Switching Suits LV MV HV | Arc Flash Clothing Kit 100 Cal

Arc Flash Clothing Kit 100 Cal | Switching Suits PPE
Switching Suits
Arc Flash Clothing Kit 100 Cal
STRATA SKU – SFX120 Arc Flash Clothing Kit (100 cal/cm²) is a comfortable, lightweight arc flash jacket and protective coverall kit, or switching suit, typically used by Service Engineers and SAP’s working on LV MV HV switching operations – the switching suits are generally used to provide personal protection to workers undertaking maintenance, repair and operations on Low & High Voltage Power Systems in accordance with the site calculated arc flash risk.
100 cal/cm² refers to the units of incident energy that the PPE and arc flash suits can withstand – should you require guidance on selection and use of an Arc Flash Calculator please call Thorne & Derrick.
Arc Flash Switching Suit & Clothing Kit (100 cal/cm²) kit consists of:
- 1-piece Arc Flash Jacket | Full length Arc Flash 100cal Jacket
- 1-piece Arc Flash Visor | Full True-Colour® visor hood with ventilation system
- 1-pair Arc Flash Trousers |100 Cal bib trousers with adjustment
- 1-pair Arc Flash Mitts
- 1-piece Storage Bag |with pockets and shoulder strap for easy transport and storage
View complete range of arc flash clothing.
- 25 Cal Arc Flash Protection
- 40 Cal Arc Flash Protection
- 65 Cal Arc Flash Protection
- 100 Cal Arc Flash Protection
- Arc Flash HelmetSTRATA SFX120 Classic 100cal Arc Flash Protection & Switching Suit – complete range of full certified PPE outfits to provide total protection against arc flash risks for wearers working on or near live electricity (energised), at LV, MV HV power systems. Thorne & Derrick are the UK’s leading Specialist Distributor of Electrical Safety Equipment to clients working in the Power Transmission & Distribution industry in the onshore and offshore wind, solar, rail, oil/gas, data centre, battery storage and utility sectors.
Arc Flash Clothing Kit 100 Cal
STRATA Arc Flash Clothing Kit (100 cal/cm²)
Technical Specification
- STRATA Part Code: SKU – SFX120
- ATPV 100cal/cm2
Arc Flash Kit Composition
- APT Fabric: 88% Cotton, 12% Nylon. Inherent Flame Retardant Thawad throughout. Triple layer construction: 14oz outer, 250gsm, meta aramid FR lining & 14oz inner.
- Colour: Royal Blue
- Sizes: S – 5XL
Arc Flash Standards
- ASTM F2178-12
- ASTM F2675-13
- DIN EN 166:2001
- DIN EN 170:2002
- ASTM Fl959
- IEC 61482-1-2:2014
- EN ISO 11612:2015
- EN ISO 11611:2015
- NFPA 70E
- ATPV = l00cal
STRATA SFX120 Classic 100cal Arc Flash Protection & Switching Suit – complete range of full certified PPE outfits to provide total protection against arc flash risks for wearers working on or near live electricity (energised), at LV, MV HV power systems. Thorne & Derrick are the UK’s leading Specialist Distributor of Electrical Safety Equipment to clients working in the Power Transmission & Distribution industry in the onshore and offshore wind, solar, rail, oil/gas, data centre, battery storage and utility sectors.
Arc Flash Overalls Sizing Guide
When measuring for our arc flash overalls, ensure you use both of the size charts to work out the waist size and leg size you will need.
Overalls/Coveralls | ||||||||
Nordic Sizes | C42 – C45 | C46 – C50 | C50 – C54 | C56 – C58 | C58 – C62 | C62 – C66 | C66 – C70 | C70 – C74 |
Global Sizes | XS | S | M | L | XL | 2XL | 3XL | 4XL |
Chest Size (cm) | 84 – 92 | 92 – 100 | 100 – 108 | 108 – 116 | 116 – 124 | 124 – 132 | 132 – 140 | 140 – 152 |
Chest Size (inch) | 33 – 36 | 36 – 39 | 39 – 42 | 42 – 47 | 47 – 49 | 49 – 52 | 52 – 55 | 55 – 60 |
Leg Length | ||
Short | 70 – 75 (cm) | 27.5 – 29.5 (inches) |
Regular | 75 – 80 (cm) | 29.5 – 31.5 (inches) |
Large | 80 – 85 (cm) | 31.5 – 33.5 (inches) |
Arc Flash Garment Care
Make your garments last longer by doing the following:
- Arc flash clothing should be cleaned regularly.
- Professional laundering is recommended by a STRATA approved launderette.
- Wash separately from non-FR garments.
- A label with appropriate cleaning instructions is affixed within your garment.
- Never use a heavily soiled garment.
- Garments with reflective tape should be washed and dried at a lower temperature

Guide To Measure Gloves
Step 1: Measure across the bridge of your knuckles on the front of your hand – see also arc flash gloves and insulating gloves.
Step 2: Pass the tape measure around the palm of your hand as one complete measurement – this measurement represents your glove size e.g. some gloves 8″ represents size 8). Please refer to Size Chart below:
Size | Hand | |
cm | inches | |
S | 17.5 | 7 |
M | 20 | 8 |
L | 22.5 | 9 |
XL | 25 | 10 |
2XL | 27.5 | 11 |
3XL | 30 | 12 |

Arc Flash Clothing PPE | LV MV HV Switching | Medium Voltage | High Voltage