Table 278: 49T Output signals
Name Type Description
TRIP BOOLEAN Trip
PICKUP BOOLEAN Pickup
ALARM BOOLEAN Thermal Alarm
BLK_CLOSE BOOLEAN Thermal overload indicator. To inhibite reclose.
4.1.5.7 Settings
Table 279: 49T Group settings (Basic)
Parameter Values (Range) Unit Step Default Description
Env temperature Set -50...100 °C 1 40 Ambient temperature used when no external
temperature measurement available
Temperature rise 0.0...200.0 °C 0.1 78.0 End temperature rise above ambient
Maximum temperature 0.0...200.0 °C 0.1 105.0 Temperature level for trip
Trip temperature 80.0...120.0 % 0.1 100.0 Trip temperature, percent value
Alarm temperature 40.0...100.0 % 0.1 90.0 Alarm temperature, percent value
Reclose temperature 40.0...100.0 % 0.1 60.0 Temperature for reset of block reclose after trip
Short time constant 6...60000 s 1 450 Short time constant in seconds
Long time constant 60...60000 s 1 7200 Long time constant in seconds
Weighting factor p 0.00...1.00 0.01 0.40 Weighting factor of the short time constant
Table 280: 49T Group settings (Advanced)
Parameter
Values (Range) Unit Step Default Description
Current reference 0.05...4.00 xIn 0.01 1.00 The load current leading to Temperature raise
temperature
Table 281: 49T Non group settings (Basic)
Parameter
Values (Range) Unit Step Default Description
Operation 1=enable
5=disable
1=enable Operation Disable / Enable
Table 282: 49T Non group settings (Advanced)
Parameter
Values (Range) Unit Step Default Description
Initial temperature,
percent value
0.0...100.0 % 0.1 80.0 Temperature raise at startup
1MAC059074-MB A Section 4
Protection functions
615 series ANSI 283
Technical Manual
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