Safety Direct MK1011115 Arc Breaker AEP Harness

Safety Direct MK1011115 Arc Breaker and Flame Guard Pro harness. Safety Direct's Kevlar-line Class AEP harness for confined space and positioning work around flame, sparks and electrical hazards. It has a dorsal D-ring for fall arrest, shoulder D-rings for extraction and side D-rings for positioning. Flame Guard Pro (G, Q, P) is the flame-resistant welder's version; Arc Breaker (D) is the arc-safe version with dielectric D-rings and pass-through buckles.

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Compliance in Canada: CSA Z259.10-18, Class AEPSafety Direct states its 1011115 harness family, including the Flame Guard Kevlar version (MK1011115), is certified to CSA Z259.10-18 and meets or exceeds ANSI/ASSE Z359.11-2021 and OSHA 1910.140, with a 420 lb (191 kg) capacity. Its 2026 catalogue lists these as Class AEP. The Arc Breaker (MK1011115D) dielectric version is not described on the maker page; its arc-safe and dielectric details come from the catalogue. Inspect before each use.

Equipment type

Full-body harness

Class

AEP

Webbing

Kevlar, flame resistant

Sizes

XS-3XL, Universal

Safety Direct MK1011115 Arc Breaker harness key features

Dorsal D-ring for fall arrest, shoulder D-rings for extraction, side D-rings for positioning
100% Kevlar webbing and Kevlar thread: fire resistant, char resistant, self-extinguishing and cut resistant (Flame Guard, per Safety Direct)
Arc Breaker (D): arc-safe version with dielectric dorsal, shoulder and side D-rings and pass-through buckles (per catalogue)
Flame Guard Pro choices: tongue-buckle (grommet) legs, quick-connect buckles, or pass-through with X-pad
Parachute torso adjusters, impact indicator, protected labels and five points of adjustment
Eight sizes, XS to 3XL plus Universal

Safety Direct MK1011115 harness specifications and sizing

Manufacturer	Safety Direct Ltd., Sherwood Park, Alberta (Canadian manufacturer)
Model	MK1011115 Arc Breaker (D) / Flame Guard Pro (G, Q, P), 31 SKUs
Standard	CSA Z259.10-18 for the 1011115 family incl. Flame Guard MK1011115 (per Safety Direct)
Class	AEP: fall arrest, extraction, positioning (per catalogue)
D-rings	Dorsal, shoulder and side; dielectric on Arc Breaker
Webbing	100% Kevlar webbing and Kevlar thread (Flame Guard, per Safety Direct)
Versions	D Arc Breaker, dielectric D-rings, pass-through; G tongue-buckle legs; Q quick-connect buckles; P pass-through with X-pad
Max capacity	420 lb (191 kg) per Safety Direct
Capacity by size (catalogue)	XS 80-110 lb, S 110-150 lb, M 120-190 lb, L 130-270 lb, XL 170-325 lb, 2XL 210-370 lb, 3XL 230-420 lb, U 115-250 lb
Sizes	XS, S, M, L, XL, 2XL, 3XL, U (Universal); P version has no XL

Where the MK1011115 flame and arc harness works best

Welding and hot work

Kevlar webbing resists flame, sparks and cuts.

Electrical utility work

Arc Breaker version with dielectric D-rings.

Confined space entry

Shoulder D-rings for a rescue yoke and winch.

Positioning in plants

Side D-rings for a positioning lanyard.

Canadian store

Sold by Fall Protection Canada, Paris, Ontario. CAD pricing, no duties, no border surprises, Canada-wide shipping.

MK1011115 Arc Breaker harness questions and CSA status

Is the Safety Direct MK1011115 CSA certified?

Safety Direct states the 1011115 harness family, including the Flame Guard Kevlar MK1011115, is certified to CSA Z259.10-18, and its catalogue lists the line as Class AEP. The Arc Breaker dielectric version is not on the maker page; ask us for its certificate.

What is the difference between Arc Breaker and Flame Guard Pro?

Arc Breaker (D) is the arc-safe version with dielectric dorsal, shoulder and side D-rings and pass-through buckles. Flame Guard Pro (G, Q, P) is the flame-resistant Kevlar welder's harness with standard hardware.

What worker weight does the MK1011115 fit?

Safety Direct lists 420 lb maximum; by size the catalogue lists XS 80-110 lb, S 110-150 lb, M 120-190 lb, L 130-270 lb, XL 170-325 lb, 2XL 210-370 lb, 3XL 230-420 lb, U 115-250 lb.