Insulating Mats – ASTM D178 ANSI JS.7 Type 1 For LV MV HV Switchgear & Switchboard Applications
ASTM D178 ANSI JS.7 Type 1
Insulating Mat Description
- Insulating Mats
- Class 1, 2, 3, 4
- Test Voltages 20kV, 30kV, 40kV, 50kV
- 7.5kV, 17kV, 26kV, 36kV Working Voltage
Application
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.
➡ See full range of Switchgear & Switchboard Mats.
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
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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Voltage Detectors | Phase Comparators | Insulating Poles | Portable Earthing | LV MV HV
