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Temperature Relays and MINIKA®
Operating Manual MSF220K
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- PTC-relay for dry transformers
MSF220K
12710-0701-01
Mains Monitoring
Digital Panelmeters MINIPAN®
MSF220K
Switching Relays and Controls
Page 1 / 7
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: 2022-11-30 / dr
from Firmware: 0-00
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www.ziehl.deAA
www.ziehl.de
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Summary of Contents for ZIEHL MSF220K
- 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: 2022-11-30 / dr...
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Page 2: Table Of Contents
Relay K2 (Alarm 2/Trip) is connected in operating current mode. It makes no trip signal when supply voltage is switched on. A delayed switching time relay in series is not required. Thus the MSF220K can also be used when the supply voltage for the device is provided by the monitored transformer. -
Page 3: Connecting Plan
Button Test 6 Detailed description PTC sensors with different nominal response temperatures (NRT) can be connected to MSF220K. When everything is ok, relay K1 (Alarm 1) is picked up (11-14 closed) and relay K2 (Alarm 2, trip) is released (21-24 open). Green LED Power is on. -
Page 4: Important Notes
In case of failure of supply voltage, the monitored unit is not protected any more. The operator must ensure, that a failure is detected, e.g. by monitoring Alarm 1 (K1) or by testing the unit regularly. MSF220K 12710-0701-01 Page 4 / 7... -
Page 5: Installation
• Keep button [Test] pressed (2s) to save the function (the Power LED blinks fast, release button [Test]) • The MSF220K makes a reset and restarts with the set function Checking the function of device • Power on the device (green LED Power is on) •... - Page 6 EN 61558-2-6 (VDE 0551) On-period 100 % EMC immunity (industry) EN 61000-6-2 EMC emission EN 61000-6-3 Installation conditions Fitting position Rated ambient temperature range -20 °C ... +55 °C Storage temperature -20 °C ... +70 °C MSF220K 12710-0701-01 Page 6 / 7 www.ziehl.de...
- Page 7 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. MSF220K 12710-0701-01 Page 7 / 7...
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