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Report
No.
100711
TRF No. IECEN60950_1C
2.7.3
Short-circuit backup protection
N
2.7.4
Number and location of protective devices .......... :
N
2.7.5
Protection by several devices
N
2.7.6 Warning
to
service personnel................................ :
N
2.8 Safety
interlocks
⎯
2.8.1 General
principles
No safety interlocks.
N
2.8.2 Protection
requirements
N
2.8.3 Inadvertent
reactivation
N
2.8.4 Fail-safe
operation
N
2.8.5 Moving
parts
N
2.8.6 Overriding
N
2.8.7
Switches and relays
N
2.8.7.1 Contact
gaps (mm) ............................................... :
N
2.8.7.2 Overload
test
N
2.8.7.3 Endurance
test
N
2.8.7.4
Electric strength test
N
2.8.8 Mechanical
actuators
N
2.9 Electrical
insulation
⎯
2.9.1
Properties of insulating materials
Class III equipment, only
functional insulation provided.
Refer to Cl. 5.3.4
functional insulation provided.
Refer to Cl. 5.3.4
N
2.9.2 Humidity
conditioning
No test considered necessary.
N
Relative humidity (%), temperature (°C) ............... :
⎯
2.9.3
Grade of insulation
Insulation is considered to be
functional insulation, and
complies with 5.3.4 c).
functional insulation, and
complies with 5.3.4 c).
P
2.9.4
Separation from hazardous voltages
Class III equipment
N
Method(s) used ..................................................... :
⎯
2.10
Clearances, creepage distances and distances through insulation
⎯
2.10.1 General
Class III equipment powered
from a secondary (SELV)
circuit from a external PSU.
Only functional insulation is
considered.
from a secondary (SELV)
circuit from a external PSU.
Only functional insulation is
considered.
P
2.10.1.1 Frequency ............................................................. :
N
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