Siemens 7UT51 Instruction Manual page 28

2
Description of Relay
Climatic Conditions
Permissible ambient temperature
during service
during storage (in original packaging)
during transport (in original packaging)
Permissible humidity
Note: Siemens recommends that all units be installed such that they are not subjected to direct sunlight, nor to large
temperature fluctuations which may result in condensation.
Electrical Insulation
Standard
High voltage test (routine test) except d.c. voltage supply input
High voltage test (routine test) only d.c. voltage supply input
Impulse voltage test (type test) all circuits, class III
Electromagnetic Compatibility (Immunity)
Standards
High Frequency
- -
IEC 255 22 1 class III
Electrostatic discharge
- -
IEC 255 22 2 class III and IEC 1000
-
Radio frequency electromagnetic field, non
- -
IEC 255 22 3 (report) class III
-
Radio frequency electromagnetic field, amplitude modulated
- -
IEC 1000 4 3, class III
-
Radio frequency electromagnetic field, pulse modulated
- -
IEC 1000 4 3/ENV 50204, class III
Fast transients
- -
IEC 255 22 4 and IEC 1000
Conducted disturbances induced by radio
amplitude modulated; IEC 1000
Power frequency magnetic field
- -
IEC 1000 4 8, class IV; IEC 255
Electromagnetic Compatibility (Emission)
Standard
Conducted interference voltage, aux. voltage
CISPR 22, EN 55022, class B
Interference field strength
CISPR 11, EN 55011, class A
28
- -
4 2 class III
-
modulated
- -
4 4, class III
-
frequency fields,
- -
4 6, class III
-
6
−5 °C to +55 °C (23°F to +131°F)
−25 °C to +55 °C (−13°F to +131°F)
−25 °C to +70 °C (−13°F to +158°F)
Mean value per year: ≤ 75% relative humidity; up to 95%
relative humidity for up to 30 days per year. Condensation
is not permitted!
-
IEC 255 5
2 kV (rms), 50 Hz, 1 min.
2.8 kV d.c., 30s per polarity
5 kV (peak); 1.2/50 μs; 0.5 J; 3 positive and 3 negative
shots at intervals of 5 s
- -
IEC 255 6, IEC 255 22 (product standards);
-
EN 50082 2 (generic standard)
VDE 0435 /part 303
2.5 kV (peak); 1 MHz; τ = 15 μs; 400 shots/s; duration 2 s
4 kV/6 kV contact discharge; 8 kV air discharge; both
= 300 Ω
polarities; 150 pF; R
i
10 V/m; 27 MHz to 500 MHz
10 V/m; 80 MHz to 1000 MHz; 80% AM; 1 kHz
10 V/m; 900 MHz; repetition frequency 200 Hz; duty cycle
50%
2 kV; 5/50 ns; 5 kHz; burst length 15 ms; repetition rate 300
= 50 Ω; duration 1 min
ms; both polarities; R
i
10 V; 150 kHz to 80 MHz; 80% AM; 1 kHz
30 A/m continuous; 300 A/m for 3 s; 50 Hz 0.5 mT; 50 Hz
-
EN 50081 * (generic standard)
150 kHz to 30 MHz
30 MHz to 1000 MHz
7UT51 v3
PRIM-2330C