M-40 SCSR Breathing Device
The Ocenco M-40 SCSR is a lightweight, ergonomically designed, belt-worn or storable compressed-oxygen self-contained self-rescuer. It provides immediate breathable air, independent of the surrounding atmosphere, for individuals escaping areas with toxic gas or oxygen deficiency. Rated for 30 minutes of use in accordance with EN 13794:2002, the M-40 prioritizes safety while ensuring unparalleled ease of daily use. When worn on a belt, the M-40 is the lightest and most compact 30-minute SCSR available.

M-40 PHYSICAL CHARACTERISTICS & PERFORMANCE
Oxygen Delivery | Automatic on, compressed oxygen, demand regulated |
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Performance Duration | 30 minutes |
Donning Time | Less than 10 seconds |
Service Life | 15 years |
Storage Temperature | -4–149° F (-20–65° C) |
Inspection | Visual |
Inspection Frequency | Annually for stored units; daily for deployed units |
Approvals | European Union PPE Regulation 2016/425 - Category III Personal Protective Equipment EN 13794: 2002 – Respiratory Protective Devices AS/NZS 1716 :2012 – Respiratory Protective Devices |
Weight as Donned | 4.1 lbs. (1.86 kg) |
Product Dimensions | 7.4" x 6.6" x 3" (18.8cm x 16.8cm x 7.6cm) |
Gallery
Accessories
M-40 Carrying Case
Belt worn shock resistant protective carry case with dual zipper opening.
Black Carry Case – P/N 648101
M-40 Orange Storage Racks
Bright orange storage brackets for navies with quick-open Velcro™ closures
M-40 Wire Storage Bracket
Chrome plated steel wire storage brackets for maritime industries.
M-40T Trainer
The training unit for M-40 comes with two extra mouthpieces in a light-blue secondary container.
Expectation Trainer
The Ocenco Expectation Trainer is sold as two separate assemblies.
Mouthpiece – P/N 900060
Cartridge – P/N 900059