Datasheet

ESG 5.7
1-phase direct-current voltage monitoring relay
EMR SU21I, SU21J, SU21K, SU21L
Technical data
Nominal voltage 2 W
Ripple at dc 10%
Drop-out voltage according to switching threshold
Base accuracy ±5% (of maximum nominal value)
Adjustment accuracy ±5% (of maximum nominal value)
Repetition accuracy ≤2% (of maximum nominal value)
Temperature influence <0.1% / °C
Recovery time 500 ms
Measuring circuit: Measured variable dc or ac sine (16.6 ... 400 Hz)
Input:
12/24/36/48 Vdc terminals 2 (A1) and 10 (A2)
Overload capacity:
12/24/36/48 Vdc -25% ... +30%
Input resistance:
12/24/36/48 Vdc according to nominal voltage 2 W
Switching threshold:
Max: 80% ... 130% von U
N
Min: 75% ... 125% von U
N
Type key
Construction
D Industrial design 22.5 mm
S pluggable 11 poles
Function
U Voltage
I Current
P CosPhi
T Temperature
S Star-Delta
Measuring circuit
A No measuring circuit I 12 Vdc
B 3(N)~115/66 Vac J 24 Vdc
C 3(N)~230/132 Vac K 36 Vdc
D 3(N)~400/230 Vac L 48 Vdc
E 1 ≅ 30/60/300 Vac/dc M 1~110 Vac
F 1 ≅ 100mA/1A/10A ac/dc N 1~230 Vac
G PTC O 1 A
H CosPhi P 5 A
Output
1 1 changer
2 2 changers
3 1 NC contact / 1 NO contact
Special functions
1 = Additional asymmetry monitoring
Connecting voltage
1 Measuring circuit
2 24...240 Vac/dc
3 230 Vac
S U 2 1 I ...EMR