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Did you know that not all electrical insulating rubber mats are the same?
Each one is designed to handle different voltage levels according to the international safety standard IEC 61111:2009.
This standard plays a vital role in ensuring safety in high-voltage environments — preventing electric shock and protecting both personnel and equipment.
Today, ElectroMer® will help you understand each Class (0–4) easily in one article — including how to choose the right Class for your specific application.
IEC 61111:2009 – The Global Standard You Can Trust
มาตรฐาน IEC 61111:2009 is the international standard for Electrical Insulating Rubber Mats,
used for flooring in high-voltage control rooms, MDB rooms, substations, and power distribution areas
to protect operators from electrical shock and leakage current.
Every roll of ElectroMer® insulating rubber mat
is fully tested and certified under IEC 61111:2009, covering Class 0 to Class 4
delivering safety and reliability at a global standard.

ElectroMer® | Certified Safety. Proven Protection.
Class 0 – Low Voltage Protection
Safe for voltage up to 1,000 V
Designed for low-voltage environments such as MDB rooms and small industrial machines.
Each mat is tested at Withstand Voltage 10,000 V AC under IEC 61111:2009 to ensure full protection.

Low Voltage Protection
Choose ElectroMer® Class 0 for enhanced safety in MDB rooms and all low-voltage zones.
Class 1 Class 2 – Medium Voltage Protection
Reliable protection for medium-voltage applications
Class 1: Up to 7.5 kV AC
Class 2: Up to 17 kV AC
Perfect for switch rooms, electrical substations, control centers, and testing areas that require mid-level voltage protection.

Medium Voltage Protection
ElectroMer® — Reliable in every working condition.
Class 3 Class 4 – High Voltage Protection
Maximum protection for high-voltage operations
Class 3: Up to 26.5 kV AC
Class 4: Up to 36 kV AC
Best suited for power plants, transmission stations, and heavy-duty energy facilities that demand the highest level of insulation and operator safety.

High Voltage Protection
ElectroMer® Class 3 Class 4 — Designed for energy professionals who demand absolute safety.
Choosing the Right Class = Controlling Your Safety

ElectroMer® | Certified by IEC 61111:2009 – Safety Beyond Expectation.
Why Choose ElectroMer® Electrical Insulating Rubber Mats?
ElectroMer® — IEC-certified insulating mats that deliver complete protection, safety, and service excellence.
Stand with confidence on ElectroMer® Electrical Insulating Rubber Mats
because your safety is our mission.
Contact us:
LINE: @ptirubber | Email: info@ptigroups.com