Japan, NOHMI BOSAI
NOHMI BOSAI NN100 Package EX

Made in Japan
Manufacturer: NOHMI BOSAI
Model: NN100
Features of NN100
- Suppresses fires at an early stage effectively.
- Uses highly pressurized gas cylinders.
- The gas discharge emits high noise levels, which may impact sensitive equipment like hard disk drives (HDDs).
- Offers lower noise discharge nozzles for HDD protection.
- Provides recommendations for protecting HDDs, such as sound insulation, stopping HDD operations, and improving data backup measures.
- Adheres to NFPA 75 guidelines by cutting off power to all electronic devices when the fire suppression system activates.
- Prevents room damage from excessive pressure caused by the gas agent discharge using a pressure relief device.
- Includes an exhaust fan to remove products of combustion after fire extinguishing.
- Specifications are subject to change; users should verify the latest details with Nohmi.
Description of NN100
- This system quickly suppresses fires before they spread.
- You should handle the highly pressurized gas cylinders with care, following the indicated cautions.
- The discharge of gas creates high noise levels, which may interfere with modern precision instruments such as hard disk drives (HDD).
- If your environment contains HDDs, using lower noise discharge nozzles can reduce the impact.
- However, even with these nozzles and additional countermeasures like soundproofing or data backup, performance isn’t guaranteed for HDDs.
- NFPA 75 advises cutting off power to all electronic devices simultaneously when the gas suppression system activates.
- In areas protected by this system, the room’s excessive pressure must be released through a relief valve to avoid damage.
- Products of combustion can be harmful, and an exhaust fan should be installed to clear the air post-extinguishment.
- Contact Nohmi for more details or to verify specific information related to installation, operation, or maintenance.
Specification
| Type A | Type B | |
|---|---|---|
| Cylinder capacity | 83 L | 83 L |
| N₂ volume | 20.3 m³ | 20.3 m³ |
| Storage pressure | 30 MPa at 35°C | 30 MPa at 35°C |
| Discharge pressure | 10.8 MPa at 40°C | 10.8 MPa at 40°C |
| Weight | Approx. 225 kg | Approx. 180 kg |
| Dimensions | 450mm(W) X 2150mm(H) X 370mm(D) | 350mm(W) X 2150mm(H) X 370mm(D) |
| Ambient temperature | 0 to 40°C (32 to 104°F) | 0 to 40°C (32 to 104°F) |
| Input power | 220VAC, 230VAC, 240VAC ±10%, 50/60Hz | |
| Power consumption | 80VA | |
| Time delay for discharge | 0 to 45 seconds | |
| Contact rating of status output | 0.5A at 30VDC | |
| Contact rating of external device shutdown output | 1.5A at 30VDC, 1.5A at 250VAC | |
| Contact rating of external alarm device output | 1.5A at 30VDC | |
| Battery | N-Cd battery | |
| Enclosure material | Steel sheet 1.6mm | Steel sheet 1.6mm |
| Finish color | Beige white | Beige white |

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