5–60
369 MOTOR MANAGEMENT RELAY – QUICKSTART GUIDE
SPECIFICATIONS CHAPTER 5: PRODUCT DESCRIPTION
5.2
Specifications
5.2.1
Inputs
CONTROL POWER
LO range:............................................................DC: 20 to 60 V DC
AC: 20 to 48 V AC at 50/60 Hz
HI range:.............................................................DC: 50 to 300 V DC
AC: 60 to 265 V AC at 50/60 Hz
Power:..................................................................nominal: 20 VA; maximum: 65 VA
Holdup:................................................................non-failsafe trip: 200 ms; failsafe trip: 100 ms
FUSE
T 3.15 A H 250 V (5 × 20 mm)
Timelag high breaking capacity
PHASE CURRENT INPUTS (CT)
CT input (rated): ...............................................1 A and 5 A secondary
CT primary: ........................................................1 to 5000 A
Range:
for 50/60 Hz nominal frequency: ......0.05 to 20 × CT primary amps
for variable frequency: ...........................0.1 to 20 × CT primary amps
Full Scale: ...........................................................20 × CT primary amps or 65535 A maximum
Frequency:.........................................................20 to 100 Hz
Conversion:........................................................True RMS, 1.04 ms/sample
Accuracy:
at
≤
2 × CT: ....................................................±0.5% of 2 × CT for 50/60 Hz nominal freq.
±1.0% of 2 × CT for variable frequency (for sinusoidal
waveforms)
at > 2 × CT: ....................................................±1.0% of 20 × CT for 50/60 Hz nominal freq.
±3.0% of 12 × CT or less for variable frequency (for
sinusoidal waveforms)
PHASE CT BURDEN
PHASE CT CURRENT WITHSTAND
DIGITAL / SWITCH INPUTS
Inputs:..................................................................6 optically isolated
Input type:..........................................................Dry Contact (< 800
Ω
)
Function:.............................................................Programmable
PHASE CT
INPUT (A)
BURDEN
VA
(
Ω
)
1 A
1
0.03
0.03
5
0.64
0.03
20
11.7
0.03
5 A
5
0.07
0.003
25
1.71
0.003
100
31
0.003
PHASE CT
WITHSTAND TIME
1 s
2 s
continuous
1 A
100 × CT
40 × CT
3 × CT
5 A
100 × CT
40 × CT
3 × CT