Danfoss VLT AutomationDrive FC 300 Design Manual page 262

Options and Accessories
ATEX Certification with FC 302
The MCB 112 has been certified for ATEX, which means that the FC 302 together with the MCB 112 can now be used with
motors in potentially explosive atmospheres. See the MCB 112 VLT
Figure 9.16 ATmosphère EXplosive (ATEX) Symbol
Electrical Data
Resistor Connection
PTC compliant with DIN 44081 and DIN 44082.
Number
Shut-off value
Reset value
Trigger tolerance
Collective resistance of the sensor loop
9 9
Terminal voltage
Sensor current
Short-circuit
Power consumption
Testing Conditions
EN 60 947-8
Measurement voltage surge resistance
Overvoltage category
Pollution degree
Measurement isolation voltage Vbis
Reliable galvanic isolation until Vi
Perm. ambient temperature
Moisture
EMC resistance
EMC emissions
Vibration resistance
Shock resistance
Safety System Values
EN 61508 for Tu=75 °C ongoing
SIL
HFT
PFD (for yearly functional test)
SFF
λ
+λ
s DD
λ
DU
Ordering number
260
Design Guide
®
Danfoss A/S © Rev. 2014-02-10 All rights reserved.
PTC Themistor Card for more information.
≤ 2.5 V for R ≤3.65 Ω, ≤9 V for R=∞
-4 °F ... +140 °F [-20 °C ... +60 °C]
5–95%, no condensation permissible
2 for maintenance cycle of 2 years
1 for maintenance cycle of 3 years
1..6 resistors in series
3.3 Ω.... 3.65 Ω ... 3.85 Ω
1.7 Ω .... 1.8 Ω ... 1.95 Ω
± 11 °F [± 6 °C]
<1.65 Ω
≤ 1 mA
20 Ω≤R ≤40 Ω
60 mA
6000 V
III
2
690 V
500 V
EN 60068-2-1 Dry heat
EN61000-6-2
EN61000-6-4
10 ... 1000 Hz 1.14 g
50 g
0
-3
4.10 *10
78%
8494 FIT
934 FIT
130B1137
MG34S222