ABB REF630 User Manual

Table 40. Three-phase thermal overload (T1PTTR) main settings
Parameter Function Value (Range) Step
Env temperature Set
(Ambient
temperature used
when the AmbSens is
set to Off)
T1PTTR -50...100 deg 1
Current multiplier
(Current multiplier
when function is
used for parallel
lines)
T1PTTR 1...5 1
Current reference T1PTTR 0.05...4.00 pu 0.01
Temperature rise
(End temperature
rise above ambient)
T1PTTR 0.0...200.0 deg 0.1
Time constant (Time
constant of the line
in seconds)
T1PTTR 1...1000 min 1
Maximum
temperature
(temperature level
for operate)
T1PTTR 20.0...200.0 deg 0.1
Alarm value
(Temperature level
for start (alarm)
T1PTTR 20.0...150.0 deg 0.1
Reclose temperature
(Temperature for
reset of block reclose
after operate)
T1PTTR 20.0...150.0 deg 0.1
Initial temperature
(Temperature raise
above ambient
temperature at
startup)
T1PTTR -50.0...100.0 deg 0.1
Feeder Protection and Control 1MRS756380 A
REF630
Product version: 1.0 Issued: 15.09.2009
36 ABB

ABB REF630 Specifications

General

Brand	ABB
Model	REF630
Category	Protection Device
Language	English