ABB REF601 CEI - Technical data; Dimensions; Power Supply; Energizing inputs

1MDU07205-YN rev. F
REF601 CEI
User’s manual
17
Technical data
Section 3 Technical data
Power Supply
U
aux
nominal 24...240 V AC, 50 Hz
24...240 V DC
U
aux
variation 85...110% of Un (20.4...264 V AC)
70...120% of Un (16.8...288 V DC)
Burden of auxiliary voltage supply
under quiescent (Pq)/operating
condition
< 5.0 VA
Ripple in the DC auxiliary voltage Max 12% of the DC value (at frequency of 100
Hz)
Maximum interruption time in the
auxiliary DC voltage without
resetting the relay
50 ms at U
aux
rated
Dimensions
Width frame 130.0 mm,
case 121.5 mm
Height frame 160.0 mm,
case 151.5 mm
Depth case 92 mm, 101 mm with terminal
Weight relay 1.2 kg
Energizing inputs
Rated frequency 50 Hz ± 5 Hz
Phase current
inputs
Input type Rogowski coil sensor
Nominal primary current
In(amp) selection
80A , 250A
Rated transformation ratio,
K
ra
250A / 0.15V at 50Hz
250A / 0.18V at 60Hz
Linear current measurement
range
8 A - 25 kA
Earth current input Input type Current Transformer
Rated current, I
n
40 / 1A
Burden at rated current < 0.1 VA at 1A
Linear current measuring
range
0.025 x In - 12.5 x In
Thermal withstand capability:
• Continuously
• For 1 s
5 A
100 A
Dynamic current withstand:
• Half-wave value 250 A