NTS
Article Number: 91.064 084.xxx
- Installation Double-side
- Thermoset housing
- Reset lever
Features
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 2 x 125 m for each switch. Kiepe pull-rope emergency stop switch types NTS comply with Machinery Directive 2006/42/EC and UKCA conformity is available. They must only be used in control electrical circuits. The NTS thermoset housing (BMC) offers space for up to 3 simultaneously 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 d (PLd).
Corrosive
- Powder
- Suitable
- Gravel
- Suitable
- Rubble
- Conditionally Suitable
Non-Corrosive
- Powder
- Suitable
- Gravel
- Suitable
- Rubble
- Conditionally Suitable
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. 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 contacts are reactivated and the conveyor belt is prepared for being turned back on again.
Note Resetting the pull-rope emergency stop switch must not cause the conveyor system to start up.
| Designation | Pull-rope emergency stop switch type NTS - emergency stop device with latching function |
|---|---|
| Type of actuation | Bidirectional (double-side) |
| Complies with | DIN EN 60947-5-5; IEC 60947 -5-5 |
| Suited for | Control circuits in accordance with DIN EN 60204-1 |
| Enclosure | Thermoset housing (BMC)GFK Duroplast |
|---|---|
| Color | Enclosure – yellow (RAL 1004), release lever – red (RAL 3000), reset lever – blue (RAL 5010) |
| Mounting | 4 x M8 |
| Pull-rope length (approved, max.) | 2 x 125m (dependent from design of external tension springs and max. temperature change) |
| Actuation force | 30 N ± 10 N |
| Weight | 1.7 kg |
| Switching system | Up to 3 NC and NO contacts; cam operated positve-opening switches (EN 60947-5-1) |
|---|---|
| Cable entry (included in scope of supply) | 2 x M25 x 1,5, with red transport lock (1x screwed cable gland: sealing area Ø 9 mm to Ø 17 mm; 1x dummy screw) |
| Utilization category | AC-15: 230 V / 6 A DC-13: 125 V / 0,8 A DC-13: 24 V / 2 A |
| Connection cross section (max.) | 2.5 mm2 |
| Protective conductor connection | Protection class II / Protective insulation |
| Rated insulation voltage Ui | 400 V |
| Rated impulse withstand voltage Uimp | 2.5 kV, degree of pollution 3 |
| Conventional thermal current Ith | 16 A |
| Permissible ambient temperature | – 25 °C ...+70 °C |
|---|---|
| Extended ambient temperature range | – 40 °C ...+70 °C (Typen NTS 7xx) |
| Protection rating (EN 60529) | IP67 / IP65 |
| Safety classification Depending upon system architecture | DIN EN ISO 13849 -1 (up to PLd) DIN EN 62061 (up to SIL 2) |
|---|---|
| Electrical Reliability | at DC-13: 24 V / 2 A B10d > 25.000 Zyklen at AC-15: 230 V / 6 A B10d > 25.000 Zyklen |
Pull-rope emergency stop switches of types NTS are each fastened to the substructure in installation position with 4 M8 screws, centered between the anchor hook [3] of the pull-rope system (see the mounting diagram). Electrical connection is performed with the device open using the screwed cable gland included in the delivery, directly on the screw joints of the switching elements. The pull-rope [1] is tensioned by tension springs [2] between the anchor hooks [3] and fastened at the red release lever. After the tension springs [2] have been adjusted, the actuation force and path for triggering the switch must be tested to ensure compliance with specified requirements.
Note The tension springs are designed for cable systems with Kiepe devices at recommended temperature changes in a straight installation. Deviations from this may require a different spring design or an adjusted tension of the spring for wire break detection.
Variants
| Name | Ordering No. | Weight | Signal Light LED | Contacts NC NO SPDT | Pressure Equalization |
|---|---|---|---|---|---|
| NTS 001 | 91.064 084.001 | 1.7 kg / 1 Unit | 1 1 | ||
| NTS 002 | 91.064 084.002 | 1.7 kg / 1 Unit | 2 2 | ||
| NTS 003 | 91.064 084.003 | 1.7 kg / 1 Unit | 3 3 | ||
| NTS 004 | 91.064 084.004 | 1.8 kg / 1 Unit | AC/DC 230 V | 1 1 | |
| NTS 005 | 91.064 084.005 | 1.8 kg / 1 Unit | AC/DC 230 V | 2 2 | |
| NTS 018 | 91.064 084.018 | 1.7 kg / 1 Unit | 2 2 | Available | |
| NTS 023 | 91.064 084.023 | 1.8 kg / 1 Unit | 1 (Au) 1 (Au) | ||
| NTS 024 | 91.064 084.024 | 1.7 kg / 1 Unit | 2 (Au) 2 (Au) | ||
| NTS 061 | 91.064 084.061 | 1.8 kg / 1 Unit | AC/DC 24 V | 2 (Au) 2 (Au) | Available |
| NTS 211 with standard 2-wire busmodule | 91.064 084.211 | 1.8 kg / 1 Unit | 2 1 (Au) 1 Used | ||
| NTS 212 with standard 2-wire busmodule | 91.064 084.212 | 1.6 kg / 1 Unit | 2 (Au) 1 (Au) 1 Used | ||
| NTS 221 for 2-wire safebus, no busmodule | 91.064 084.221 | 2 kg / 1 Unit | 1 (Au) 1 Used | ||
| NTS 231 with 2-wire safebus module | 91.064 084.231 | 1.8 kg / 1 Unit | 1 (Au) 1 Used | ||
| NTS 421 (-40°C) for 2-wire safebus, no busmodule | 91.064 084.421 | 1.7 kg / 1 Unit | 1 (Au) 1 Used | ||
| NTS 431 (-40°C) with 2-wire safebus module | 91.064 084.431 | 1.8 kg / 1 Unit | 1 1 Used | ||
| NTS 701 (-40°C) | 91.064 084.701 | 1.7 kg / 1 Unit | 1 1 | ||
| NTS 702 (-40°C) | 91.064 084.702 | 1.8 kg / 1 Unit | 2 2 |
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