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MA-5191A
21-10-2021
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Figure 5. Dimensions and wiring EDT-150-5191
5.1.1.2
ELECTRICAL BEHAVIOUR:
The following groups have been defined to specify the dielectric strength:
GROUP SIGNAL
G1
AC input
G2
Alarms
G3
Temperature 48V B NC
G4
Ethernet Port
G5
Earth
The dielectric strength between groups is as follows:
Test poles
Lightning
impulse
1.2/50µs
Dielectric
strength
50Hz 1 minute
Isolation with
impulse
Pole-1
Pole-2
G1
G2 + G3 + G4 + G5
± 5 kV
2 kVac
± 5 kV
G2
G1 + G3 + G4 + G5
± 2 kV
1 kVac
± 2 kV
G3
G1 + G5
(G2 + G4 together without
connecting to G5)
± 5 kV
2 kVac
± 5 kV
G4
G1 + G2 + G3 + G5
± 2 kV
1 kVac
± 2 kV
5.1.1.3
PROTECTION
The mains input is protected by a fuse dimensioned for extreme cases in which the equipment
could break internally and require specialised technical service.
The equipment is protected as follows:
J1
J3
J4
J2
ETH