FRISTADS Flame Trousers Hi-Vis cl 1 2051 FBPA Yellow/Navy

Fristads Flame high vis trousers cl 1 2051 FBPA flame resistant high visibility arc flash protective workwear

SKU: FRIS 2051

Fristads Flame Trousers Hi-Vis cl 1 2051 FBPA in Yellow/Navy are arc-rated, flame-retardant work trousers for substation and switchroom personnel. Tested to EN 61482-1-2 class 1 with an ATPV of 13 cal/cm², they combine hi-vis visibility to EN ISO 20471 class 1 with practical storage and knee pad pockets for daily site work.

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The Fristads 2051 FBPA is a pair of arc-rated, flame-retardant hi-vis trousers built on Fristads’ FlamTech fabric, rated to EN 61482-1-2 class 1 with an ATPV of 13 cal/cm² under EN 61482-1-1. They suit authorised persons, utility crews and contractors who need arc flash and flame protection with high visibility in one garment, whether switching in a substation or working near a live site compound.

Arc and Flame Ratings

The trousers carry a broad set of confirmed certifications, which makes them straightforward to specify against an arc flash study or site PPE matrix:

EN 61482-1-2 class 1 (box test) for protection against the thermal hazards of an electric arc
EN 61482-1-1 ATPV 13 cal/cm², HAF 81% (open arc test)
EN ISO 11612 A1 A2 B1 C1 E2 F1 for heat and flame protection
EN ISO 11611 A1 A2 class 1 for welding and allied processes
EN 1149-5 electrostatic properties
EN ISO 20471 class 1 high visibility

If you are unsure how an ATPV figure maps to the incident energy on your switchroom labels, our guide on what arc flash is explains the basics, and the wider arc flash protection range covers matching jackets, coveralls and face protection.

Fabric and Construction

The FlamTech fabric is 65% FR cotton, 34% polyester and 1% anti-static fibres at 350 g/m². The trousers are leasing laundry-tested to ISO 15797, so they stand up to industrial washing without losing their protective properties, which matters if your PPE goes through a managed laundry contract.

Practical Details

Feature	Detail
Pockets	2 front, 2 back with flap, leg pocket with flap, phone pocket with velcro and concealed ID card holder, folding rule pocket
Knees	Pre-shaped knees, knee pockets with opening for height-adjustable knee pads
Sizes	Regular C44-C64, Tall C146-C156, Short D84-D120 (D84-D120 made to order)
Colour	171 Hi-Vis Yellow/Navy

FAQs

Are these trousers suitable for MV switching?

They are rated to EN 61482-1-2 class 1 with an ATPV of 13 cal/cm², suiting tasks where your assessment shows incident energy at or below that level. Always match the garment rating to your equipment label or study, and pair with an equivalently rated jacket, face protection and gloves.

Can they be industrially laundered?

Yes. They are leasing laundry-tested to ISO 15797, so they tolerate industrial washing. Follow the care label and your laundry provider’s FR garment process, and avoid fabric softeners or bleach, which can compromise flame-retardant and anti-static performance.

Not exactly what you are looking for? Contact us with your exact requirements, we’re happy to help.

FRISTADS Flame Trousers Hi-Vis cl 1 2051 FBPA Yellow/Navy - Class 1, 13 cal/cm²DATASHEET

For additional technical details about the FRISTADS Flame Trousers Hi-Vis cl 1 2051 FBPA Yellow/Navy - Class 1, 13 cal/cm² please refer to the product datasheet. Please note that you would need PDF reader to open the file.

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