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Temperature Relays and MINIKA®
Operating Manual NS20K
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- Level-Relays for monitoring 1 level and as MIN/MAX-Control
NS20K
12240-0711-00
Mains Monitoring
Digital Panelmeters MINIPAN®
NS20K
Switching Relays and Controls
Page 1 / 9
ZIEHL industrie – elektronik GmbH + Co KG
Daimlerstr.13, 74523 Schwäbisch Hall, Germany
+ 49 791 504-0,
info@ziehl.de,
Measuring Transducers
Grid- and Plant Protection
updated: 2024-10-08 / dr
from Firmware: 0-00
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www.ziehl.deAA
www.ziehl.de
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Summary of Contents for ZIEHL NS20K
- Page 1 ZIEHL industrie – elektronik GmbH + Co KG Daimlerstr.13, 74523 Schwäbisch Hall, Germany + 49 791 504-0, info@ziehl.de, www.ziehl.de Temperature Relays and MINIKA® Mains Monitoring Digital Panelmeters MINIPAN® Switching Relays and Controls Measuring Transducers Grid- and Plant Protection updated: 2024-10-08 / dr...
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Page 2: Table Of Contents
LED Power LED Relay On 3 Application and short description Level-Relays NS20K for conductive liquids can be used as monitors for 1 Level and for controlling a level between 2 electrodes. Application level monitor: Protection from running dry or overflow, monitoring of pumps for leaks, detection of leaks. -
Page 3: Overview Of Functions
Housing 35 mm wide, mounting height 55 mm • Universal supply-voltage AC/DC 24-240 V 5 Connecting diagram 5.1 Filling tank with 2 electrodes (E3 dipped, relay off 15 – 16 closed) electrode tank magnetic valve basic electrode NS20K 12240-0711-00 Page 3 / 9 www.ziehl.de... -
Page 4: Monitoring Of Liquid With 1 Electrode
(E3 dipped, relay on 15 – 18 closed) electrode tank magnetic valve basic electrode 6 Function Chart Power E1-E3 E1-E2 15-18 Relais 15-16 15-18 Relais 15-16 2 Electrodes 1 Electrode t1 = adjusted switching-delay LED Relay = relay NS20K 12240-0711-00 Page 4 / 9 www.ziehl.de... -
Page 5: Important Information
Attention! The NS20K was built as a Class A device. The use of this product in Living areas could lead to radio interference. Note on isolation for inputs and outputs as well as relay contacts: Unless otherwise stated, the devices have basic insulation According to the rated insulation voltage of the device. -
Page 6: Commissioning
Normally both errors can be solved by setting the sensitivity to a lower resistance (turn potentiometer left) In case of any other malfunctions send it in for repair together with a description of the occurred malfunction. NS20K 12240-0711-00 Page 6 / 9 www.ziehl.de... -
Page 7: 11 Technical Data
Failure rate (FIT) Tu = 40 °C Tu = 60°C Tu = 80°C Tu = Tref (component not in operation) 549 FIT 1104 FIT 2485 FIT 100 (207) years 100 (103) years 45 years NS20K 12240-0711-00 Page 7 / 9 www.ziehl.de... - Page 8 IP40 IK-Code IK06 (1 J impact energy) Mounting Snap mounting on 35 mm standard rail EN60715 or M4 screws (additional bar not included) Mounting position Weight app. 100 g Subject to technical changes NS20K 12240-0711-00 Page 8 / 9 www.ziehl.de...
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Page 9: 12 Housing Type K
Holes for screw mounting 13 Disposal Disposal should be carried out properly and in an environmentally friendly manner in accordance with legal provisions. ZIEHL is registered with the EAR Foundation under WEEE no.: DE 49 698 543. NS20K 12240-0711-00 Page 9 / 9...
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