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Isolating switch DX ≤63 A
direct current, 800V
Cat. n°(s) : 4 142 21 / 23 / 24 / 26
5. GENERAL CHARACTERISTICS
(continued)
Minimum operating voltage:
. 12 V DC per pole.
Shocks withstand rated voltage:
. Uimp = 8 kV.
Isolation voltage:
. Ui = 1000 V.
Isolation distance:
. The distance between contacts is more than 5,8mm when the
handle is in open position « O-Off »
. DX DC circuit breaker are suitable for the isolation in accordance
with EN/IEC 60947-3
Category of use:
. DC21B.
Rated short-time withstand current:
. Icw = 12 x In minimum.
Rated short-circuit making capacity:
. Icm = 1500 A.
Short-circuits withstand:
. Icc = 5000 A.
Effort to operate the handle:
. 0,5 Nm per device when closing the contacts.
. 0,3 Nm par device when opening the contacts.
Endurance:
. 20000 operations without load.
. 2000 operations at In and Un.
Enclosure material:
. Polyester.
. Characteristics of this material: self extinguishing, heat and fire
resistant according to EN 60898-1, glow-wire test at 960°C for
external parts made of insulating material necessary to retain in
position current-carrying parts and parts of protective circuit (650°C
for all other external parts made of insulating material).
Weight of the isolating switch:
. 0,581 kg.
Volume and packaging:
Volume (dm3)
Double pole 1,2 dm3
Ambient temperatures:
. Operation: from - 25℃ to + 70℃
. Storage: from - 40℃ to + 70℃
Degree or class of protection:
. Protection index of terminals against solid and liquid bodies:
IP 20 (in according with standards IEC 529, EN 60529 and NF C
20-010).
. Protection index of the box against solid and liquid bodies:
IP 40 (in according with standards IEC 529, EN 60529 and NF C
20-010).
. Protection index against mechanical shocks: IK 02 (in according
with standards EN 50102 et NF C 20-015).
5. GENERAL CHARACTERISTICS
(continued)
Sinusoidal vibration resistance in accordance with
IEC 60068.2.6:
. Axis : x, y, z.
. Frequency range: 5÷100 Hz ; duration 90 min.
. Displacement (5÷13,2 Hz) : 1mm
. Acceleration (13,2÷100 Hz) : 0,7g (g=9,81 m/s
2).
Pollution degree :
. 3 in accordance with EN/IEC 60898-1.
Dielectric strength:
. 2000 V
Dissipated power (W):
. For the 2P isolating switch
In 16 A 25 A 32 A 63 A
2P 1,5 2,4 3,1 5,5
. Impedance of the isolating switch (Ω) = P dissipée
In2
Derating of the isolating switch in terms of ambient
temperature :
. Reference temperature : 40 °C in accordance with EN/IEC 60947-3
standard.
. Rated characteristics of the isolator switch may be modified
depending on the ambient temperature inside the enclosure where it
is installed.
Ambient temperature in °C
Current in Amps
In (A) - 25°C - 10°C 0°C 10°C 20°C
16 21,9 20,0 18,7 18,0 17,3
25 34,5 31,5 29,5 28,3 27,2
32 45,8 41,0 37,8 36,5 34,9
63 88,1 80,6 75,6 72,5 69,9
Ambient temperature in °C
Current in Amps
In (A) 30°C 40°C 50°C 60°C 70°C
16 16,6 16,0 15,4 14,7 14,1
25 26,0 25,0 24,0 22,7 21,7
32 33,3 32,0 30,7 20,1 27,8
63 66,1 63,0 59,8 56,1 52,9
: F01282EN/02 Updated : 24/08/2016 created : 7/10/2011
