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    Explosion-proof boxes ЩОРВ-НТ…-О with a window

    Explosion-proof boxes ЩОРВ-НТ…-О with a window Explosion-proof boxes ЩОРВ-НТ…-О with a window — image 2 Explosion-proof boxes ЩОРВ-НТ…-О with a window — image 3

    Product Description

    The SHORVA-NT…-O is an explosion-proof terminal box with a window, Ex d protection type, made of stainless steel. It is used for switching, distributing, and connecting electrical circuits in hazardous areas. The explosion-proof enclosure reliably contains any spark or explosion within the enclosure, preventing ignition of the external environment. It ensures easy installation and maintenance.

    Advantages

    • Certified equipment ensuring safety and uninterrupted operation.
    • Stainless steel body, resistant to aggressive environments, alkalis, sulfuric and hydrochloric acids
    • Double-sided electrochemical polishing ensures a durable and aesthetic appearance
    • Visual monitoring of equipment status thanks to impact-resistant tempered glass

    Frequently bought together

    KOV for Armored Cable
    KNV for Unarmored Cable
    KOVTVL Female Thread
    VZN Plugs
    Momentary Push Buttons
    Emergency Buttons
    Signal Lights

    Compliance with standards

    GOST 31610.0-2014 (IEC 60079-0:2011)
    GOST IEC 60079-1-2013
    GOST 31610.11-2014 (IEC 60079-11:2011)
    GOST IEC 60079-31-2013
    GOST IEC 60079-14-2013
    TR CU 012/2011
    TR CU 004/2011
    GOST 14254-2015
    GOST 32126.1-2013
    GOST R 50827.3-2009
    GOST 30546.2-98
    GOST 30546.3-98
    GOST 12.2.007.0-75
    GOST 24754-2013
    GOST 30852.20-2002
    Part XI "Electrical Equipment" of the Rules for the Classification and Construction of Sea-Going Ships 2020; Part IV
    Section 10 of the Rules for Technical Supervision of the Construction of Ships and the Manufacture of Materials and Products for Ships 2020; Part X
    Section 10 of the Rules for the Classification of the Construction and Equipment of Floating Drilling Rigs and Offshore Fixed Platforms 2018
    GOST R 53316-2009
    GOST IEC 61439-1-2013

    Certificates

    EAEU RU C-RU.NA67.B.00778/25
    EAEU RU C-RU.AA87.B.01061/22
    EAEU RU C-RU.AYA45.V.00257/25
    IECEx CCVE 16.0007U
    EAEU N RU D-RU.RA02.V.05658/26
    Certificate No. 13-11.1-6.13.4-1656
    Maritime Register STO No. 23.44.01.09129.120
    ROSS RU.04PTK0.K00129
    RU.OC BCCT 0230-10.2026
    OGN4.RU.1104.B04144
    TU 27.12.40-032-72453807-2017
    TU 27.33.13-033-72453807-2017
    TU 27.12.10-045-72453807-2017

    Markings

    Explosion protection marking
    1Ex db IIB+H2 T6...T4 Gb
    1Ex db IIC T6...T4 Gb X
    1Ex db ib IIB+H2 T6...T4 Gb
    1Ex db ib IIC T6...T4 Gb X
    Ex tb IIIC T85°...T135°С Db

    Housing (EX component)Box (EX component)
    Ex db IIB+H2 Gb U
    Ex db IIC Gb U* prohibited for use in explosive mixtures of acetylene with airforbidden to use in explosive mixtures of acetylene with air
    Ex tb IIIC Db U
    Marking of mining equipment
    PB Ex db I Mb
    PB Ex ib I Mb
    PB Ex db ib I Mb
    PO Ex ia I Ma
    RN1/RN2

    Housing (EX component)Box (EX component):
    Ex db I Mb U
    Degree of protection
    IP66/IP67
    IK10
    Installation
    Category I for firedamp and dust;
    Category II for gas subgroups IIA, IIB, IIB+H2,IIC (except acetylene), zones 1, 2;
    Category III for dust, explosive dust atmospheres containing volatile particles, non-conductive and conductive dust;
    Underground workings hazardous due to gas (methane) and coal dust;
    Facilities supervised by RMRS

    Technical data

    Ambient temperature, °C
    -60...+40 (T6/T85°C)
    -60...+60 (T5/T4/T100°C/T135°C)*
    -60…+60 (for mine explosion-proof and mine normal designs)
    -60...+120 (for Ex-components)

    *depending on the box configuration
    Maximum voltage, V
    ~1000 / ⎓600
    Maximum current, A
    800
    Placement of cable glands
    According to customer specifications
    Grounding
    2 ground cluminaires (internal and external) made of stainless steel
    Cover fastening
    Removable hinged lid
    Mounting inside the case
    4 posts for mounting the mounting panel
    Surface
    Electrochemical polishing (external and internal)
    Sealing
    Silicone rubber (in the lid groove)
    Material
    Stainless steel sheet grade 08Kh18N10 according to GOST 5632-2014 (AISI 304).
    Stainless steel grade 08x17M13M2T according to GOST 5632-2014 (AISI 316), option /316.
    Impact-resistant tempered glass.
    Housing fastening
    4 external mounting points
    Protection class against electric shock
    I
    Climatic category
    NF1 (as required NF2, NF3, NF4, NF5, HL1, HL2, HL3, HL5, T1, T2, T3, T5, MU1, MU2, MU3, MU4, W2.1 , W5 )

    Design parameters

    SHORV-NT...-O Stainless Steel Explosion-Proof Boxes with a Window (Flameproof Enclosures)

    SHORV-NT312012-O0505
     SHORV-NT584028-O3020
     SHORV-NT694933-O3020
    Overall dimensions of the boxes ЩОРВ-НТ…-О
    Box size Dimensions, mm Weight, kg
    External Internal Fastening with staples Standard window sizes
    A IN WITH a b c D E F LxMxH
    SHORVA-NT312012-O0505 317 211 127 219 113 76 160 186 9 55x55x12 17,5
    SHORVA-NT322220-O1508 327 227 208 229 129 157 230 225 9 150x80x15 23,2
    SHORVA-NT393127-O2515 391 319 279 294 221 228 290 305 11 250x150x19 41,8
    SHORVA-NT452521-O2508 451 250 216 354 153 165 350 246 11 250x80x15 34,7
    SHORVA-NT453729-O3020 457 372 308 354 269 249 350 345 11 300x200x19 65,2
    SHORVA-NT584028-O3020 589 409 295 484 304 236 360 391 11 300x200x19 85,8
    SHORVA-NT694933-O3020 693 495 347 568 370 277 550 455 14 300x200x19 134,3
    SHORVA-NT765636-O3020 767 567 364 637 437 275 597 517 21 300x200x19 188,1
    SHORVA-NT906834-O3020 900 680 347 770 550 249 680 664 21 300x200x19 261
    SHORVA-NT906845-O3020 900 680 461 770 550 363 680 664 21 300x200x19 293
    Overall dimensions of mounting panels for boxes ЩОРВ-НТ…-О
    Name of the corps Name Stainless steel Aluminum steel
    Length, mm Width, mm Thickness, mm Weight, kg Length, mm Width, mm Thickness, mm Weight, kg
    SHORVA-NT282218 Щ2822Х 170 110 2 0,3 170 110 2 0.1
    SHORVA-NT312012 Щ2818Х 206 100 2 0,3 206 100 2 0,1
    SHORV-NT322212
    SHORV-NT322220    		 Щ3020Х 220 120 2 0,4 220 120 2 0,1
    Щ3020Х/ТЕRМО 200 100 2 0,3 200 100 2 0,1
    SHORV-NT393113
    SHORV-NT393127    		 Щ3628Х 280 200 2 0,9 260 180 2 0,3
    Щ3628Х/TERMO 260 180 2 0,7 260 180 2 0,2
    SHORV-NT452512
    SHORV-NT452521    		 Щ4222Х 340 140 2 0,8 340 140 2 0,2
    Щ4222Х/TERMO 320 120 2 0,6 320 120 2 0,2
    SHORV-NT453719
    SHORV-NT453729    		 Щ4232Н 340 240 2 1,3 340 240 2 0,4
    Щ4232Н/ТЕRМО 320 220 2 1,1 320 220 2 0,4
    SHORV-NT584019
    SHORV-NT584028    		 Щ5739Н 456 276 2 2 456 276 3 1
    Щ5739Н/ТЕRМО 455 275 2 2 460 280 3 1
    SHORV-NT694923
    SHORV-NT694933    		 Щ6545Н 540 340 2 2,9 532 332 3 1,4
    Щ6545Н/TERMO 520 320 2 2,6 520 320 3 1,3
    SHORVA-NT765636 Щ7252X* 597 397 2 3,8 597 397 3 1,9
    SHORV-NT906834
    SHORV-NT906845    		 Щ8967Х* 720 500 3 8 720 500 3 2,9
    SHORVA-NT1035839 Щ10458Х* 850 400 3 7,6 850 400 3 2,7

    * - when heating the case, a standard mounting panel is used.

    Options

    Options, accessories and versions
    Marking
    Stainless steel grade 08x17M13M2T according to GOST 5632-2014 (AISI 316)
    /316
    Degree of protection against external influences IP67
    /IP67
    Degree of protection against external influences IP68
    /IP68
    Painting the outer surface in the color according to the customer's requirements
    /RAL (code)
    Deviation of overall dimensions within tolerances
    /XY
    Aluminum alloy mounting panel
    /ALP
    Ventilation device for moisture removal
    /VKU
    Drainage ventilation devices
    /DKUV
    Conservation
    /KONSERVATSIA
    Marine version
    /MORE
    Captive cover mounting bolts
    /NBK
    Stainless steel mounting plate
    /NP
    Fixing the lid on hinges
    /LOOP
    Bolt with seal
    /SEAL
    Compliance with fire safety requirements
    /POZHAR
    Non-explosion-proof design
    /PROM
    River execution
    /RIVER
    Internal thermal insulation
    /TEPLOISOLATSIA
    Design for minimum operating temperature of -75°C
    /HOLOD

    Additional information

    The maximum number of openings in the cover of the terminal box housings of the ЩОРВ-НТ...-О series
    Box size Metric thread
    02 01 1 2 3 4
    SHORVA-NT312012-O0505 12 10 10 7 5 4
    SHORVA-NT322220-O1508 - - - - - -
    SHORVA-NT393127-O2515 - - - - - -
    SHORVA-NT452521-O2508 - - - - - -
    SHORVA-NT453729-O3020 - - - - - -
    SHORVA-NT584028-O3020 23 21 21 12 17 10
    SHORVA-NT694933-O3020 56 56 44 37 27 20
    SHORVA-NT765636-O3020 81 81 69 53 41 32
    SHORVA-NT906834-O3020 190 190 184 134 94 74
    SHORVA-NT906845-O3020 190 190 184 134 94 74
    Maximum number of openings in the housing of terminal boxes ЩОРВ-НТ..-О on the A/B side
    Box size Metric thread
    02 01 1 2 3 4 5 6 7 8 10
    SHORVA-NT312012-O0505 8(7)/5 8(7)/4 8(7)/4 5/3 3/2 3/1 2(1)/1 2(1)/1 - - -
    SHORVA-NT322220-O1508 14/6 14/6 13/6 12(11)/5 7(6)/4 6/2 4(3)/2 3/1 2/1 2(1)/1 1/1
    SHORVA-NT393127-O2515 28/20 28/20 25/20 21(20)/15 15(14)/10 10/8 8/6 6/4 4/4 2/2 2/1
    SHORVA-NT452521-O2508 26(24)/9 26(24)/9 26(24)/9 18/7 14(13)/5 9(8)/4 8(7)/2 6(5)/1 3/1 3/1 2/1
    SHORVA-NT453729-O3020 35/27 36/27 36(35)/27 28(27)/20 19(18)/16 15/12 12(11)/8 8/6 6/4 3/2 2/2
    SHORVA-NT584028-O3020 45/30 50(48)/30 45/28 38(36)/22 25/15 18/12 14/9 10/6 8/5 6/4 3/2
    SHORVA-NT694933-O3020 60/40 56(55)/40 55/40 45(44)/30 32/21 20/15 16/12 10/8 8/6 8/6 4/3(2)
    SHORVA-NT765636-O3020 60/40 60/40 60/40 46/29 36(34)/24 24(23)/15 21(20)/14 14/10 10/6 7(6)/4 4/3
    SHORVA-NT906834-O3020 60/42 60/42 60/42 52(51)/36 33/23 29(28)/20 19/13 15/10 12/8 6/4 4/3
    SHORVA-NT906845-O3020 92/66 92/66 92/66 70/51 52/36 36/28 30/20 20/16 16/10 10/4 8/4

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    Model Breakdown
    SHORV-HT 1X - O 2X - 3X 4X ( 5X ) - 3X 4X ( 5X ) / 6X – TU 27.33.13-033-72453807-2017
    1X - Case size code
    2X - Window size code
    3X - Number of cable glands
    4X - Cable entry type
    5X - Input location side Sides of cable entry locations
    6X - Options, accessories and versions

    Example: SHORV-NT453729-O3020-(40C2-10C16)-5KNV1MN(B)-KNV4MN(G)-TU 27.33.13-033-72453807-2017

    Where to buy GORELTEX products

    Saint Petersburg

    Head office and production site

    Telephone
    8 (800) 100-100-4
    Address
    193149, Leningrad region, Vsevolozhsk district, Novosaratovka village, Rabochaya street, house 9, building 1
    Read more

    Moscow

    Sales office

    Telephone
    +7 (495) 989-80-09
    Address
    123112, Moscow, Presnenskaya Embankment, 6, building 2, business complex "Imperia Tower", floor 12, office No. 15
    Read more

    Kazan

    Sales office

    Telephone
    +7 (843) 231-82-20
    Address
    420061, Russia, Republic of Tatarstan, Kazan, st. Nikolay Ershova, 1A, Korston Business Center, floor 11, office No. 1110
    Read more

    Tyumen

    Sales office and production site

    Telephone
    +7 (3452) 55-03-55
    Address
    625031, Russia, Tyumen, Shcherbakova St., 160G
    Read more