Chicago Protective Apparel SWB-43, 43 Cal Arc Flash Ultra Soft Bib Overall
- Made with three-ply Ultra Soft®
- ATPV = 43 cal / sq. cm.
SWB-40 Discontinued, Replaced by SWB-43 Higher Cal Rating
Look for Arc Hood, Jackets, Coats, Pants, Bibs, Legging, Coveralls & Hooded Jackets
43 Cal for Level 4 Risk Hazards.
Other Cal counts are available upon request
The Intense energy and very short duration of an electric arc flash represents a very unique exposure. Everyday work clothes made from regular cotton or poly/cotton fabrics, regardless of weight, can be readily ignited at some exposure level and will continue to burn adding to the extent of injury sustained from the arc alone. NFPA 70E now requires employees to wear flame resistant (FR) protective clothing that meets the requirements of ASTM F1506 wherever there is possible expousre to an electric arc flash. It requires employers to perform a flash hazard analysis to determine the flash protection boundary distance.
The standard is designed to protect employees working inside these flash protection boundaries by requiring protective clothing for the corresponding Hazard/Risk Category that has an ATPV of at least the value listed in the "protective Clothing Characteristics" section of the standard. OSHA has confirmed that garments which meet the requirements of ASTM F1506 are in compliance with OSHA 29 CFR 1910.269 Electircal Power Generation, Transmission & Distribution, with regard to garments not contributing to burn severity.
The Man Store offers Cal ratings as high as 107.