Explosion-Proof Aluminium Junction Boxes 1Exe KVa

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Technical Specifications

Main Explosion-Proof Markings*:
Gas Markings:	1Ex e IIC T6…T4 Gb X
Gas Markings for Intrinsically Safe Circuits:	0Ex ia IIC T6…T4 Ga X
Dust Markings:	Ex tb IIIC Т85°C… Т135°C Db X
Ingress Protection:	IP66/67/68
Rated Voltage:	up to 990 V
Rated Current:	up to 500 A
Permissible Ambient Temperature:	-60 to +60ºС
Climatic Design:	NF1 by default; other options (MU1, U1, W1) on request
Material:	low-copper aluminium
Default Colour:	silver-grey RAL 7001, can be supplied in any colour upon request

Certificates:

Drawing

KV No.	Dimensions			T	K	Weight, kg	D
	N	L	H
KVa-1	64	60	34	46	36	0,16	4,8
KVa-2	64	89	34	86	36	0,22	4,8
KVa-3	64	150	34	138	36	0,36	4,8
KVa-4	80	75	57	63	52	0,3	4,8
KVa-5	80	125	57	113	52	0,37	4,8
KVa-6	80	175	57	163	52	0,55	4,8
KVa-7	80	250	52	238	52	0,73	4,8
KVa-9	100	100	80	86	66	0,62	4,8
KVa-11	100	160	80	146	66	0,82	4,8
KVa-12	100	200	80	186	66	0,97	4,8
KVa-13	120	122	80	106	82	0,94	7
KVa-14	120	122	90	106	82	0,96	7
KVa-15	120	220	80	204	82	1,4	7
KVa-16	120	220	90	204	82	1,4	7
KVa-17	120	360	80	344	82	1,97	7
KVa-18	140	140	90	120	93	1,5	7
KVa-20	140	200	90	180	93	2,27	7
KVa-22	160	160	90	140	110	1,5	7
KVa-23	160	260	90	240	110	2	7
KVa-24	160	360	90	340	110	2,5	7
KVa-25	160	560	90	540	110	3,7	7
KVa-26	180	180	100	160	130	2,27	7
KVa-27	180	280	100	260	130	2,9	7
KVa-28	100	230	110	180	80	1,8	7
KVa-29	230	200	110	180	180	2,4	7
KVa-30	230	200	180	180	180	3,9	7
KVa-31	230	280	110	260	180	3	7
KVa-33	230	330	110	310	180	3,4	7
KVa-35	230	330	180	310	180	5,26	7
KVa-36	230	400	110	380	180	3,84	7
KVa-37	230	400	224	380	180	6,84	7
KVa-38	230	600	110	280	180	6,95	7
KVa-40	310	400	110	382	262	5,3	7
KVa-41	310	400	140	382	262	6,72	7
KVa-42	310	400	180	382	262	8,48	7
KVa-43	310	400	226	382	262	8,68	7
KVa-44	310	600	110	580	260	8,66	7
KVa-45	310	600	180	580	260	11,1	7
KVa-46	600	600	200	555	520	25,96	8,5
KVa-47	360	160	90	340	110	2,19	7
KVa-48	560	160	90	540	110	3,29	7
KVa-49	330	230	110	310	180	2,9	7
KVa-50	Special Dimensions

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Highlighted Items are always in stock.

Ordering Code:

КВХ1 – Х2 – (Х3/N3) – А (Хa/Na) – В (Xb/Nb) – C (Хc/Nc) – D (Xd/Nd) where,

Enclosure Characteristics:

Х1 – enclosure material (a – aluminium);

           if an enclosure with explosion protection of the "intrinsically safe circuit" type is required

         , the sign "i" should be added, 

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

Terminal Characteristics:

Х3   – terminal type (cross-section of the connected conductor),

        if this terminal is used for a grounding wire, the sign "z».

Screw terminals are installed by default. If spring-type terminals are required, index "P" should be added.

Grey terminals are installed by default. If blue terminals are required, index "B" should be added.

N3  – number of terminals of this type;

Cable Gland Characteristics:

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

C (Хc/Nc) – type and quantity of cable glands on side C (left);

D (Xd/Nd) – type and quantity of cable glands on side D (right).

For example, an explosion-proof aluminium enclosure (type KVa-14) with external dimensions of 220×120×90 mm, equipped with five terminals for 2.5 mm² conductors, ten terminals for 6 mm² conductors, one grounding terminal for a 4 mm² conductor, one M16 opening at the bottom of the enclosure, and one VVKm32 metal gland for a non-armoured cable installed at the top of the enclosure, is designated as follows:

KVa–14 – (2.5/5, 6/10, 4z/1) – А (VVKm32/1) – V (M16/1).

Data Sheet: