires of heat resistance class A (105 ° C) (PB) are intended for the manufacture of windings of electrical machines, devices and transformers , and with insulation of heat resistance class E (120 ° C) (PBN) for the manufacture of windings oil transformers with increased service life .
The nominal diametral thickness of the insulation (D-d) of round wires of the grades PB, PBN is:
The nominal diametral thickness of the insulation (D-d) of round wires of the grades PB, PBN is:
- 0,30; 0,55; 0,72; 0,96; 1,20; 1,68; 1,92; 2,88; 4,08; 5,76 mm.
- 0,45; 0,55; 0,72; 0,96; 1,20; 1,35; 1,68; 1,92; 2,48; 2,96 mm.