Table of Contents
Advertisement
TECHNICAL DATA
Ratings
AC current I
:
n
Frequency:
Auxiliary supply:
Superimposed AC ripple on DC supply:
DC supply interruption:
Binary input circuit DC voltage:
Overload Ratings
AC phase current inputs:
Burden
AC phase current inputs:
AC earth current inputs:
AC sensitive earth inputs:
DC power supply:
Binary input circuit:
Current Transformer Requirements
Phase Inputs
Standard Earth Inputs:
Sensitive Earth Inputs:
Phase Overcurrent Protection (50, 51)
st
nd
1
, 2
Overcurrent threshold:
Delay type:
IDMTL Time Multiplier Setting TMS:
DTL delay:
Reset Type:
Reset Definite Delay:
Reset Time Multiplier Setting RTMS:
rd
th
3
, 4
Overcurrent thresholds:
DTL delay:
1/5A (combined)
50/60Hz
110-250Vdc or 100-220Vac
(Operative range: 88–300Vdc / 80–264Vac)
48-110Vdc (Operative range: 38.4 – 132Vdc)
24-48Vdc (Operative range: 19.2 – 60.0Vdc)
maximum 12%
maximum 50ms at 110V
For alarm indication
110-250Vdc (Operative range: 88 - 300Vdc)
48-110Vdc (Operative range: 38.4 – 132Vdc)
24-48Vdc (Operative range: 19.2 – 60.0Vdc)
For trip circuit supervision
Operative range: ≥38.4V (for 110Vdc rating)
≥88V (for 220/250Vdc rating)
≥19.2V (for 48Vdc rating)
≥9.6V (for 24Vdc rating)
4 times rated current continuous
100 times rated current for 1 second
≤ 0.2VA
≤ 0.4VA
≤ 1.2VA
≤ 10W (quiescent)
≤ 15W (maximum)
≤ 0.5W per input at 220Vdc
Typically 5P20 with rated burden according to load, (refer to
manual for detailed instructions).
Core balance CT or residual connection of phase CTs.
Core balance CT.
OFF, 0.10 – 25.00A in 0.01A steps
DTL, IEC NI, IEC VI, IEC EI, UK LTI, IEEE MI,
IEEE VI, IEEE EI, US CO8 I, US CO2 STI
0.010 – 1.500 in 0.001 steps
0.00 - 300.00s in 0.01s steps
Definite Time or Dependent Time.
0.0 – 300.0s in 0.1s steps
0.010 – 1.500 in 0.001 steps
OFF, 0.10 - 150.00A in 0.01A steps
0.00 - 300.00s in 0.01s steps
252
6 F 2 T 0 1 7 2
- Quick Links:
- Inverse Time Overcurrent Protection
Hide quick links:
Advertisement
Table of Contents
