
12 Technical data
108
BA6820378-03 EN
Standards and directives
Electrical safety
IEC 61010-1:2010
UL 61010-1
CAN/CSA-C22.2 No.
61010-1:2012
Safety requirements for electrical measure-
ment and control and regulation equipment and
laboratory instruments
▪ Protection class I
▪ Overvoltage category III
▪ Contamination level 2
Electromagnetic compatibility
IEC 61000-6-5, IEC/KC 61000-6-2, IEC/KC 61000-6-4, FCC 47 CFR Part 15B,
ICES-003
Environmental durability tests
IEC 60529
IP66, IP67
IEC 60068-2-1
Dry cold -25°C / 96 hours
IEC 60068-2-2
Dry heat +70°C / 96 hours
Power transformer and reactor fittings
IEC 60076-22-7
Accessories and fittings
12.2 Application table
Application
MTRAB type
Silica gel
Tap changer
DB100
1.1 kg
Arc suppression coil (Petersen coil)
DB100
1.1 kg
Air-filled cable boxes
DB100
1.1 kg
Vehicle transformers
DB100
1.1 kg
Network transformers ≤ 40 MVA
DB100T
1.1 kg
Network transformers and step-up
transformers > 40 MVA
≤ 200 MVA
DB200T
2.2 kg
Network shell transformers > 200
MVA
DB200D-T or 2x
DB200T
2)
4.4 kg
Phase shifter ≤ 40 MVA
DB100T
1.1 kg
Phase shifter > 40 MVA ≤ 200 MVA
DB200T
2.2 kg
Summary of Contents for MESSKO MTRAB
Page 1: ...Dehydrating breather MESSKO MTRAB Operating instructions BA6820378 03 EN Version 2 5 ...
Page 19: ...3 Product description 19 BA6820378 03 EN 3 2 Design versions Figure 1 Design ...
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