INSTALLATION MANUAL
NTR 756 D / e 09/2003- 9/13
Climatic conditions:
Type Standard Amplitude
Operating temperature IEC 60068-2-14 -5 °C +55 °C
Storage temperature IEC 60068-2-1/2 -40 °C +70 °C
Relative humidity IEC 60068-2-30 Max. 95% RH, without condensation
Degree of protection IEC 60529 IP 20
Atmosphere Absence of corrosive gas. Minimum dust
Casing material Self-extinguishing
Mechanical protection:
Type Standard Amplitude
Resistance to vibrations IEC 60068-2-6
10-57 Hz: 0.075 mm peak
57-150 Hz acceleration: 9.8 m/s²
Scrolling: 1 octave/Minute
80 minutes in each direction (X, Y, Z)
Shock resistance IEC 60068-2-27
Acceleration: 147 m/s², duration: 11 ms
3 times in each direction (X, Y, Z)
Type Standard Amplitude
Breakdown voltage
IEC/EN 60730-1
IEC/EN 60601-1
1500 VAC/50 Hz/1 mA/1 min between the following points:
Power supply terminals, I/O terminals,
Between the relay outputs,
Between the terminals and the DIN 43880 or equivalent control unit
Insulation resistance
IEC/EN 60730-1
IEC/EN 60601-1
>2 MΩ at 500 VDC between the following points:
Power supply terminals, I/O terminals,
Between the relay outputs
Between the terminals and the DIN 43880 or equivalent control unit
Impulse voltage
IEC/EN 60947-1
IEC/EN 60730-1
IEC/EN 60664-1
230 VAC version: 4 KV
24 VDC version: 0.8 KV
(Overvoltage category: 3, Degree of pollution: 3)
Safety class (protection
against electric shocks)
IEC/EN 60730-1
0: industrial mounting
II: mounting in casing for domestic use or flush-mounted in panel
Operating classification IEC/EN 60730-1 Type 1C
Ball test IEC/EN 60730-1 Casing: 75 °C; active part: 125 °C
Software class IEC/EN 60730-1 Class A
Type of mounting IEC/EN 60730-1 Independent mounting
Certification
- "CE" marked in relation to the Low Voltage Directive
(73/23/EEC + 93/68/EEC)
- Conforms with EMC Directive (89/336/EEC)
- UL/(c)UL (UL 508)
Conformity
IEC/EN 60730-1
IEC/EN 60947-1
IEC/EN 60601-1
EN 50081-1/2
EN 50082-1/2
IEC/EN 61000-6-2
IEC/EN 60601-1-2
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