Data Sheet

Example: 70 series, three-phase voltage monitoring relay, 1 output , supply voltage 380…415 V AC.
Ordering information
D: Fault memory option
0 = No fault memory
2 = Fault memory function selectable
C: Time delay setting
0 = Fixed switch-off delay
2 = Adjustable switch-off delay
3 = Adjustable switch-off
delay and asymmetry
B: Contact circuit
0 = CO
A: Detection values
0 = Non-adjustable detection values
2 = 2 adjustable detection values
Codes
70.11.8.230.2022
70.31.8.400.2022
70.41.8.400.2030
70.61.8.400.0000
Series
Type
1 = 1 phase AC line monitoring
3 = 3 phase AC line monitoring
4 = 3 phase + neutral AC line monitoring
6 = 3 phase loss and rotation monitoring
No. of poles
1 = 1 pole
Supply version
8 = AC (50/60 Hz)
Supply voltage
230 = 220…240 V (70.11)
400 = 380…415 V (70.31/41)
400 = 208…480 V (70.61)
3 1 2 08 2 2
... .
40070
70 Series - Line monitoring relay
ABCD
3
IX-2012, www.findernet.com
Insulation 70.11/31/41 70.61
Between supply and contacts dielectric strength V AC 2,500 3,000
impulse (1.2/50 μs) kV 4 5
Between open contacts dielectric strength V AC 1,000 1,000
impulse (1.2/50 μs) kV 1.5 1.5
EMC specifications
Type of test Reference standard
Electrostatic discharge contact discharge EN 61000-4-2 4 kV
air discharge EN 61000-4-2 8 kV
Radiated electromagnetic field 80 … 1,000 MHz EN 61000-4-3 10 V/m
1 … 2.8 GHz EN 61000-4-3 5 V/m
Fast transients on supply terminals EN 61000-4-4 4 kV
(burst 5/50 ns, 5 and 100 kHz)
Voltage pulses on supply common mode EN 61000-4-5 4 kV
terminals (surge 1.2/50 μs) differential mode EN 61000-4-5 4 kV
Radiofrequency common mode on supply terminals EN 61000-4-6 10 V
voltage (0.15…230 MHz)
Voltage dips 70 % U
N
EN 61000-4-11 25 cycles
Short interruptions EN 61000-4-11 1 cycle
Radiofrequency conducted emissions 0.15…30 MHz CISPR 11 class B
Radiated emissions 30…1,000 MHz CISPR 11 class B
Terminals solid cable stranded cable
Max. wire size mm
2
1 x 6 / 2 x 4 1 x 4 / 2 x 2.5
AWG 1 x 10 / 2 x 12 1 x 12 / 2 x 14
Screw torque Nm 0.8
Wire strip length mm 9
Other data 70.11 70.31/41 70.61
Power lost to the environment without output current W 0.8 0.9 1
with rated output current W 2 1.2 1.4
Technical data
Monitoring and function overview
70.11 70.31 70.41 70.61
Supply system type Single phase system 3-phase systems 3-phase systems 3-phase systems
Nominal voltage 50/60 Hz V 220...240 380...415 380...415 208...480
Undervoltage with/without memory (selectable)
••
——
Overvoltage with/without memory (selectable)
••
——
Window Mode with/without memory (selectable)
••
——
Window Mode without memory — —
•
—
Phase loss —
•••
Phase rotation —
•••
Phase asymmetry — —
•
—
Neutral loss selectable — —
•
—