Chapter 11 Operating instructions
Flexi Classic
110 © SICK AG • Industrial Safety Systems • Germany • All rights reserved 8011509/YPP0/2015-10-26
Subject to change without notice
Technical specifications
Minimum Typical Maximum
Electrical safety EN 61 131-2
Impulse voltage withstand level
(U
imp
)
4 kV
Overvoltage category II
Contamination level 2 inside, 3 outside
Rated voltage 300 V AC
Enclosure rating
housing/terminals
IP 40/IP 20 (EN 60 529)
Interference resistance EN 61 000-6-2
Radiated emission EN 61 000-6-4
Terminal and connection data
Single-wire or fine-wire
1 × 0.14 mm² to 2.5 mm² or
2 × 0.14 mm² to 0.75 mm²
Fine-wire with terminal crimps to
EN 46 228
1 × 0.25 mm² to 2.5 mm² or
2 × 0.25 mm² to 0.5 mm²
Insulation stripping length – – 8 mm
Maximum tightening torque – – 0.6 Nm
For UL 508 and CSA applications
UE410-xx3…, UE410-xxx3…
– Connection cross-section
AWG 30-12 (only use 60/75°C copper flexible wire)
– Tightening torque
5-7 lb⋅in
UE410-xx4…, UE410-xxx4…
– Connection cross-section
AWG 30-12 (only use 60/75°C copper flexible wire)
Safety specific characteristics
All these data are based on an ambient temperature of +40 °C.
Safety integrity level
34)
SIL3 (IEC 61 508)
SIL claim limit
34)
SILCL3 (EN 62 061)
Category Category 4 (EN ISO 13 849-1)
Performance Level
34)
PL e (EN ISO 13 849-1)
PFD 1.6 × 10
-7
PFHd at I = 0.75 A,
switching frequency = h
–1
1.2 × 10
–9
(see also Tab. 46)
B
10d
value,
switching frequency = h
–1
0.75 A (AC 15)/4,150,000 (see also Tab. 46)
SFF 99.6 %
DC 99 %
T
M
(mission time)
Depending on PFHd value, ambient temperature,
load and switching operations (see Tab. 46)
34)
For detailed information on the safety design of your machine/system, please contact your local SICK
representative.
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