Specifications

MS 220 DA
11
10
20-28 VDC 10 mA
12
20-28 VDC
60 mA
com
ZIEHL
X44
12 13 18 19 27 29 32 33 20 37
3
NC
4
NC
5
NC
6
NC
7
NC
8
NC
9
NC
10 11
NC
121
T1
2
T2
T
P
T
P
PTC
M3~
130BA638.10
DO
Motor protection
MCB 112 PTC Thermistor Card
Option B
Reference for 10, 12
DO FOR SAFE STOP T37
Code No.130B1137
Control Terminals of FC302
Illustration 3.13 Installation of MCB 112
ATEX Certification with FC 102
The MCB 112 has been certified for ATEX, which means
that the frequency converter with the MCB 112 can now
be used with motors in potentially explosive atmospheres.
See the Operating Instructions for the MCB 112 for more
information.
Illustration 3.14 ATmosphère EXplosive (ATEX)
Electrical Data
Resistor connection
PTC compliant with DIN 44081 and DIN 44082
Number 1..6 resistors in series
Shut-off value 3.3 Ω.... 3.65 Ω ... 3.85 Ω
Reset value 1.7 Ω .... 1.8 Ω ... 1.95 Ω
Trigger tolerance ± 6 °C
Collective resistance of the sensor loop < 1.65 Ω
Terminal voltage ≤ 2.5 V for R ≤ 3.65 Ω, ≤ 9 V for R = ∞
Sensor current ≤ 1 mA
Short circuit 20 Ω ≤ R ≤ 40 Ω
Power consumption 60 mA
Testing conditions
EN 60 947-8
Measurement voltage surge resistance 6000 V
Overvoltage category III
Pollution degree 2
Measurement isolation voltage Vbis 690 V
Reliable galvanic isolation until Vi 500 V
Perm. ambient temperature -20 °C ... +60 °C
EN 60068-2-1 Dry heat
Moisture 5-95%, no condensation permissible
EMC resistance EN61000-6-2
EMC emissions EN61000-6-4
Vibration resistance 10 ... 1000 Hz 1.14 g
Shock resistance 50 g
Safety system values
EN 61508 for Tu = 75 °C ongoing
SIL 2 for maintenance cycle of 2 years
1 for maintenance cycle of 3 years
Selection Design Guide
MG11BC02 Danfoss A/S © Rev. 06/2014 All rights reserved. 59
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