Bender RCMA423 - Page 36

Data
36
RCMA423_D00063_03_M_XXEN/03.2021
Relative uncertainty for f
≤ 2 Hz…….......................................................................................................................................0…–35 %
> 2…< 16 Hz ....................................................................................................................... –35 %…+100 %
≥ 16…≤ 1000 Hz..............................................................................................................................0…–35 %
> 1000 … ≤ 2000 Hz …....................................................................................................................... ± 35 %
Operating uncertainty....................................................................................................................................... ±17.5%
Response values
Rated residual operating current I
Δn1
(prewarning, AL1) .......................................... 50…100 % of I
Δn2
(50 %)*
Rated residual operating current I
Δn2
(main alarm, AL2) ..................................................... 30 mA…3 A (30 mA)*
Hysteresis ....................................................................................................................................... 10…25 % (15%)*
Specified time
Start-up delay t .................................................................................................................................. 0…10 s (0.5 s)*
Response delay t
on1
(prewarning) ....................................................................................................... 0…10 s (1 s)*
Response delay t
on2
(main alarm) ........................................................................................................ 0…10 s (0 s)*
Delay on release t
off
............................................................................................................................... 0…99 s (1 s)*
Operating time t
ae
for I
Δn
= 1 x I
Δn1/2
......................................................................................................... ≤ 180 ms
Operating time t
ae
for I
Δn
= 5 x I
Δn1/2
.......................................................................................................... ≤ 30 ms
Response time t
an
.............................................................................................................................. t
an
= t
ae
+ t
on1/2
Recovery time t
b
............................................................................................................................................. ≤ 300 ms
Displays, memory
Display range, measured value AC/DC ............................................................................................................ 0…6 A
Error of indication ......................................................................................................................... ±17.5 % / ± 2 digit
Measured-value memory for alarm value ..................................................................... data record measured values
Password ........................................................................................................................................ off / 0…999 (off)*
Fault memory alarm relay ........................................................................................................................ on / off (on)*
Inputs/outputs
Cable length for external test / reset button...................................................................................................0…10 m
Cable lengths for measuring current transformers
Connection CTX… (see ordering information on page 39).............................................. 1 m / 2.5 m / 5 m / 10 m
or alternatively: single wire 6 x 0.75 mm
2
................................................................................................... 0…10 m