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Temperature Relays and MINIKA®
Mains Monitoring
Operating Manual MS220KA and MSR220KA
PTC thermistor relay with short-circuit detection
0102
Marking see type plate on the device
MS220KA and MSR220KA
Digital Panelmeters MINIPAN®
8507
EU type examination certificate PTB 12 ATEX 3006 Issue 2
UK type examination certificate EPS 22 UKEX 1024
10580-0701-06-GB
ZIEHL industrie – elektronik GmbH + Co KG
Daimlerstr.13, 74523 Schwäbisch Hall, Germany
+ 49 791 504-0,
Switching Relays and Controls
Measuring Transducers
Seite 1 / 12
www.ziehl.de
info@ziehl.de,
www.ziehl.de
Grid- and Plant Protection
updated: 2022-12-12 / nm
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Summary of Contents for ZIEHL MS220KA
- 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 Grid- and Plant Protection Measuring Transducers updated: 2022-12-12 / nm...
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Page 2: Table Of Contents
15.11 Manual reset .......................... 10 16 Proof testing of the safety functions ....................10 17 Maintenance and repair ........................11 18 Disposal ............................11 19 EU / UK -Declaration of Conformity ....................12 MS220KA and MSR220KA 10580-0701-06-GB Seite 2 / 12 www.ziehl.de... -
Page 3: General Notes
1 PTC thermistor TNF + 15 K TNF + 5 K TNF – 5 K 3 PTC thermistors in series TNF + 5 K TNF – 20 K 6 PTC thermistors in series MS220KA and MSR220KA 10580-0701-06-GB Seite 3 / 12 www.ziehl.de... -
Page 4: Application And Brief Description
Supply voltage Off switch Push button on Remote reset Indicator lamp fault F1 – F4 Fuses Contactor External interlock See chapter 15.11 Manual resetting Only MSR devices Only with 2 co MS220KA and MSR220KA 10580-0701-06-GB Seite 4 / 12 www.ziehl.de... -
Page 5: Function Diagram
7 Function diagram MS220KA (automatic reset) MSR220KA (reclosing lock) Detector or line short-circuit Caution! The relay switches on automatically after a supply voltage dip. With a bridge at the reset input (Y1/Y2) the reclosing lock is out of operation. The device switches back automatically, when the temperature of the thermistor circuit has fallen below the switchback value. -
Page 6: Commissioning
Collective resistance cold thermistor ≤ 2.5 VDC at R ≤ 3.65 kΩ, ≤ 2 VDC at R ≤ 1.65 kΩ Terminal voltage (PTC thermistor) ≤ 9 VDC at R = Open-circuit voltage MS220KA and MSR220KA 10580-0701-06-GB Seite 6 / 12 www.ziehl.de... - Page 7 IP 30 Mounting EN 60715 Snap mounting on 35 mm standard rail EN60715 Optional: Screw mounting M4 screws (additional bar not included) Weight approx. 150 g Terminal connection Screw mounting M3 MS220KA and MSR220KA 10580-0701-06-GB Seite 7 / 12 www.ziehl.de...
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Page 8: Dimensions - Design K
15.3 Special remarks for use in the presence of combustible dust (Zone 20, 21, and 22) • The device must be installed outside potentially explosive dust atmospheres unless the device is pro- tected by a suitable enclosure for dust atmospheres. MS220KA and MSR220KA 10580-0701-06-GB Seite 8 / 12 www.ziehl.de... -
Page 9: Safety Characteristics Of The Safety Device (En 50495 / Vde 0170-18)
With commissioning and after modification of the plant the thermistor resistance must be checked with a suitable measuring instrument. With a resistance < 50 Ω the sensor circuit is to be examined for short-circuit. Attention! Check PTC’s only with measuring voltages of < 2.5 V. MS220KA and MSR220KA 10580-0701-06-GB Seite 9 / 12 www.ziehl.de... -
Page 10: Safe Separation
For the device type MSR the function of the electronic interlock must be tested additionally. • If an error is detected no restart must be induced until the error is cleared. MS220KA and MSR220KA 10580-0701-06-GB Seite 10 / 12 www.ziehl.de... -
Page 11: Maintenance And Repair
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 You will find this and other user manuals written in English under www.ziehl.com... -
Page 12: Eu / Uk -Declaration Of Conformity
19 EU / UKCA -Declaration of Conformity EU / UKCA-Konformitätserklärung EU / UKCA-Declaration of Conformity Hersteller: ZIEHL industrie-elektronik GmbH + Co KG Manufacturer: Anschrift: Daimlerstr. 13 Address: 74523 Schwäbisch Hall Germany Produktbezeichnung: Kaltleiter-Relais Product description: PTC Thermistor Relay Typ: MS220KA...
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