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DXTM Lexic direct current mcb
20
20 A,
A, 800V
Cat (s) : 4 144
144 24 / 25 / 26 / 27
27 / 28
28 / 29
CONTENTS
PAGES
1. Description - Use ................................ 1
2. Range................................................. 1
3. Overall dimensions ............................. 1
4. Preparation - Connection .................... 1
5. General characteristics ....................... 2
6. Compliance and approvals.................. 4
7. Auxiliaries and accessories................. 4
1. DESCRIPTION - USE
3. OVERALL DIMENSIONS
. Thermal-magnetic circuit breaker (MCB) with positive contact
indication for control, protection and isolation of electrical supplied
with direct current. This modular MCB is suitable for photovoltaic
applications
Symbol:
Symbol:
Technology :
. Limiting device
2. RANGE
Polarity
Polarity:
arity:
. 2 poles in 4 modules.
Width :
. 2 modules per pole (2 x 17,7 mm = 35,4 mm).
Polarity
X (mm)
2P
70,8 mm
Rated currents In :
4. PREPARATION - CONNECTION
Magnetic tripping curves:
Mounting:
. On symmetrical EN 60.715 rail or DIN 35 rail
. 6 / 8 / 10 / 13 / 16 / 20 A.
. B curve ( between 4 and 7 In).
Thermal threshold:
Operating
Operating positions:
Vertical
Horizontal
Upside down
On the side
. Non operating current (Inf): 1,05 In.
. Operating current (If): 1,3 In.
Rated Voltage:
. 800 V d.c. (direct current).
Breaking capacity :
. 4,5 kA according with standard EN/IEC 60947-2.
Technical data sheet : F01283EN/01
Updated : 12/10/2011
Created : 10/10/2011
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DXTM Lexic direct current mcb
20 A, 800V
Cat (s) : 4 144
144 24 / 25 / 26 / 27
27 / 28
28 / 29
4. PREPARATION - CONNECTION (continued)
4. PREPARATION - CONNECTION (continued)
Power supply:
. Only from the top like it is shown in the wiring diagram on left side
of the device.
Labelling:
. Circuit identification by way of a label inserted in the label holder
situated on the front of the product.
5. GENERAL CHARACTERISTICS
Marking on the front side:
. By permanent ink pad printing
Link cable:
. The MCB is delivered with the link cables wired.
. Semi-rigid copper cable, 16mm2
Terminal depth:
depth:
. 14 mm.
. It is necessary to use the insulating shields between terminals.
. The shields are delivered with this isolating switch.
Screw head :
. Mixed, Slotted and Pozidriv n 2.
Recommended tightening torque :
. 3 Nm.
Recommended tools:
. For terminals : 5.5 mm flat screwdriver or Pozidriv n2.
. For attaching or removing the DIN rail, 5.5 mm flat screwdriver
recommended (6 mm max)
Conductor type:
. Copper cables
Without ferrule
Rigid
cables
1 x 1.5 mm to 35 mm
Flexible
cables
1 x1.5
x1.5 mm to 25
25 mm
2 x1.5
x1.5 mm to 16 mm
2 x1.5
x1.5 mm to 10 mm
With ferrule
-
Marking on the left side:
side:
1 x 1.5 mm to 25
25 mm
. By laser: wiring diagram
Manual actuation of the MCB:
MCB:
. Ergonomic 2-position handle
. "O-OFF": Device open
. "I-ON": Device closed
Display of contact state:
. By handle mark:
. "O-OFF": white on a green background = contacts opened.
. "I-ON": white on a red background = contacts closed.
Sealing:
. Possible in the open or closed positions
Locking:
Locking:
. With padlock (Cat. No. 0 044 43 or 0 227 97), whit support for
padlock (Cat. No. 0 044 42) in the open position.
Technical data sheet : F01283EN/01
Updated : 12/10/2011
Created : 10/10/2011
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DXTM Lexic direct current mcb
20 A, 800V
Cat (s) : 4 144
144 24 / 25 / 26 / 27
27 / 28
28 / 29
5. GENERAL CHARACTERISTICS (continued):
5. GENERAL CHARACTERISTICS (continued):
Breaking capacity on one single pole (phase pole):
Pollution degree :
. 4,5 kA according with standard EN/IEC 60947-2.
. 3 in according with EN/IEC 60898-1.
Minimum operating voltage :
Dielectric
Dielectric strength:
. 12 V DC per pole
. 2,000 V
Rated impulse withstand voltage:
Dissipated power :
. Uimp = 8 kV
. Per pole, under In, in Watts
. C curve mcb
Isulation voltage
voltage:
age:
. Ui = 1000 V
In
6A
8A
10 A
13 A
16 A
20 A
Isolation distance:
2P
1,1
1,1
1,1
1,3
1,6
1,7
. The distance between the contacts is greater than 5,8mm with the
handle in the open position.
. The DX DC circuit breaker is suitable for isolation in accordance
with standard EN/IEC 60947-2
Load to close and to open of a pole trough the handle:
. 0,5 Nm per pole to close.
. 0,3 Nm per pole to open.
. Impedance per pole () = P dissipated
In2
Derating of MCB in terms of ambient temperature :
. MCB is set to operate under In at 40C ambient temperature in
accordance with standard EN/IEC 60947-2
These rated characteristics may change depending on the ambient
temperature inside the enclosure where it is installed
Mechanical endurance :
Ambient temperature / In
. 20000 operations without load
. 1500 operations with In Direct Current
Enclosure material:
. Polyester.
. Characteristics of this material: self extinguishing, heat and fire
resistant in accordance with standard EN/IEC 60898-1, glow-wire
test at 960C for external parts made of insulating material
necessary to retain in position current-carrying parts and parts of
protective circuit (650C for all other external parts made of
insulating material).
In (A)
- 25C
- 10C
0C
10C
20C
8.2
7.5
7.0
6.6
6.4
10
14.0
12.5
11.5
11.1
10.7
13
18.2
16.3
15.0
14.3
13.9
16
21.9
20.0
18.7
18.0
17.3
20
27.7
25.0
23.2
22.4
21.6
Ambient temperature / In
Average weight per pole :
. 0.584 kg per pole
Packag
Packaged
aged volume:
Volume (dm)
Double pole
1,2 dm3
Ambient temperatures:
. Operation: from - 25 to + 70
. Storage: from - 40 to + 70
In (A)
30C
40C
50C
60C
70C
6.2
6.0
5.8
5.6
5.4
10
10.3
10.0
9.7
9.3
9.0
13
13.4
13.0
12.6
12.1
11.7
16
16.6
16.0
15.4
14.7
14.1
20
20.8
20.0
19.2
18.4
17.6
Degree or class of
of protection:
. Protection index of terminals against solid and liquid bodies: IP 20
(in accordance with standards IEC 529, EN 60529 and NF C 20010).
. Protection index of the box against solid and liquid bodies: IP 40
(in accordance with standards IEC 529, EN 60529 and NF C 20010).
. Protection index against mechanical shocks: IK 02 (in accordance
with standards EN 50102 and NF C 20-015).
Sinusoidal vibration resistance in accordance with
IEC 60068.2.6:
. Axis : x, y, z.
. Frequency range: 5100 Hz ; duration 90 min.
. Displacement (513,2 Hz) : 1mm
. Acceleration (13,2100 Hz) : 0,7g (g=9,81 m/s2).
Technical data sheet : F01283EN/01
Updated : 12/10/2011
Created : 10/10/2011
3/4
DXTM Lexic direct current mcb
20 A, 800V
Cat (s) : 4 144
144 24 / 25 / 26 / 27
27 / 28
28 / 29
6. COMPLIANCE AND APPROVALS
In accordance with standards:
standards:
. EN/IEC 60947-2.
. European directives : 73/23/CEE + 93/68/CEE.
. These isolating switches can be used in the conditions of use
defined by EN/IEC 60947 standard.
. The isolating switch performances may be modified in case of
particular climatic conditions
Plastic materials :
. Halogens-free plastic materials.
. Marking of parts according to ISO 11469 and ISO 1043.
Packaging:
. Design and manufacture of packaging in accordance with Decree
98-638 of 07.20.98 and Directive 94/62/EC
7. AUXILIARIES AND ACCESSORIES
Wiring accessories :
. Sealable screw cover (Cat. No. N 0 044 44)
. Insulation shield (Cat. No. 0 044 47)
List of auxiliaries :
Signalling auxiliaries :
. Auxiliary changeover switch (Cat. No. 0 073 50) (0,5 module)
. Fault signalling changeover switch (Cat. No. 0 073 51) (0,5
module)
. Auxiliary changeover switch can be modified to fault signalling
changeover switch (Cat. No. 0 073 53) (0,5 module)
. Auxiliary changeover switch + fault signalling changeover switch
can be modified to 2 auxiliary changeover switches (Cat. No. 0 073
54) (1 module)
Control auxiliaries :
. Shunt trip (Cat. No. 0 073 60 / 61) (1 module)
. Under voltage release (Cat. No. 0 073 65 / 66 / 68) (1 module)
. Autonomous shunt trip (Cat. No. 0 073 69) (1 module)
. Auxiliaries are clipped on the left hand side of the MCB
Auxiliaries and MCBs combinations allowed :
. Auxiliaries clip on the left-hand of the MCB
. Maximum number of auxiliaries : 3
. Maximum number of control auxiliaries : 1
. Maximum number of signalling auxiliaries module : 1
. Maximum number of signalling auxiliaries 1 module : 2
. Control auxiliary (Cat. No. 0 073 6x) must be positioned on the lefthand side of the signalling auxiliary (Cat. No. 0 073 5x) in the case
of auxiliaries of this two families used with the same MCB
Install
Installation software:
. XL PRO3
Technical data sheet : F01283EN/01
Updated : 12/10/2011
Created : 10/10/2011
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