EB 4749 EN
3-3
Design and principle of operation
Environmental conditions and permissible temperatures
Permissible environmental conditions according to EN 60721-3
Storage
1K6 (relative humidity ≤95 %)
Transport
2K4
Operation
4K2 or 4K3 (depending on the temperature range)
–20 to +85 °C:
All versions
–40 to +85 °C:
With metal cable glands
Observe the limits in the test certificate for explosion-protected versions.
Resistance to vibration
Vibrations (sinusoidal)
According to DIN EN 60068-2-6:
2 to 9 Hz; 3.5 mm amplitude
10 to 200 Hz; 10 m/s² acceleration
200 to 500 Hz; 15 m/s² acceleration
Noise
According to DIN EN 60068-2-64:
10 to 200 Hz; amplitude 1 (m/s²)²/Hz
200 to 2000 Hz; amplitude 0.3 (m/s²)²/Hz
Requirements
EMC
Complying with EN 61000-6-1, EN 61000-6-2, EN 61000-6-3,
EN 61000-6-4, EN 61000-6-7, EN 61326 and NAMUR Recommen
-
dation NE 21
Degree of protection
IP 66
Conformity
Electrical connections
Cable glands
M20x1.5 or ½ NPT
Terminals
Screw terminals for 0.2 to 2.5 mm² wire cross-section
Explosion protection
ATEX, IECEx
See ‘Summary of explosion protection approvals’ on page 3-4.
Materials
Enclosure and cover
Die-cast aluminum EN AC-44300/EN AC-43000 according to
DIN EN 1706, chromated and powder paint coated
Cable glands
Polyamide, nickel-plated brass
Other external parts
Stainless steel 1.4301/1.4310 + 1.4404/1.4409 (316 L)
Weight
0.7 kg
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