Beckhoff SCT7 Series Documentation Download Page 29 | Manualshive

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Technical data

SCT7xxx

29

Version: 1.2

3.2.3

SCT7225 | Busbar split-core current transformer for primary
currents 0…500/0…600 A, accuracy class 0.5, size 2

Technical data

SCT7225-xxxx

Accuracy class

0.5

Primary current

0…500 A AC / 0…600 A AC

Secondary current

5 A AC

Versions

SCT7225-0500

ratio 500/5,
rated power 2.5 VA

SCT7225-0600

ratio 600/5,
rated power 2.5 VA

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Summary of Contents for SCT7 Series

Page 1: ...Documentation EN SCT7xxx Busbar split core current transformers 2021 04 12 Version 1 2...

Page 2: ......

Page 3: ...t transformer for primary currents 0 500 0 600 A accuracy class 1 size 2 28 3 2 3 SCT7225 Busbar split core current transformer for primary currents 0 500 0 600 A accuracy class 0 5 size 2 29 3 3 SCT7...

Page 4: ...Table of contents SCT7xxx 4 Version 1 2...

Page 5: ...ety over EtherCAT TwinSAFE XFC XTS and XPlanar are registered trademarks of and licensed by Beckhoff Automation GmbH Other designations used in this publication may be trademarks whose use by third pa...

Page 6: ...he components are supplied in particular hardware and software configurations appropriate for the application Modifications to hardware or software configurations other than those described in the doc...

Page 7: ...ged The devices described are intended for installation by qualified electricians and may only be installed in electrical plant rooms or in closed housings Any other use or the disregard of these appl...

Page 8: ...d performance categories that are highly scalable and therefore suitable for any application The SCT portfolio is extremely broad based ranging from low cost 3 phase CT sets for building technology to...

Page 9: ...mary side The windings are usually wound on an alternating magnetic ferrite ring core A typical transformer type is the ring core or ring type current transformer The current rail or current carrying...

Page 10: ...DE 0141 01 2000 paragraph 5 3 4 current and voltage transformers for nomi nal voltages from Um 3 6 kV must be grounded on the secondary side For low voltages Um 1 2 kV grounding is not required if the...

Page 11: ...in the primary winding at which the overtemperature does not exceed the value specified in the standard with the secondary winding loaded with the rated load Rated short time thermal current Ith Valu...

Page 12: ...ct overview SCT7xxx 12 Version 1 2 2 3 Product categories SCTxxxx current transformer Breakdown of the type designation of the SCT current transformer Fig 4 Designation key of the SCT current transfor...

Page 13: ...current transformers would quickly hit their limits on the basis of this physical principle The SCT0xxx coil current transformers with electrical isolation are specially designed for these low primary...

Page 14: ...stallation spaces e g directly in the sub distribution unit Two current transformers are attached to the DIN rail while the third current transformer in plugged into the fastened current transformers...

Page 15: ...The SCT2xxx series offers a large selection of ring type current transformers for primary currents from 60 to 2500 A in six sizes and two accuracy classes The innovative screwless connection technolo...

Page 16: ...conductor 43 7 mm size 3 SCT2321 Accuracy class 0 5 primary current 0 800 A AC 1000 A AC secondary current 1 A AC max diameter round conductor 43 7 mm size 3 SCT2411 Accuracy class 1 primary current 0...

Page 17: ...mers in accuracy class 0 5 3 phase ring type current transformers SCT3111 Accuracy class 1 primary current 3 x 0 50 A AC to 3 x 0 150 A AC secondary current 1 A AC max diameter round conductor 13 5 mm...

Page 18: ...onductor 18 5 mm size 3 SCT6321 Accuracy class 0 5 primary current 0 200 A AC 0 250 A AC secondary current 1 A AC max diameter round conductor 18 5 mm size 3 SCT6411 Accuracy class 1 primary current 0...

Page 19: ...ze 1 SCT7125 Accuracy class 0 5 primary current 0 400 A AC secondary current 5 A AC max diameter round conductor 20 mm size 1 SCT7215 Accuracy class 1 primary current 0 500 A AC 0 600 A AC secondary c...

Page 20: ...ables show the fault limit values taking into account the rated current values Class accuracy Current error in at of rated current 5 20 50 100 120 0 5 1 5 0 75 0 5 0 5 1 3 0 1 5 1 0 1 0 3 3 3 Class ac...

Page 21: ...temperature range during operation 5 40 C Permissible ambient temperature range during storage 25 70 C Permissible relative humidi 5 85 Operating height Up to 1000 m Protection class IP20 Insulation...

Page 22: ...Technical data SCT7xxx 22 Version 1 2 SCT71xx dimensions size 1 Fig 12 Isometric view top view all dimensions in mm Fig 13 Right side view front view left side view all dimensions in mm...

Page 23: ...transformer for primary currents 0 100 A 0 200 A accuracy class 3 size 1 Technical data SCT7105 xxxx Accuracy class 3 Primary current 0 100 A AC 0 200 A AC Secondary current 5 A AC Versions SCT7105 01...

Page 24: ...t transformer for primary current 0 250 V 0 400 A accuracy class 1 size 1 Technical data SCT7115 xxxx Accuracy class 1 Primary current 0 200 A AC 0 400 A AC Secondary current 5 A AC Versions SCT7115 0...

Page 25: ...125 Busbar split core current transformer for primary current 0 400 A accuracy class 0 5 size 1 Technical data SCT7125 xxxx Accuracy class 0 5 Primary current 0 400 A AC Secondary current 5 A AC Versi...

Page 26: ...ure range during operation 5 40 C Permissible ambient temperature range during storage 25 70 C Permissible relative humidi 5 85 Operating height Up to 1000 m Protection class IP20 Insulation character...

Page 27: ...Technical data SCT7xxx 27 Version 1 2 SCT72xx dimensions size 2 Fig 14 Isometric view top view all dimensions in mm Fig 15 Right side view front view left side view all dimensions in mm...

Page 28: ...transformer for primary currents 0 500 0 600 A accuracy class 1 size 2 Technical data SCT7215 xxxx Accuracy class 1 Primary current 0 500 A AC 0 600 A AC Secondary current 5 A AC Versions SCT7215 050...

Page 29: ...ransformer for primary currents 0 500 0 600 A accuracy class 0 5 size 2 Technical data SCT7225 xxxx Accuracy class 0 5 Primary current 0 500 A AC 0 600 A AC Secondary current 5 A AC Versions SCT7225 0...

Page 30: ...re range during operation 5 40 C Permissible ambient temperature range during storage 25 70 C Permissible relative humidi 5 85 Operating height Up to 1000 m Protection class IP20 Insulation characteri...

Page 31: ...Technical data SCT7xxx 31 Version 1 2 SCT73xx dimensions size 3 Fig 16 Isometric view top view all dimensions in mm Fig 17 Right side view front view left side view all dimensions in mm...

Page 32: ...currents 0 750 to 0 1500 A accuracy class 1 size 3 Technical data SCT7315 xxxx Accuracy class 1 Primary current 0 750 A AC to 0 1500 A AC Secondary current 5 A AC Versions SCT7315 0750 ratio 750 5 rat...

Page 33: ...rents 0 750 to 0 1500 A accuracy class 0 5 size 3 Technical data SCT7325 xxxx Accuracy class 0 5 Primary current 0 750 A AC to 0 1500 A AC Secondary current 5 A AC Versions SCT7325 0750 ratio 750 5 ra...

Page 34: ...re range during operation 5 40 C Permissible ambient temperature range during storage 25 70 C Permissible relative humidi 5 85 Operating height Up to 1000 m Protection class IP20 Insulation characteri...

Page 35: ...Technical data SCT7xxx 35 Version 1 2 SCT74xx dimensions size 4 Fig 18 Isometric view top view all dimensions in mm Fig 19 Right side view front view left side view all dimensions in mm...

Page 36: ...CT7415 xxxx Accuracy class 1 Primary current 0 1500 A AC to 0 5000 A AC Secondary current 5 A AC Versions SCT7415 1500 ratio 1500 5 rated power 15 VA SCT7415 2000 ratio 2000 5 rated power 15 VA SCT741...

Page 37: ...CT7425 xxxx Accuracy class 0 5 Primary current 0 1500 A AC to 0 5000 A AC Secondary current 5 A AC Versions SCT7425 1500 ratio 1500 5 rated power 15 VA SCT7425 2000 ratio 2000 5 rated power 15 VA SCT7...

Page 38: ...ion of the current transformer without secondary wiring must be avoided at all costs Make sure that the working environment is safe during assembly maintenance and installation work Interrupt the powe...

Page 39: ...Commissioning SCT7xxx 39 Version 1 2 Measuring circuit Fig 20 Measuring circuit SCT7xxx transformer Assembly notes Fig 21 Buttons to open the SCT7xxx...

Page 40: ...Commissioning SCT7xxx 40 Version 1 2 Fig 22 Knurled screw of the SCT74xx...

Page 41: ...ormer and to the measuring device Open circuit Current transformers must be short circuited as long as no tapping occurs Note the danger warnings 38 in the chapter Installation 38 Check whether the cu...

Page 42: ...corresponding voltage tap off if the active and or reactive power does not correspond to the expected values if necessary one phase has been reversed Check whether the current transformer is connecte...

Page 43: ...ured via connections L1 L2 L3 and N The current is measured via three current transformers e g from the Beckhoff SCT series and the connections IL1 IL2 IL3 and IN star point of the current transformer...

Page 44: ...e Beckhoff SCT series and the connections IL1 IL2 IL3 and IN star point of the current transformers Fig 24 EL3453 power measurement at a machine Negative power values If negative power values are meas...

Page 45: ...SCT7xxx 45 Version 1 2 6 Appendix 6 1 Documentation issue status Version Comment 1 2 Addenda chapter Notes on class accuracy SCT transformers 1 1 Addenda corrections 1 0 1st public issue Addenda corr...

Page 46: ...here Beckhoff Support Support offers you comprehensive technical assistance helping you not only with the application of individual Beckhoff products but also with other wide ranging services support...

Page 47: ......

Page 48: ...Beckhoff Automation GmbH Co KG H lshorstweg 20 33415 Verl Germany Phone 49 5246 9630 info beckhoff com www beckhoff com More Information www beckhoff com SCT7xxx...

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