UN 3508 — ADR 2025 Table A: class 9, classification code M11, packing group —, labels 9, special provisions 372, limited quantity 0, excepted quantity E0, packing instructions P003, transport category 4, tunnel restriction code (E), hazard identification number —.
UNECE ADR 2025, ECE/TRANS/352 · checked 2026-10-28
Table A — ADR 2025 (ECE/TRANS/352), UN 3508| (1) UN No. | 3508 |
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| (2) Name and description | CAPACITOR, ASYMMETRIC (with an energy storage capacity greater than 0.3Wh) |
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| (3a) Class | 9 |
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| (3b) Classification code | M11 |
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| (4) Packing group | — |
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| (5) Labels | 9 |
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| (6) Special provisions | 372 |
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| (7a) Limited quantities | 0 |
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| (7b) Excepted quantities | E0 |
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| (8) Packaging: packing instructions | P003 |
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| (9a) Packaging: special packing provisions | — |
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| (9b) Packaging: mixed packing provisions | — |
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| (10) Portable tanks and bulk containers: instructions | — |
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| (11) Portable tanks and bulk containers: special provisions | — |
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| (12) ADR tank: tank code | — |
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| (13) ADR tank: special provisions | — |
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| (14) Vehicle for tank carriage | — |
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| (15) Transport category (Tunnel restriction code) | 4 (E) |
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| (16) Special provisions for carriage: packages | — |
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| (17) Special provisions for carriage: bulk | — |
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| (18) Special provisions for carriage: loading, unloading and handling | — |
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| (19) Special provisions for carriage: operation | — |
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| (20) Hazard identification No. | — |
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ADR 2027 (accepted) — no change for UN 3508
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 (E): in tanks, Prohibited in E; in other carriage, Prohibited in E. Every category except E. (ADR 8.6.4; from the ADR table itself)
- Small-load exemption
- Transport category 4: no quantity limit under 1.1.3.6 (ADR 1.1.3.6.3; from the ADR table itself)
- Labels
- Labels: model 9 (Miscellaneous dangerous substances and articles) (ADR 5.2.2.2.2, label model No. 9; paraphrase, not yet reviewed)
- Packing
- Packing instruction P003: Goods go in suitable outer packagings of adequate strength built to 6.1.4; articles and inners must be held so they cannot fall out in transit. (ADR 4.1.4.1, P003; 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 9 — Miscellaneous Dangerous Substances
- Packing Group
- N/A
- Not applicable
- Classification Code
- M11
- Tunnel Code
- (E) meaning →
- Code governing tunnel passage
- Transport Category
- 4
- For the 1,000-point rule (0 = highest restriction)
- Hazard ID No.
- —
- Kemler code
- Limited Quantity
- 0
- Max per inner package for LQ relief
- Excepted Quantity
- E0
- EQ code for excepted quantity relief
Thresholds — why, not just the verdict
Transport Category
Category 4
0 points per kg/L — unlimited under 1.1.3.6
Per-substance max
Unlimited
Per-substance maximum (1.1.3.6.3) — no cap for Category 4
Limited Quantity
Not permitted
No limited-quantity relief for this entry (Chapter 3.4)
Excepted Quantity
E0
No excepted-quantity relief for this entry (Chapter 3.5)
Tunnel Code
Governs which tunnel categories the load may pass
Special Provisions
SP 372
May alter scope or limits — full text in ADR 2025 Chapter 3.3
Hazard Labels Required
Label 9
These labels must be displayed on packages and vehicle placards in accordance with ADR 2025.
Special Provisions
SP 372
Refer to ADR 2025 Chapter 3.3 for full text of each provision.
Check if UN 3508 qualifies for 1.1.3.6 exemption
Calculate small load points and check exemption thresholds
📅Data: UNECE ADR 2025 (ECE/TRANS/352), via EU Directive 2008/68/EC. Last verified October 2026
ADR reference data only. Classification is the consignor's legal responsibility. Consult a DGSA for compliance decisions.
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