Page 608 - Wago_Rail-MountedTerminalBlockSystems_Volume1_2015_US.pdf

14 Material Specifications

606
Insulation Materials

WAGO primarily uses polyamide (PA 6.6 and PA 4.6) as carriers for current-conducting parts and polycarbonate (PC) as insulating
material (see table). These materials have proven their value in WAGO products for more than 40 years and are approved by leading
authorities.

Table: Standard Insulating Materials

Material PA 6.6 PA 6.6 GF PPA GF PA 4.6 PC PC

Flammability
UL 94 flammability test ratings V0 V0 V0 V2 V2 V0

Glow-wire test to 960 °C 960 °C 960 °C 750 °C 800 °C 960 °C
IEC 60695-2-12 GWFI 775 °C 775 °C 775 °C 725 °C 850 °C 850 °C
IEC 60695-2-13 GWIT (725 °C)
Comparative Tracking Index (CTI) to IEC 600 V 600 V 600 V 375 V 225 V 225 V
60112

RTI impact to UL 746B 105 °C 100 °C 115 °C 115 °C 125 °C 120 °C
Heat deflection temperature (HDT) to ISO 130 °C 130 °C
75 (bending stress A*: 1.8 MPa; B: 0.45 215 °C 235 °C 285 °C 280 °C (1.8 MPa) (1.8 MPa)
MPa)
Surface resistance to 60093 10 Ω 10 Ω 10 Ω 10 Ω 10 Ω 10 Ω
15
12
12
15
15
13
10 Ω/ 10 Ω/ 10 Ω/ 10 Ω/ 10 Ω/ 10 Ω/
13
13
13
11
15
15
Specific contact resistance to IEC 60093
cm cm cm cm cm cm
30 kV/ 40 kV/ 25 kV/ 25 kV/ 25 kV/ 29 kV/
Dielectric strength to IEC 60243-1
mm mm mm mm mm mm