Generator Rotor Slot Insulation

Class F ground insulation made to withstand the toughest winding environments and the harshest operating conditions.

A highly engineered laminate made from epoxy glass, aramid paper and a unique dielectric film, designed to withstand the toughest winding environments and the harshest operating conditions. We craft each liner to meet the most rigorous dimensional standards.PactLam rotor slot insulation is designed expressly for use in utility-scale electrical generators.

PactLam F385 Slot Liner, 1mm T Typical Values
Property	Value
Dielectric strength,KV/mmIEC 243	>30
Temperature class,IEC 85	H
Flexural strength,cross direction ASTM D790-3, N/mm2	>300
Flexural modulus,cross direction,ASTM D790-3, N/mm2	>13,500
Flexural strength,length direction,ASTM D790-3, N/mm2	>440
Flexural modulus,length direction,ASTM D790-3, N/mm2	>16,500
Shrinkage,%24 hrs @ 160°C	<0.02

General Properties Exceptional electrical insulation propertiesClass H temperature rating, 180°C        Low coefficient of friction                                          Durable construction with flexible design             High strengthConfigurationStandard sizes in stock                           U-shaped and L-shaped configurationsLengths up to 10,000 mm Leg widths up to 38 mm * 254mmThickness up to 3.8 mm

We meet customers’ specific requirements with a variety of constructions, and regularly accept custom size and rapid delivery requests. Ask for our standard construction data sheets, or give us your specific requirements to meet your demand.

Generator Rotor Slot Insulation