☣️ UN 0381 • CLASS 1
Cartridges, power device
Placard: Explosive 1.2C. Training/quick-reference only — use current ERG + SOP/SOG for incident-specific actions.
🚒☣️
⚠️ This page is a quick-reference aid. For real incidents: stage upwind, isolate, deny entry, request Hazmat early, and consult the current ERG + SOP/SOG.
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Quick details
UN 0381
Class: 1
Placard type: Explosive 1.2C
ERG: Guide 112 (check current ERG)
Isolation: ERG 112: Initial isolation 500m in all directions; if fire or major spill, evacuate 1600m downwind
Chemical & Response Details
| Also known as | Power device cartridgesActuator cartridgesPyrotechnic cartridgesExplosive actuator devices |
| Appearance | Metallic or composite cartridges containing explosive charges designed to actuate mechanical devices. Typically cylindrical, may be various sizes and colors depending on manufacturer and application. |
| Flash Point | Not applicable (explosive device) |
| Boiling Point | Not applicable (explosive device) |
| Vapor Density | Not applicable (solid explosive device) |
| Water Reactivity | No significant reaction with water, but avoid wetting as may affect reliability |
| Extinguishing | Water spray from distance, avoid direct contact; do not use on burning material |
| PPE | ⚠️ Level B minimum when handling; full structural firefighting gear with SCBA if fire involved; maintain safe distance |
| Isolation | ERG 112: Initial isolation 500m in all directions; if fire or major spill, evacuate 1600m downwind |
Chemical details are general reference only. Always verify with current SDS, ERG, and SOP/SOG.
Common hazards (high level)
- Projection and fragmentation hazard on initiation.
- Blast overpressure in immediate area.
- Sensitive to heat, shock, or electrical current.
- May initiate other explosives in proximity.
First actions (field-minded)
- CALL 911. Then call emergency response telephone number on shipping paper.
- Isolate minimum 500 meters; stage upwind and uphill.
- Request Hazmat + law enforcement immediately.
- Control ignition sources; deny unauthorized entry.
- Do not approach — projectile/fragmentation hazard.
- Consult current ERG Guide 112 and follow SOP/SOG.
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UN 0381 — Cartridges, power device HAZMAT RADIO NOTE — UN 0381
Product: Cartridges, power device
Class 1 / Explosive 1.2C / ERG 112
PPE: Level B minimum when handling; full structural firefighting gear with SCBA if fire involved; maintain safe distance
ISOLATION: ERG 112: Initial isolation 500m in all directions; if fire or major spill, evacuate 1600m downwind
ACTION: Stage upwind · Isolate · Deny entry · Request HazmatRADIO
Use for: Quick radio or face-to-face size-up. Short, structured, field-ready.
=== IC HAZMAT BRIEFING ===
UN 0381 — Cartridges, power device
Class: 1 | Placard: Explosive 1.2C | ERG Guide: 112
Appearance: Metallic or composite cartridges containing explosive charges designed to actuate mechanical devices. Typically cylindrical, may be various sizes and colors depending on manufacturer and application.
Water Reactivity: No significant reaction with water, but avoid wetting as may affect reliability
Extinguishing: Water spray from distance, avoid direct contact; do not use on burning material
PPE: Level B minimum when handling; full structural firefighting gear with SCBA if fire involved; maintain safe distance
Isolation: ERG 112: Initial isolation 500m in all directions; if fire or major spill, evacuate 1600m downwind
— Key Hazards —
• Projection and fragmentation hazard on initiation.
• Blast overpressure in immediate area.
• Sensitive to heat, shock, or electrical current.
— First Actions —
• CALL 911. Then call emergency response telephone number on shipping paper.
• Isolate minimum 500 meters; stage upwind and uphill.
• Request Hazmat + law enforcement immediately.
• Control ignition sources; deny unauthorized entry.
SOURCE: allfirefighter.com/hazmat/un/0381 | Always use current ERG + SOP/SOGIC BRIEFING
Use for: Incident command briefing, staging area whiteboard, or pre-entry team brief. Full chemical + response details.
UN0381 Cartridges, power device Cls1 ERG112 | allfirefighter.com/hazmat/un/0381SMS / 160 CHAR
Use for: Quick text to command or incoming units. Fits in a single SMS. Includes link to full page.
⚠️ Quick-reference only. Always use current ERG + SOP/SOG for incident-specific actions. Page: https://allfirefighter.com/hazmat/un/0381
Related UN numbers (same class)
Discovery block for training / quick reference. Always consult the current ERG + your SOP/SOG for operations.
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FAQ
Projection and fragmentation hazard on initiation. Blast overpressure in immediate area. Sensitive to heat, shock, or electrical current. May initiate other explosives in proximity.
CALL 911. Then call emergency response telephone number on shipping paper. Isolate minimum 500 meters; stage upwind and uphill. Request Hazmat + law enforcement immediately.
Level B minimum when handling; full structural firefighting gear with SCBA if fire involved; maintain safe distance
No. This is a training/quick-reference aid only. Always consult the current ERG Guide 112 and your department SOP/SOG for incident-specific protective actions.
Sources (high level): DOT/PHMSA marking & class concepts + ERG usage principles. This page does not reproduce ERG guide text—always consult the current ERG for incident-specific protective actions.