UN 3478 — ADR 2025 Table A: class 2, classification code 6F, packing group —, labels 2.1, special provisions 328 338, limited quantity 120 ml, excepted quantity E0, packing instructions P004, transport category 2, tunnel restriction code (D), hazard identification number —.

UNECE ADR 2025, ECE/TRANS/352 · checked 2026-10-28

Table A — ADR 2025 (ECE/TRANS/352), UN 3478
(1) UN No.	3478
(2) Name and description	FUEL CELL CARTRIDGES or FUEL CELL CARTRIDGES CONTAINED IN EQUIPMENT or FUEL CELL CARTRIDGES PACKED WITH EQUIPMENT, containing liquefied flammable gas
(3a) Class	2
(3b) Classification code	6F
(4) Packing group	—
(5) Labels	2.1
(6) Special provisions	328 338
(7a) Limited quantities	120 ml
(7b) Excepted quantities	E0
(8) Packaging: packing instructions	P004
(9a) Packaging: special packing provisions	—
(9b) Packaging: mixed packing provisions	—
(10) Portable tanks and bulk containers: instructions	—
(11) Portable tanks and bulk containers: special provisions	—
(12) ADR tank: tank code	—
(13) ADR tank: special provisions	—
(14) Vehicle for tank carriage	—
(15) Transport category (Tunnel restriction code)	2 (D)
(16) Special provisions for carriage: packages	—
(17) Special provisions for carriage: bulk	—
(18) Special provisions for carriage: loading, unloading and handling	CV9 CV12
(19) Special provisions for carriage: operation	S2
(20) Hazard identification No.	—

ADR 2027 (accepted) — no change for UN 3478

ADR 2027 was accepted: depositary notification C.N.395.2026 (9 October 2026) records no objection to the amendments proposed by C.N.252.2026. It applies from 1 January 2027, and ADR 2025 may still be applied until 30 June 2027 (1.6.1.1). (C.N.395.2026)

ADR 2027: no Table A change for this entry (checked against ECE/TRANS/WP.15/274, Add.1 and Corr.1). Other parts of ADR 2027 may still affect its carriage.

ADR 2025 remains the edition FreightUtils serves and the one that applies until ADR 2027 takes effect on 1 January 2027; after that, ADR 2025 may still be applied until 30 June 2027 (1.6.1.1).

All ADR 2027 Table A changes →Check a list of UN numbers →

In plain words

Tunnels: Tunnel code (D): in tanks, Prohibited in D, E; in other carriage, Prohibited in D, E. Categories A, B, C. (ADR 8.6.4; from the ADR table itself)
Small-load exemption: Transport category 2: at most 333 per transport unit under 1.1.3.6, counted ×3 toward the 1,000-point limit (ADR 1.1.3.6.3; from the ADR table itself)
Labels: Labels: model 2.1 (Gases: flammable gases) (ADR 5.2.2.2.2, label model No. 2.1; paraphrase, not yet reviewed)
Packing: Packing instruction P004: Fuel cell cartridges (UN 3473, 3476-3479) alone, packed with equipment or contained in equipment: packaging options for each case. (ADR 4.1.4.1, P004; paraphrase, not yet reviewed)
Carriage: Loading provision CV9: Do not throw packages or subject them to impact; stow receptacles so they cannot tip over or fall. Loading provision CV12: When stacking loaded pallets, spread each tier evenly over the one below, using strong interlayer material if needed. Operation provision S2: Flammable liquids/gases: no ordinary portable lights in closed load compartments; FL heaters off during loading; earth FL vehicles before filling. (ADR 7.5.11, CV9, 7.5.11, CV12, 8.5, S2; paraphrase, not yet reviewed)

Assembled from FreightUtils' meanings of the Table A codes, not the official text. A statement marked “not yet reviewed” has not yet been checked against ADR by a person.

Class 2 — Gases

UN 3478Class 2 — Gases