ZIEHL MS220KA Operating Manual Download Page 5 | Manualshive

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ZIEHL MS220KA Operating Manual Download Page 5

MS220KA and MSR220KA

10580-0701-04-GB

Page

5 / 12

www.ziehl.de

7

Function diagram

MS220KA (automatic reset)

MSR220KA (reclosing lock)

Caution! The released relay switches on automatically after a voltage dip.

8

Important Notes

Attention!

Observe safety rules and standards. Notice safety remarks!

DANGER!

Hazardous voltage!

Will cause death or serious injury. Turn off and lock out

all power supplying this device before working on this device!

9

Installation

•

The applicant must observe safety rules and standards.

•

The device can be mounted on 35 mm rail according EN 60715 or with screws M4 (Option)

•

K

– Design; vertical terminal block, width 22.7 mm

•

The devices must be installed in an enclosure of international protection class IP 5x or better.

•

Terminals with screw mounting M3 maximum tightening torque 0,5 Nm

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Summary of Contents for MS220KA

Page 1: ...g Digital Panelmeters MINIPAN Switching Relays and Controls Measuring Transducers Grid and Plant Protection Operating Manual MS220KA and MSR220KA updated 2020 08 10 Su MS220KA and MSR220KA 10580 0701 04 GB Page 1 12 www ziehl de PTC thermistor relay with short circuit detection Marking see type plate on the device type examination certificate PTB 12 ATEX 3006 Issue 1 ...

Page 2: ...ons and references for putting into operation 8 15 1 Special remarks for explosive gas atmospheres areas Zone 0 Zone 1 and Zone 2 8 15 2 Special remarks for use in the presence of combustible dust Zone 20 Zone 21 and Zone 22 9 15 3 Safety characteristics of the safety device 9 15 4 Category and Performance Level EN ISO 13849 1 9 15 5 Application of the safety device used with equipment category EN...

Page 3: ... loss of the statutory material defect liability rights and to the liability of the buyer for the product that has become unsafe due to the deviation from the specifications 2 Display and control elements MS220KA MSR220KA Reset key button Alarm red ON green Alarm red DIN VDE V 0898 1 401 ON green 3 Pre Adjustment No settings are necessary on the devices The tripping temperature is determined solel...

Page 4: ...rs Short circuit detection within the thermistor circuit Output relay with 1 or 2 change over contact co Operating status display with LED A current monitors continuously the resistance of the sensors In cold state the resistance is 250 Ω per sensor sensor circuit 1 5 kΩ The relay has picked up and contacts 11 14 21 24 are closed The resistance of the thermistor rises rapidly at detector operating...

Page 5: ...zardous voltage Will cause death or serious injury Turn off and lock out all power supplying this device before working on this device 9 Installation The applicant must observe safety rules and standards The device can be mounted on 35 mm rail according EN 60715 or with screws M4 Option K Design vertical terminal block width 22 7 mm The devices must be installed in an enclosure of international pr...

Page 6: ...ote reset terminal Y1 Y2 can be used Terminals Y1 and Y2 may be bridged so the function reclosing lock is disabled 12 Trouble shooting and remedies Relay does not pick up Please check The supply voltage Us at terminals A1 A2 green LED lights up The PTC s at terminals T1 T2 In the case of disturbance the red LED lights up The resistance of a PTC circuit must be at 50 Ω R 1500 Ω The terminal voltage...

Page 7: ...50 V Switching voltage max Max AC 415 V Min 12 V Switching current Max 5 A Min 10 mA Switching power max ohm resistive load 120 W at DC 24 V 1250 VA Rated operational current Ie AC15 Ie 3 A Ue 250 V DC13 Ie 2 A Ue 24 V Recommended fuse 4 A gG Mechanical contact life 3 x 107 operations Electrical contact life 1 x 105 operations at 240 V 6 A UL electrical ratings 250 V ac 3 A general use 240 V ac 1 ...

Page 8: ...n 8 mm Subject to technical modifications 14 Dimensions Design K Dimensions in mm 1 Bottom 2 Top 3 Bolt 4 Screw 5 Holes for screw mounting 15 Safety Instructions and references for putting into operation please read carefully 15 1 Special remarks for explosive gas atmospheres areas Zone 0 Zone 1 and Zone 2 The increased danger within hazardous areas requires the careful attention of the safety ins...

Page 9: ...ety related parameters Operating mode Hardware architecture HFT Safety Integrity Level low demand mode 1001 0 SIL 1 Type MTBF PFH SFF SD SU DD DU MS220KA 54 years 4 07E 07 55 4 44E 07 5 55E 08 0 4 07E 07 MSR220KA 52 years 4 26E 07 55 4 52E 07 6 10E 08 0 4 26E 07 Type Proof test interval T1 1year 3 years 5 years 10 years MS220KA PFDavg 1 78E 03 5 35E 03 8 91E 03 1 78E 02 MSR220KA PFDavg 1 87E 03 5 ...

Page 10: ...on released by the protection device must transfer the machine after manipulation of this function as fast as possible into a safe condition The stop function must have top priority In case of failure the relay switches off the contactor circuit breaker and so prevents an overheating of the isolation system and or the surface temperature The protective function of the equipment is guaranteed only ...

Page 11: ...e at terminals T1 T2 The short circuit monitoring function must be tested by bridging the thermistor circuit wires at terminals T1 T2 The safety function must be tested by changing the resistance from 1500 Ohm to 4000 Ohm at terminals T1 T2 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 17 Maintenan...

Page 12: ... the basic requirements and complies with the following directives of the European Union 2014 35 EU Niederspannungsrichtlinie Low Voltage Directive 2014 30 EU EMV Richtlinie EMC Directive 2014 34 EU ATEX Richtlinie ATEX Directive 2011 65 EU RoHS Richtlinie 2015 863 EU RoHS Directive Angewandte harmonisierte Normen und technischen Spezifikationen Applied harmonised standards and technical specifica...

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