Switching Suits LV MV HV | Arc Flash Clothing Kit 9 Cal

Arc Flash Clothing Kit 9 Cal | Switching Suits PPE
Switching Suits
Arc Flash Clothing Kit 9 Cal
STRATA SKU – SFX866 Arc Flash Clothing Kit (9 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.
9 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 (9 cal/cm²) kit consists of:
- 1-piece Arc Flash Overall | Lightweight inherent overall with plenty of pockets, concealed zip fastening and reflective striping for enhanced safety and visibility
- 1-piece Arc Flash Helmet | Full face visor with chinguard and unique True-colour® real view vision
- 1-piece Arc Flash Balaclava | Head and neck protection, made of merino wool for superb comfort
- 1 pair Arc Flash Gloves | Engineers gloves made of high quality goat skin for dexterity
- 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 Helmet
STRATA SFX866 Classic 9.2cal Arc Flash Protection & Switching Suit (Class 1 | ARC Category 2 | ATPV 9.2cal) – 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 9 Cal
STRATA Arc Flash Clothing Kit (9 cal/cm²)
Technical Specification
- STRATA Part Code: SKU – SFX866
- ATPV 9.2 cal/cm2
- Class 1 Category 2
- 100% Inherent
Arc Flash Kit Composition
- Inherent Fabric: 54% Modacrylic, 44% Cotton, 2% Antistatic
- Switching Suit Weight: 200gm / 5.9 oz
- Colour: Navy
- Sizes: XS – 4XL (Short, Regular, Tall)
-
Arc Flash Standards
- EN61482-l-2 Class 1 (4KA)
- EN61482-l-l 9.2cal (ARC Category 2)
- EN11612 Al+A2, Bl, Cl, Fl (Flame Resistant)
- EN13034 Type 6 (Chemical Resistant)
- EN1149-5 (Anti-static)
- DIN EN 166:2001
- DIN EN 170:2002
- AS TM F2178- AT PV 12cal
- NFPA 70E
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