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Temperature
Type
Lead length
Code
Class
Cross section
Coating/
Conductor
Colour
standard
(VDE)
Insulation
L510
B
0.25 mm2
Textil/Lack
tinned copper
black
F 11
100–20 mm
L517
F
0.25 mm2
Polyolefine
tinned copper
blue
L515
C
0.24 mm2
PTFE
silvered copper
white
L520
B
0.5 mm2
Textil/Lack
tinned copper
yellow
B 11/
100–20 mm
L531
F
0.5 mm2
Polyolefine
tinned copper
blue
B 12
L528
H
0.5 mm2
FEP
tinned copper
white
L540
C
0.62 mm2
PTFE
silvered copper
white
Lead stripping: standard 6 ± 1 mm
a = ends stripped
b = half insulated
c = stripped and lead end tinned
INSULATION
Standard versions of the thermostats are un-insula-
ted.
If insulation is desired, the standard insulation
(class) should be selected for the appropriate res-
ponse temperature or max. operating temperature.
Example:
The temperature resistance of the connecting leads
allows for the nominal response temperature of the
cutout.
The leads used are consistent with insulation class
and dielectric strength stated.
CONNECTIONS (Standard)
U102 (F11 )
U112 ( F11 )
U185 (F11 )
U105 (B11 / B12 )
U112 ( B11/B1 2 )
U186(B11 / B1 2 )
Type
Version
Description
Insulation
Class (VDE)
Standard
F 11
U 102
SHB transparent shrink
B
material
F 11
U 104
SSB radiation cross-linked
B
heat-shrink sleeve
black for normally closed
F 11
U 106
SSH radiation cross-linked
F
heat-shrink sleeve
transparent
F 11
U 116
Standard
H
shrink sleeve PTFE
F 11
U 112
UWF coating
F
hard epoxy
F 11
U 185
Standard
B
Insulation cap ST
F 11
U 180
Insulation cap PET
H
Standard
B 11/B 12 U 103
SHB transparent shrink
B
material
B 11/B 12 U 105
SSB radiation cross-linked
B
heat-shrink sleeve
black for normally closed
U 109
red for normally open
B 11/B 12 U 107
SSH radiation cross-linked
F
heat-shrink sleeve
transparent
B 11/B 12 U 139
shrink sleeve PTFE
H
B 11/B 12 U 112
UWF coating
F
hard epoxy
Standard
B 11/B 12 U 186
Insulation cap ST
B
B 11/B 12 U 181
Insulation cap PET
H
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