Explosion-proof Distribution Device
KXD51 Series
Category:
Explosion-proof Distribution Device
- 产品描述
-
CATALOG NUMBER LOGIC

FEATURES
- Flameproof enclosure (Ex d IIB+H2), which can be used as feed distribution equipment in control and distribution system(such as distribution box, switch box of main circuit ,control box, terminal box or motor starting box etc.)
- Copper-free Aluminium Alloy enclosure, powder coated surface.
- Equipped with specialized hinge structure, which can prevent the flameproof joints from damage when opening and closing the panels, and greatly prolong the service life of box.
- The boxes can be combined and installed freely to save space and meet the requirements of various distribution systems.
- Special requirements on request.
Application sectors

TECHNICAL DATA
Explosion-proof Distribution Device KXD51 - □ / □ / □ / □
Ex-mark (IECEx)
Ex db IIB+H2 T□1) Gb
Ex tb IIIC T□1) Db IP66
□1) See Selection table, P19Ex-mark (ATEX)
II 2 G Ex db IIB+H2 T□1) Gb
II 2 D Ex tb IIIC T□1) Db IP66
□1) See Selection table, P19Certificates
IECEx; ATEX
Conformity to standards
EN 60079-0, EN 60079-1, EN 60079-11, EN 60079-31
IEC 60079-0, IEC 60079-1, IEC 60079-11, IEC 60079-31Enclosure material
Copper-free Aluminium Alloy enclosure, powder coated surface, window grey (RAL7040)
Exposed fastener
Stainless steel
Built-in components
Ammeters, voltmeters, power meters, tachometers temperature control meters and other meters, control switches, disconnecting switches, Moulded Case Circuit Breakers (MCCB), Miniature Circuit Breakers(MCB), AC contactors, thermal relays, intermediate relays, time relays, control transformers, DC power supplies, current transformers, surge protectors, PLCs, fuses, soft starters, frequency converters, terminals, bus bars, resistors, light-operated switches, time controllers, optical fiber control boxes, magnet valves, analytical instruments, heaters, self-regulation trace heating cables, display screens, magnetic ballasts of HID light sources, electronic ballasts of fluorescent lamps, drivers of LED light sources, emergency devices of HID light sources, emergency devices of fluorescent lamps, emergency devices of LED light sources, safety barriers, integrated protectors of motors, lighting building controllers, lighting energy saving controllers, fire monitoring controllers, temperature controllers, humidity controllers, current monitors, voltage monitors, motor protection switches, dual power transfer switches, counters, timers, solid state relays, diode modules, industrial personal computers, UPS, batteries.
Rated voltage
Max. 660V AC 50/60Hz Max. 1000V DC
Rated current
Max. 630A
Degree of protection
IP66
Internal & external earthing
M6/M8, M8/M8
Ambient temperature
-40℃~+60℃
Cable entries
Standard M□x 1.5 plug (the size of entry hole should be processed in accordance with actual requirements), NPT□plug on request.
Cable gland (optional)
Entry direction
Bottom
Mounting
Surface type (standard)
Pedestal type (optional)See table for max. dissipated power
Ta=60℃
KXD51 with metal cover without glass
T4(T130℃)
T5(T95℃)
T6(T80℃)
Type
Power (W)
T Rise (K)
Power (W)
T Rise (K)
Power (W)
T Rise (K)
KXD51-Ⅰ
200
70
80
33
38
17
KXD51-Ⅱ
200
65
80
31
40
17
KXD51-ⅡB
240
67
100
31
50
17
KXD51-Ⅲ
290
66
130
32
60
17
KXD51-ⅢB
350
67
140
32
75
17
KXD51-Ⅳ
420
62
190
33
100
17
KXD51-ⅣB
500
65
210
34
100
17
KXD51-Ⅴ
520
60
240
31
125
17
KXD51-ⅤB
620
61
280
31
140
17
KXD51-Ⅵ
660
61
300
31
150
17
KXD51-ⅥB
660
53
330
31
180
17
KXD51-Ⅶ
700
50
400
28
210
17
KXD51-ⅦB
700
49
400
27
220
17
Ta=60℃
KXD51 with metal cover with glass
T4(T130℃)
T5(T95℃)
T6(T80℃)
Type
Power (W)
T Rise (K)
Power (W)
T Rise (K)
Power (W)
T Rise (K)
KXD51-Ⅰ
170
69
70
33
38
17
KXD51-Ⅱ
170
69
70
33
38
17
KXD51-ⅡB
200
69
80
33
38
17
KXD51-Ⅲ
260
66
110
33
55
17
KXD51-ⅢB
320
67
120
31
65
17
KXD51-Ⅳ
380
69
160
35
72
17
KXD51-ⅣB
425
68
170
34
81
17
KXD51-Ⅴ
450
66
200
34
90
17
KXD51-ⅤB
540
66
220
34
100
17
KXD51-Ⅵ
620
70
260
34
140
17
KXD51-ⅥB
660
58
330
34
170
17
KXD51-Ⅶ
700
56
400
32
185
17
KXD51-ⅦB
700
56
400
32
190
17
Dimension drawings (all dimensions in mm) - subject to alteration

Version
External dimension
Internal dimension
Mounting dimension
Weight of
enclosure
(kg)A
B
C
a
b
c
D
E
F
KXD51-Ⅰ
250
200
170
192
142
131
180
200
10
6.70
KXD51-Ⅱ
300
200
170
242
142
131
230
200
10
8.00
KXD51-ⅡB
350
200
170
292
142
131
280
200
10
9.50
KXD51-Ⅲ
350
300
200
290
240
159
280
300
12
14.50
KXD51-ⅢB
350
300
270
290
240
229
280
300
12
17.50
KXD51-Ⅳ
450
350
210
378
278
163
365
350
12
23.00
KXD51-ⅣB
450
350
280
378
278
233
365
350
12
27.50
KXD51-Ⅴ
560
400
210
488
328
115
475
400
14
34.50
KXD51-ⅤB
560
400
280
488
328
225
475
400
14
39.50
KXD51-Ⅵ
634
434
265
560
360
205
522
430
14
46.00
KXD51-ⅥB
634
434
335
560
360
275
522
430
14
52.00
KXD51-Ⅶ
720
560
275
640
480
215
620
560
14
74.50
KXD51-ⅦB
720
560
345
640
480
285
620
560
14
83.00
Note:
For cable entries:
1). Please specify the direction and size of each cable entry.
2). Cable gland is optional.KXD51 Explosion-proof distribution panels for terminal box use
Suitable for terminal boxes of distribution system
Note:
1. KXD51-J terminal boxes have various different terminal arrangement methods.
2. It can be customized in accordance with user’s requirements and conforms to the usage limits of conformity certificate. The Max. number of terminals and the Max. number of holes on side can meet the requirements of dissipated power and enclosure mechanical strength.
3. This table is only for reference.

KXD51 Explosion-proof distribution panels for distribution box use
Suitable for power units of distribution system
Note:
1. MCB (Miniature Circuit Breaker) or MCCB (Moulded Case Circuit Breaker), AC contactor, thermal overload relay, PLC programmer, soft starter, pushbuttons, indicators, control switches and explosion-proof ammeters/voltmeters etc. in KXD51-P distribution boxes.
2. KXD51-P power unit can be used for distribution or on-off of circuit. It also can be used for controlling the start, stop, corotation and inversion of motor and provide comprehensive protection for motor. It can be equipped with two-site control or multi-site control.
3. It can be customized in accordance with user’s requirements and conforms to the usage limits of conformity certificate. The number of cover components and the Max. number of holes on side can meet the requirements of dissipated power and enclosure mechanical strength.

KXD51 Explosion-proof Distribution panels for control box use
Suitable for control unit of distribution system
Note:
1. pushbuttons, indicators, control switches and explosion-proof ammeters / voltmeters etc. in KXD51-K control boxes.
2. KXD51-K control box can be used for on-off operation of circuit. It also can realize the remote control or local control of the start, stop, corotation and inversion of motor. When it is equipped with ammeter, it also can monitor the running of motor and circuit status.
3. It can be customized in accordance with user’s requirements and conforms to the usage limits of conformity certificate. The number of cover components and the Max. number of holes on side can meet the requirements of dissipated power and enclosure mechanical strength.

Typical scheme diagram



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