NTS 001 Pull Cord Emergency Switch
Kiepe pull-rope emergency stop switches type NTS are used in accordance with the requirements of EN 620 as well as BGI 710 and in conformity with DIN EN ISO 13850 as emergency stop devices as supplementary safety measures on conveyor belt systems. The pull rope is symmetrically tensioned on both sides of the red release lever.
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Description
APPLICATION
Kiepe pull-rope emergency stop switches type NTS are used in accordance with the requirements of EN 620 as well as BGI 710 and in conformity with DIN EN ISO 13850 as emergency stop devices as supplementary safety measures on conveyor belt systems. The pull rope is symmetrically tensioned on both sides of the red release lever.
The devices are suitable for outdoor use and applications where the ambient temperature varies considerably.
With the pull-rope system functionally aligned, the emergency stop signal can be triggered over a distance of up to about 100 m for each switch.
FUNCTION
The pull-rope emergency stop switch is actuated by a pull rope 1 connected on both sides of the red release lever. The contacts are actuated by a spring supported cam disc (snap action function). At the same time, up to three NC and NO contacts are actuated simultaneously and a cross comparison of the contacts can be performed with an external control unit.
Kiepe pull-rope emergency stop switch types NTS comply with Machinery Directive 2006/42/EC.
They must only be used in control electrical circuits.
The NTS BMC-plastic housing offers space for up to 3 simultane- ously switching NO and NC contacts. Taking into consideration the safety data and maintenance recommendations, the pull-rope emergency stop switch type NTS can be used in safety circuits in accordance with DIN EN ISO 13849 up to Performance Level e (PLe).
The emergency stop signal is performed with positive-making normally closed (NC) contacts in accordance with the closed circuit principle.
After the emergency stop function is triggered, the switching mechanism is locked in the shut-off position “0”. When the blue reset lever is actuated in switch position “1”, the switching con- tacts are reactivated and the conveyor belt is prepared for being turned back on again.
Resetting the pull-rope emergency stop switch must not cause the conveyor system to start up.
TECHNICAL DATA |
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Designation |
Pull-rope emergency stop switch type NTS Emergency stop device with latching function |
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Type of actuation |
Bidirectional; spring-loaded (“snap action”) |
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Complies with |
DIN EN ISO 13850; DIN EN 60204-1; DIN EN 60947-5-5; DIN EN 60947-5-1; EN 620; BGI 710 |
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Suited for |
Control units and systems in accordance with DIN EN 60204 |
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Mechanics |
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Enclosure |
Bulk moulding compound (BMC) |
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Finish |
Enclosure – yellow (similar to RAL 1004) Release lever – red (similar to RAL 3000) Reset lever – blue (similar to RAL 5010) |
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Mounting |
4 slotted holes for M8 screws |
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Installation position |
Horizontal, tilt angle up to about 15° |
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Pull-rope length |
Up to approx. 100 m |
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Actuation force |
30N ± 10N |
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Weight |
2.02 kg |
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Electrical system |
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Switching system |
Up to 3 NC and NO contacts; cam operated switches with direct opening action |
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Cable entry |
Threaded holes 2x M25 x 1.5 with each |
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Utilization category |
AC-15: 230 V; 6 A DC-13: 110 V; 1.1 A |
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Connection cross section |
1mm2 to2.5mm2 |
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Protective conductor connection |
no contact; protection class I |
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Rated insulation voltage Ui |
400 V |
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Rated impulse withstand voltage Uimp |
2.5kV, degree of pollution III |
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Conventional thermal current Ith |
16A |
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Contact reliability |
1 2 million switching operations |
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Ambient conditions in accordance with DIN EN 60947-5-5 |
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Permissible ambient temperature |
–25 °C …+70 °C |
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Extended ambient temperature range |
–40 °C …+70 °C (type HEN 7xx) |
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Protection rating |
IP 67 in accordance with EN 60529 |
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