Bender LINETRAXX MRCDB423 Manuel - Page 17
Parcourez en ligne ou téléchargez le pdf Manuel pour {nom_de_la_catégorie} Bender LINETRAXX MRCDB423. Bender LINETRAXX MRCDB423 20 pages. Modular residual current device type b for additional protection (protection against indirect contact) in earthed systems (tn and tt systems)
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Technical data
Insulation coordination acc. to IEC 60664-1/
IEC 60664-3
MRCDB423-D-1:
Rated voltage ....................................................................100 V
Overvoltage category/pollution degree............................... III/2
Rated impulse voltage .................................................... 2.5 kV
MRCDB423-D-2:
Rated voltage .................................................................. 250 V
Overvoltage category/pollution degree............................... III/2
Rated impulse voltage ....................................................... 4 kV
Protective separation (reinforced insulation) between ................
........................... (A1, A2) - (k, l, T/R) - (11, 12, 14) - (21, 22, 24)
Voltage tests acc. to IEC 61010-1 ..................................... 2.21 kV
Supply voltage
MRCDB42-D-1:
Supply voltage range U
..................................................... AC 24...60 V / DC 24...78 V
Operating range supply voltage U
.................................................... AC 16...72 V / DC 9.6...94 V
Frequency range U
..........................................DC, 42...460 Hz
S
MRCDB423-D-2:
Supply voltage range U
Operating range supply voltage U
Frequency range U
..........................................DC, 42...460 Hz
S
Power consumption .......................................................≤ 6.5 VA
Measuring circuit
External measuring current transformer type ..............................
.............................. CTUB101 - CTBCxx(P); CTUB101 - CTBCxxx(P)
Rated voltage (measuring current transformer) .................800 V
Operating characteristic in accordance with IEC 6075 ........type B
Rated frequency ..................................................... 0...2 000 Hz
Operating uncertainty ...................................................0...35 %
Response values
Rated residual operating current I
.......................................................... 50...100 % of I
Rated residual operating current I
.................................................................30 mA...3 A (30 mA)*
Time response
Start-up delay t ................................................................. (1 s)*
Response delay t
...............................................0...10 s (1 s)*
on1
Response delay t
...............................................0...10 s (0 s)*
on2
Operating time tae at I
= 1 x I
Δn
Operating time tae at I
= 5 x I
Δn
Response time t
............................................... t
an
Recovery time t
........................................................... ≤ 300 ms
b
.............................................................
S
.............................................
S
..............................AC/DC 100...250 V
S
................AC/DC 70...300 V
S
............................................
Δn1
............................................
Δn2
............................. ≤ 180 ms
Δn1/2
............................... ≤ 23 ms
Δn1/2
= t
an
Displays, memory
Display range measured value AC/DC ..............................0...6 A
Error of measured value display .................... ±17.5 % / ±2 digit
Measured-value memory for alarm value Data record measured
values
Password .................................................off / 000...999 (000)*
Fault memory output relay ................................................... yes
Inputs/outputs
Cable length for external test/reset button ....................0...3 m
Cable length for measuring current transformer connection .......
0...3 m
Switching elements
Number of switching elements ........... 2 x 1 changeover contact
Operating principle ................................................N/C operation
Electrical endurance, number of cycles .......................................
...........................................................................................10000
Contact data acc. to IEC 60947-5-1:
Utilisation category ......... AC-13 AC-14 DC-12 DC-12 DC-12
Rated operational voltage 230 V 230 V 24 V 110 V 220 V
for UL ...............................200 V 200 V 24 V 110 V 200 V
Rated operational current . 5 A
Minimum contact rating ......................... 1 mA at AC/DC ≥ 10 V
Environment/EMC
EMC ....... IEC 60947-2 Annex M (limit value class A according to
CISPR11)
Operating temperature .........................................-25...+55 ºC
Transport ............................................................... -25...+70 °C
Long-term storage ................................................. -25...+55 °C
Classification of climatic conditions acc. to IEC 60721
Stationary use (IEC 60721-3-3) ............................................3K23
.................................(except condensation and formation of ice)
Transport (IEC 60721-3-2) ...................................................2K11
Long-term storage (IEC 60721-3-1) .................................... 1K22
Classification of mechanical conditions acc. to IEC 60721
Stationary use (IEC 60721-3-3) ...........................................3M11
(50 %)*
Transport (IEC 60721-3-2) ................................................... 2M4
Δn2
Long-term storage (IEC 60721-3-1) ....................................1M12
Connection
Connection type ......................................... screw-type terminals
Connection properties:
Rigid/flexible ............... 0.2...4/0.2...2.5 mm2 (AWG 24...12)
Multi-conductor connection (2 conductors with the same
cross section):
Rigid/flexible ..................................... 0.2...1.5/0.2...1.5 mm2
+ t
1/2
Stripping length .......................................................... 8...9 mm
ae
on
Tightening torque ................................................. 0.5...0.6 Nm
MRCDB423_D00396_01_M_XXEN/06.2021
LINETRAXX® MRCDB423
3 A
1 A
0.2 A 0.1 A
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