Belt Conveyor - Pull Rope Switch
HEN
Leaflet No.
Kiepe 358
APPLICATION
Kiepe pull rope emergency stop switches are used according to DIN
EN 620 requirements together with functionally suited accessories,
largely consisting of pull rope, tension springs and eyebolts, for
the assembly of emergency stop systems at fixed belt conveyors.
These emergency stop systems meet the requirements of international safety standards to ensure safety at work and to prevent
damage and destruction of the machine (BGI 710).
OPERATION
The emergency stop function is implemented with positive making
normally closed contacts according to the closed circuit principle.
The direct operating switching mechanism inside the switch is of
snap action and is actuated when the pull rope is either pulled
in any direction or if the rope breaks. After the triggering of the
emergency stop function, the switching mechanism locks in the off
position. Through manual actuation of the blue reset lever locally
at the pull rope switch the switching mechanism is reset to the
operating position and the belt conveyor is prepared for start-up.
The resetting of the switching mechanism may not start the belt
conveyor.
With the HEN type pull rope switch, the pull rope is symmetrically
tensioned on both sides of the red release lever and thus a
complete compensation of the rope forces at the release lever
is achieved. For this reason, double-sided pull rope switches of
the HEN design are especially suitable for outdoor use with large
changes of the ambient temperature (summer – winter) of up to
60°C and more.
T E C H N I C A L D ATA
Complies with
EN 620, BGI 710 (UVV-VGB 10)
DIN EN ISO 13850, EN 60947-5-5, EN 60947-5-1
Suited for
Enclosure
Finish
controls and facilities according to EN 60204
Aluminum alloy GK-AlSi 12
2 component DD-tile enamel, yellow, RAL 1004
Actuating lever, red, RAL 3000
Reset lever, blue, RAL 5010
2 oblong holes for M8 screws
- 25 °C ... + 70 °C
- 40 °C ... + 70 °C for HEN 70x models
IP 67 according to EN 60529
max. 3NC and 3NO cam operated switches, positive making,
snap action
Mounting
Admissible ambient temperature
Extended temperature range
Protection
Switching system
Rated operating voltage Ue
Conventional thermal current Ith
Breaking capacity
AC-15
DC-13
AC 240 V, DC 250 V
16 A
Ue = 230 V, Ie = 6 A
Ue = 110 V, Ie = 1.1 A
Cable entry
Threaded holes, 2 x M25 x 1.5
1 x screwed cable gland M25 x 1.5; sealing area Ø 11mm to Ø 16mm
1 x dummy plug M25 x 1.5
Connection cross section
Protective conductor connection
Contact life
Mechanical life
Optional
max. 2,5 mm2
Inside enclosure, M4, max. 2.5 mm2
0.5 x 106 switching cycles at 100 % Ie
104 switching cycles
Ventilation duct to avoid condensation
Gold-plated contacts
Dome light
Please note: The switches may be used in control circuits only!
S E L E C T I O N TA B L E
Type
Contact configuration
NC
NO
HEN 001
HEN 002
HEN 003
HEN 004
HEN 005
HEN 006
HEN 701
HEN 702
HEN 703
1
2
3
1
2
3
1
2
3
1
2
3
1
2
3
1
2
3
dome light
Temperature Range
-40 °C … +70 °C
Order number
91.043 450.001
91.043 450.002
91.043 450.003
91.043 450.004
91.043 450.005
91.043 450.006
91.043 450.701
91.043 450.702
91.043 450.703
x
x
x
x
x
x
Accessories and spares
Pull rope red, flexible steel wire, plastic coated, 3 mm n.
50 m length
100 m length
500 m length
94.045 731.011
94.045 731.021
94.045 731.031
Eyebolt M12 x 60 for rope guidance
Eyebolt M12 x 200 for rope guidance
Tension spring, stainless steel, 170 mm x 20 mm n
Swing hook M10, to attach the tension spring to a fix point at the conveyor structure
Turnbuckle, metal, 1 hook, 1 eye
Turnbuckle, metal, 2 eyes
Rope clamp, egg-formed, size 3
Chain link
Return pulley M 10 x 125, 70 mm n
Switch element SN 4
Switch element SN 4, with gold-plated contacts
Ventilation duct
94.045 727.001
94.045 727.002
94.000 026.681
94.045 728.001
215.22.80.02.01
94.045 729.002
94.047 869.001
94.047 870.001
580.00.37.01.01
220.03.01.01.01
220.03.01.01.02
580.00.16.01.01
A S S E M B LY
The pull rope switches are aligned along the construction of a
belt conveyor using tension springs, eyebolts, pull rope and
turnbuckles. One tension spring is installed at fixed points on both
sides of the pull rope switch via an swing hook according to the assembly diagram. Starting at the tension springs, the pull rope is led
through the eyebolts and hooked on both sides of the release lever
of the switch with turnbuckles. The pull rope is tensioned with the
turnbuckles in such a way that equal forces act on both sides of the
release lever and it is found in the vertical operating position. The
tension of the rope has to be strong enough to actuate the switch
if the rope breaks.
The pull rope switch has to be positioned in the middle between
the two fixed points. The maximum distance between the fixed
points should not exceed approximately 100 m. The choice of
the distance between the eyebolts is dependent on the ambient
temperature range and the length of the pull rope. A value of
approximately 2.5 m is recommended. The actuating travel of the
tension springs must be limited. The function of the emergency
stop system shall be checked in regular intervals of about 2 to 3
month.
A S S E M B LY D I A G R A M
Swing hook
Turnbuckle
Turnbuckle
Clamp
Tension spring
Clamp
Switching travel
Eyebolt
M 12 x 60
15° 15°
Trip travel
max. 0,3m
Rope loop
α
max. 2,5m
Swing hook
Pull rope
Eyebolt
M 12 x 60
Tension spring
Actuating distance
Pull rope
α
max. 2,5m
Rope loop
CONNECTION DIAGRAM
Switching elements according to DIN EN 50013
(the maximum configuration with 3NO / 3NC is shown)
13
14
33
53
21
22
34
41
42
54
61
62
DIMENSIONS
15°
X2
7
16
31
43
X1
119.5
123
80
15°
192
176
8.5
13.25
54
22
80.5
15
162
81
119
Vossloh Kiepe GmbH
D-40599 Düsseldorf (Germany) · Kiepe-Platz 1
Telephone +49 (0) 2 11 74 97-0 · Fax +49 (0) 2 11 74 97-420
info@kiepe-elektrik.com · www.kiepe-elektrik.com
358/2–02/09
Subject to change without notice.