Junction boxes of the KVMK Exe-N series KVMK Exi-N

Explosion-proof boxes of models KVMK Exe-N-101009 / 101609 / 121209 / 123609 / 161611 / 162111 / 122211 / 181811 / 162611 / 163612 / 232012 / 232020 / 232812 / 233320 / 403112 / 403120, KVMK Exi-N-101009 / 101609 / 121209 / 123609 / 161611 / 162111 / 122211 / 181811 / 162611 / 163612 / 232012 / 232020 / 232812 / 233320 / 403112 / 403120 are designed to connect (branch) general-purpose and special-purpose electrical circuits (power, control, signaling, etc.) in hazardous areas. These boxes are used to enter armored and unarmored round or flat electrical cables, as well as cables in metal sleeves.

The material used for the production of boxes and Ex components is stainless steel.

The boxes are provided with the following types of explosion protection: GOST R IEC 60079-7-2012 Increased protection type "e", GOST 31610.11-2014 (IEC 60079-11:2011) "intrinsically safe electrical circuit "i", GOST IEC 60079-1-2013 "flameproof enclosures "d"" and GOST IEC 60079-31-2013 equipment with dust ignition protection by enclosures "t".

These boxes are classified as electrical equipment of groups I, II, and III according to GOST 31610.0-2014 and are intended for use in hazardous areas of indoor and outdoor installations in accordance with explosion protection markings. The equipment can be used in hazardous areas of classes 0, 1, and 2 according to GOST IEC 60079-10-1-2011, as well as in mines and pits according to GOST 31439-2011 (EN 1710:2005). The environment may contain explosive mixtures of gases and vapors with air of categories IIA, IIB, IIC, and dust IIIC.

Junction box of the KVMK series, model range: KVMK Exe-N-XXX… X, KVMK Exi-N-XXX… X.
Explosion protection marking	РО Ex ia I Ma X / Ex tb IIIC Т80°C… Т130°C Db X РП Ex eb I Mc X / Ex tb IIIC Т80°C… Т130°C Db X РП Ex eb db I Mc X / Ex tb IIIC Т80°C… Т130°C Db X 0Ex ia IIC T6… Т4 Ga X / Ex tb IIIC Т80°C… Т130°C Db X 1Ex eb IIC T6… Т4 Gb X / Ex tb IIIC Т80°C… Т130°C Db X 1Ex eb db IIC T6… Т4 Gb X / Ex tb IIIC Т80°C… Т130°C Db X
Body material	Stainless steel
Degree of protection of the shell according to GOST 14254-2015	IP66/IP67
Ambient temperature under operating conditions	T6 from -60°C to +80°C T5 from -60°C to +95°C T4 from -60°C to +130°C
Temperature class according to GOST 31610.0-2014.	T6, T5, T4
Climatic performance	HL (F), UHL (NF), OM (MU)
Switching current, A - alternating current - direct current	no more than 200 no more than 200
Switching voltage, V - alternating current - direct current	no more than 1000 no more than 1000

Model	Overall dimensions without cables inputs and external components	Installation dimensions	Body weight, no more than
KVMK Exe/Exi-N-101009	100x100x91 mm	65x121 mm
KVMK Exe/Exi-N-101609	100x160x91 mm	121x125 mm
KVMK Exe/Exi-N-121209	120x122x91 mm	141x87 mm
KVMK Exe/Exi-N-123609	120x360x91 mm	141x325 mm
KVMK Exe/Exi-N-161611	160x160x110 mm	125x181 mm
KVMK Exe/Exi-N-162111	160x210x110 mm	181x175 mm
KVMK Exe/Exi-N-122211	120x220x110 mm	141x185 mm
KVMK Exe/Exi-N-181811	180x180x110 mm	145x201 mm
KVMK Exe/Exi-N-162611	160x260x110 mm	181x225 mm
KVMK Exe/Exi-N-163612	160x360x120 mm	181x325 mm
KVMK Exe/Exi-N-232012	230x200x120 mm	195x221 mm
KVMK Exe/Exi-N-232020	230x200x200 mm	195x221 mm
KVMK Exe/Exi-N-232812	230x280x120 mm	251x245 mm
KVMK Exe/Exi-N-233320	230x330x200 mm	251x295 mm
KVMK Exe/Exi-N-403112	403x313x120 mm	368x334 mm
KVMK Exe/Exi-N-403120	403x313x200 mm	368x334 mm

Example of an order entry:

KVMK Exe-N-121209	*– B [x1]–* D [x2] –**
1	2

1 – control post type and explosion protection type: KVMK Exe-N-xxxxxx, KVMK Exi-N-xxxxxx ;
2 – type of cable entries:
A, C – designation of the large sides of the box;
B, D – designation of small sides of the box;
n – multiplier of the number of inputs of the corresponding type, if there is one, it is not specified;
x1, x2, x3, x4 – types of cable entries, for example:
KV M20K – for open cable laying with connecting thread M20x1.5;
KV M20KM15 – for 15mm metal hose with connecting thread M20x1.5;

Junction boxes of the KVMK Exe-N series KVMK Exi-N

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