MPP(N)-16-I-GE-U2 (RO ASPZ) Mine intrinsically explosion-proof powder fire extinguishing module

The MPP(N)-16-I-GE-U2 (RO ASPZ) is designed for extinguishing Class A, B, and E fires, as well as for extinguishing electrical equipment under voltage without considering the breakdown voltage parameter of the extinguishing powder.

General characteristics:

Explosion protection marking	I Ma k X (non-electrical part), PO Ex ia I Ma X (electrical part)
Operating temperature when configured with a control unit, °C: - BU-1 (RO-R ASPZ) - BU-1-485 (RO ASPZ)	from minus 20 to plus 60; from minus 50 4 to plus 60
Degree of protection against external influences: - for BU-1 (RO-R ASPZ) and BU-1-485 (RO ASPZ) - for housing of MPP(N)-16-I-GE-U2 (RO ASPZ)	IP65; IP67 (terminal box of the electric start unit IP20)
Electric shock protection class	III
Explosion-proof components and Ex-components:	MPP(N)-16-I-GE-U2 (RO ASPZ) housing; CLS capacitive level sensor; BU-1 (RO-R ASPZ); BU-1-485 (RO ASPZ); IP 101–4-PR (RO ASPZ)**
Response time, s	from 5 to 8
Overall dimensions, mm	405×340×566
Body capacity, L	16.1
Extinguishing powder mass, kg	16±0.3
Mass in configurations with a swivel or adjustable bracket and extinguishing powder (total), kg, not more than	34.5±1.7

* – MPP(N)-16-I-GE-U2 (RO ASPZ) may be equipped with the BU-1 (RO-R ASPZ) or BU-1-485 (RO ASPZ) control unit;

** – used as part of the enclosure of the BU-1 (RO-R ASPZ) or BU-1-485 (RO ASPZ) control unit.

Extinguishing performance of MPP(N)-16-I-GE-U2 (RO ASPZ)

Spray nozzle	Mounting height, m	Tilt angle to vertical, °	Fire class	Maximum rating	Protected area, m²	Protected volume, m³
SIAV (СИАВ) 634233.030.030-04	5.5	53	B	89B	16	31
SIAV (СИАВ) 634233.030.030-04	5.5	36	A	1A	16	64
SIAV (СИАВ) 634233.030.030-04	9.0	0	B	89B	16	31
SIAV (СИАВ) 634233.030.030-04	9.0	0	A	1A	16	64
SIAV (СИАВ) 634233.030.030	4.5	36	A, B	1A, 89B	16	31
SIAV (СИАВ) 34233.030.030	6.0	0	A, B	1A, 89B	16	64

Application area

Underground workings of mines and pits, and their surface structures, including those hazardous due to gas and/or dust, in accordance with the assigned explosion protection marking I Ma X and the requirements of industry safety regulations.