ADR special provision 407

Fire suppressant dispersing devices must meet 1.4S criteria (test series 6 (c)) and be safed; Class 9 UN 3559 needs extra conditions and authority approval.

Fire suppressant dispersing devices are articles holding a pyrotechnic substance that disperses an extinguishing agent or aerosol when activated, and containing no other dangerous goods. As packaged for carriage they must meet the criteria for Division 1.4, Compatibility Group S under test series 6 (c) (Manual of Tests and Criteria, Part I, Section 16). The activation means must be removed, or at least two independent safeguards against accidental activation fitted. Assigning them to Class 9, UN 3559 requires conditions (a) to (d). The entry does not cover SAFETY DEVICES, electrically initiated (UN 3268), which special provision 280 deals with.

Conditions

• (a) The device satisfies exclusion criteria (b), (c) and (d) of 2.2.1.1.8.2.
• (b) The suppressant is considered safe for normally occupied spaces under international or regional standards (e.g. NFPA 2010).
• (c) Packaged so the outside of the package stays at or below 200 °C on activation.
• (d) Used only with approval of the competent authority of the country of manufacture; where that country is not an ADR Contracting Party, the approval must be recognised by a Contracting Party's competent authority.

Note. The provision begins on page 640 and continues on page 641 (footnote 3 on page 641).

Refers to: Manual of Tests and Criteria, Part I, Section 16 (test series 6 (c)); 2.2.1.1.8.2; special provision 280; UN 3268; UN 3559.

Carried by 2 Table A entries

UN 0514 · UN 3559