System-disconnection relay EU400 NA-protection
34
Subject to technical changes
Technical Data
Control voltage Us:
Rated connection
AC/DC 24-270 V, 0/40...70 Hz, < 5 VA
DC: 20.4...297 V, AC: 20.4...297 V
Bridging time at dropping Us
230 V
→
0V: 400 ms
Output relay:
2 x change-over contact
Switching voltage
Max. AC 440 V
Conventional thermal current Ith
6 A
Inrush current (at 10 % ED)
25 A max. 4 s / 50 A max. 1 s
Nominal operating current Ie (AC 15)
Ie = 6 A Ue = 250 V
Rated operational current
DC-13 Ie = 2 A Ue = 24 V
Rated operational voltage
DC-13 Ie = 0,4 A Ue = 120 V
DC-13 Ie = 0,2 A Ue = 240 V
Recommended series fuse
gG/gL/B 6 A
Contact service life, mech.
30 x 10
6
switching cycles
Contact service life, electr.
1 x 10
6
operating cycles at AC 250 V / 6 A
2 x 10
5
operating cycles at AC 250 V / 10 A cos φ 0.6
Clearance and creepage distance K1-K2
>= 3mm
Voltage measurement:
Measurement voltage phase
– phase
AC 15…530 V (< 5 V: 0 is displayed)
Adjustment range phase
– phase
AC 15…520 V
Measurement voltage phase
– N
AC 10…310 V (< 5 V: 0 is displayed)
Adjustment range phase
– N
AC 15…300 V
Measurement principle
Real root mean square measurement both half waves
Hysteresis
Adjustable
1.0…180.0 V
Measurement error (with N)
± 0.6 % of the measurement value
Measurement error (without N)
± 0.8 % of the measurement value
Display accuracy
>100V: -1 digit (res. 1 V),
<100V: -1 digit (res. 0.1V)
Measurement function
3-phase with/without N
Response time
Adjustable
0.05 (±15ms)… 300.0 s
Reset time
Adjustable 0(>200ms) … 6000 s
Input resistance Phase-N
227
kΩ
disengaging ratio
< 2 % (at values > 20 V)
Frequency measurement:
Frequency range
40…70
Hz
Adjustment range
45.00…65.00 Hz
Hysteresis
0.05…10.00 Hz
Measurement accuracy
± 0.04Hz ± 1 digit
Response time
Adjustable
0.05 (±15ms)…300.0 s
Reset time
Adjustable 0 (>200ms) … 6000 s
Frequency undervoltage protection
off / 10,0…320 V
Zero voltage:
Measurement voltage phase
– N
AC 0…310 V
Adjustment range phase
– N
AC 1…300 V
Measurement principle
U
0
is calculated by U
Lx-N
and
φ
Lx
Hysteresis
Adjustable
1.0…180.0 V
Measurement error (with N)
± 1.8 % of the measurement value
Display accuracy
>100V: -3 digit (res. 1 V),
<100V: -3 digit (res. 0.1V)