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 M
Ω
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
