MS 220 DA
11
10
20-28 VDC
10 mA
12
20-28 VDC
60 mA
co
m
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
12
1
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 ST
OP
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.
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