Insulating Mats – ASTM D178 ANSI JS.7 Type 1 For LV MV HV Switchgear & Switchboard Applications
ASTM D178 ANSI JS.7 Type 1
Electrical Matting
Insulating Mat Description
- Insulating Mats
- Class 1, 2, 3, 4
- Test Voltages 20kV, 30kV, 40kV, 50kV
- 7.5kV, 17kV, 26kV, 36kV Working Voltage
Application of Electrical Insulating Matting
Electrical Safety & Protection – for LV MV HV Switchgear & Switchboard Applications. Typically used in conjunction with insulating gloves to provide worker protection against electric shock during installation and maintenance of switchgear/switchboards.
âž¡ See full range of Switchgear & Switchboard Mats.
Electrical Mat Characteristics
- Product – Insulating Matting For Switchgear & Switchboard Applications
- Mat Thickness – 4.5mm-12.7mm
- Insulating Mat Part Number – SM552-555
- Test Voltages – 20,000V, 30,000V, 40,000V, 50,000V
- Class – 1,2,3,4
- Working Voltages – 7,500V, 17,000V, 26,000V, 36,000V
Thorne & Derrick distribute Insulating Matting from extensive stocks to UK and Export customers in accordance with BS921, IEC61111, ASTM D178 and other international standards affecting the specification and selection of electrical safety matting for the use in control rooms, plant rooms, switchboards and substations energised at LV MV HV power systems.
ASTM D178 ANSI JS.7 Type 1 Matting
Selection Table
The following table provides an overview of the Class 1 to Class 4 types of electrical rubber insulating mats available in accordance with ASTM D178 ANSI JS.7 Type 1 specification:
| Matting Specification ASTM D178 ANSI JS.7 TYPE 1 |
Test Voltage Of Electrical Mats |
Maximum Allowable Working Voltage |
Matting Rubber Thickness (mm) |
Thorne & Derrick Part Number |
| Class ‘1’ Matting | 20,000 Volts (20kV | 7,500 Volts (7.5kV) | 4.5mm | SM552-01 |
| Class ‘2’ Matting | 30,000 Volts (30kV) | 17,000 Volts (17kV) | 6.5mm | SM553-02 |
| Class ‘3’ Matting | 40,000 Volts (40kV) | 26,000 Volts (26kV) | 9.5mm | SM554-03 |
| Class ‘4’ Matting | 50,000 Volts (50kV) | 36,000 Volts (36kV) | 12.7mm | SM555-04 |
| Matting Roll Dimensions | Matting Class | Weight Per Mat Kg/M² |
| 0.9m x 18.3m x 4.5mm | Class 1 | 6.3 |
| 1.2m x 18.3m x 4.5mm | Class 1 | 6.3 |
| 0.9m x 18.3m x 6.5mm | Class 2 | 8.9 |
| 1.2m x 18.3m x 6.5mm | Class 2 | 8.9 |
| 0.9m x 10.0m x 9.5mm | Class 3 | 13.8 |
| 0.9m x 10.0m x 12.7mm | Class 4 | 18.0 |
MV-HV insulating matting also available for safe working on switchgears/switchboards up to 33kV.
Insulating Matting | Electrical Safety & Protection for Low, Medium & High Voltage Switchgear
CATU Electrical Safety MV HV
T&D stock and distribute the complete range of CATU Electrical Safety Equipment.
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