Explosion-Proof Stainless Steel Control Stations

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Technical Specifications

Explosion Protection Markings:
Gas Markings:	1Ex de IIC T6…T4 Gb X
Dust Markings:	Ex tb IIIC Т85°C… Т135°C Db X
Ingress Protection:	IP66/67/68
Rated Voltage AC/DC:	Pushbuttons up to 380 V AC/DC; indicator lamps up to 250 V AC and 48 V DC
Rated Current:	up to 10 A
Permissible Ambient Temperature:	-60 to +60ºС
Climatic Design:	NF1 by default; other options (MU1, U1, W1) on request
Material:	stainless steel (304L, 314L)
Default Colour:	natural grey brushed metal

Certificates

Enclosure Material	Number of Elements	Fig. No.	L, mm	N, mm	H, mm	T, mm	K, mm	D, mm
KVs-3	2	1	150	150	82	112	190	10
KVs-7	4	2	150	300	82	112	340	10
KVs-8	8	3	200	300	82	160	340	10
KVs-10	16	4	300	300	121	260	340	10
KVs-17	30	5	400	500	161	360	540	10

In addition to the listed standard designs, customized explosion-proof control stations and panels can be manufactured with any number of control, signalling, and measuring devices. To place an order, please contact our Sales Department.

Detailed information about the control and signalling devices is available at the following link.

For reference, a simplified table of control and signalling devices is provided below:

Type	Marking	Current (A) and Voltage (B), up to	Designs	Colours
pushbutton	KVE-2	10 А/380 V	Standard / Standard with illumination / Mushroom type	White, Red, Green, Yellow, Blue, Black
lamp	LVE-2	АС 110-250 V DC 12-48 V	–	White, Red, Green, Yellow, Blue
switch	PVE	10 А/380 V	Standard / With key (various circuit options available)	Black

Ordering Code:

КВХ1 – Х2 – (Х3/N3) – А (Хa/Na) – В (Xb/Nb) where,

Enclosure Characteristics:

X1 – enclosure material (c – stainless steel);

Х2 – explosion-proof enclosure index (see Table).

X3/N3 – designation and quantity of devices;

Cable Gland Characteristics:

А (Хa/Na) – type and quantity of cable glands on side A (top);

В (Xb/Nb) – type and quantity of cable glands on side B (bottom);

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For example, an explosion-proof control station made of stainless steel with external dimensions 220×120×90 mm (type KVs-14), equipped with two momentary pushbuttons (black, 1 NC + 1 NO contact) for 220 V, two selector switches with wiring diagram No. 1 for 220–380 V, and one metal gland VVKm32 for unarmoured cable mounted on the bottom side of the enclosure, is designated as follows:

Data Sheet: Appendix