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Littelfuse SE-601 Manual

Dc ground-fault monitor
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Tel: +1-800-832-3873
E-mail: relays@littelfuse.com
www.littelfuse.com/SE-601
SE-601 MANUAL
DC GROUND-FAULT MONITOR
REVISION 2-C-073123
Copyright © 2023 by Littelfuse Startco
All rights reserved.
Document Number: PM-1000-EN

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  • Page 1 Tel: +1-800-832-3873 E-mail: relays@littelfuse.com www.littelfuse.com/SE-601 SE-601 MANUAL DC GROUND-FAULT MONITOR REVISION 2-C-073123 Copyright © 2023 by Littelfuse Startco All rights reserved. Document Number: PM-1000-EN...
  • Page 2 SE-601 DC Ground-Fault Monitor Rev. 2-C-073123 This page intentionally left blank.

  • Page 3: Table Of Contents

    ABLES Installation ............... 3 ABLE 3.1 SE-601 ............... 3 3.2 Ground-Reference Modules ........3 SE-601 Trip Levels and Fault-Resistance Values ..1 SE-601 Compatibility ..........9 Trip-Features Comparison .........9 Technical Specifications ........10 Ground-Fault-Test Record ........15 5.1 SE-601 ..............10 5.2 Ground-Reference Modules ........
  • Page 4 SE-601 DC Ground-Fault Monitor Rev. 2-C-073123 This page intentionally left blank.

  • Page 5: General

    SE-GRM-series Ground-Reference one output relay with isolated normally open and normally Module. Table 1 lists the SE-601 trip levels and fault- closed contacts for use in independent control circuits. resistance values for 24-, 48-, 125-, 250-, 500-, 780-, 1000-, Additional features include LED power and faulted-bus and 1500-Vdc systems.

  • Page 6: Se-601 Outline And Mounting Details

    SE-601 DC Ground-Fault Monitor Rev. 2-C-073123 FIGURE 1. SE-601 Outline and Mounting Details.

  • Page 7: Front-Panel Indication

    2.3.1 P OWER 3.1 SE-601 The green LED labelled PWR indicates presence of the An SE-601 can be surface or DIN-rail mounted. See supply voltage. Fig. 1. Panel mounting requires a PMA-55 or PMA-60 Panel-Mount Adapter. See Figs. 6 and 7.

  • Page 8: Se-Grm-Series Ground-Reference Modules - 24 To 125 V

    SE-601 DC Ground-Fault Monitor Rev. 2-C-073123 FIGURE 3. SE-GRM-Series Ground-Reference Modules – 24 to 125 V.

  • Page 9: Se-Grm-Series Ground-Reference Modules - 250 To 600 V

    SE-601 DC Ground-Fault Monitor Rev. 2-C-073123 FIGURE 4. SE-GRM-Series Ground-Reference Modules – 250 to 600 V.

  • Page 10: Se-Grm-Series Ground-Reference Modules - 780 To 1,500 V

    SE-601 DC Ground-Fault Monitor Rev. 2-C-073123 FIGURE 5. SE-GRM-Series Ground-Reference Modules – 780 to 1,500 V.

  • Page 11: Pma-55 Panel-Mount Adapter

    SE-601 DC Ground-Fault Monitor Rev. 2-C-073123 FIGURE 6. PMA-55 Panel-Mount Adapter.

  • Page 12: Pma-60 Panel-Mount Adapter

    SE-601 DC Ground-Fault Monitor Rev. 2-C-073123 FIGURE 7. PMA-60 Panel-Mount Adapter.

  • Page 13: Se-601 Compatibility

    OMPATIBILITY revision-00 units. The hardware-revision number is The SE-601 has been enhanced with the addition of listed on the SE-601 model/serial-number label affixed to non-volatile trip memory for the fail-safe relay operating the SE-601 enclosure. Both generations are compared in mode.

  • Page 14: Technical Specifications

    SE-601 DC Ground-Fault Monitor Rev. 2-C-073123 ac ........2,000 VA Resistive, 5. T ECHNICAL PECIFICATIONS 875 VA Inductive 5.1 SE-601 (PF = 0.4) Supply: (Subject to maximums of 8 A and 250 Vac/ 0U Option ......5 VA, 120 to 240 Vac...

  • Page 15: Ground-Reference Modules

    SE-601 DC Ground-Fault Monitor Rev. 2-C-073123 Certification ........ CSA, Canada and USA 10 V/m, 80-1000 MHz, 80% AM (1 kHz) 10 V/m, 900 MHz, 200 Hz pulse modulated UL Listed Fast Transient ...... IEC 61000-4-4 4 kV on AC mains and...

  • Page 16: 5.2.2 Small-Format Ground-Reference Modules

    SE-601 DC Ground-Fault Monitor Rev. 2-C-073123 Certification ........ UL Recognized, E328654 5.2.3 Medium-Format Ground-Reference Modules Duty Cycle and Derating: Continuous Duty Cycle: Australia Maximum Temp .... 50C (122°F) Minimum Backplate ..127 x 191 x 1.58 mm (5 x 7.5 x 0.062 in.)

  • Page 17: 5.2.4 Large-Format Ground-Reference Modules

    SE-601 DC Ground-Fault Monitor Rev. 2-C-073123 5.2.4 Large-Format Ground-Reference Modules 6. O RDERING NFORMATION Duty Cycle and Derating: Continuous Duty Cycle: Maximum Temp ... 50C (122°F) Minimum Backplate..305 x 483 x 3.18 mm (12 x 19 x 0.125 in.)

  • Page 18: Warranty

    Littelfuse will (at Littelfuse’s option) repair, replace, Ensure that terminal 5 is connected to ground. Using or refund the original purchase price of an SE-601 that is a 24 Vdc source, 50 kΩ variable resistor, fixed 1 kΩ determined by Littelfuse to be defective if it is returned...

  • Page 19: System Ground-Fault Test

    SE-601 DC Ground-Fault Monitor Rev. 2-C-073123 FIGURE 10. System Ground-Fault Test. TABLE 3. G ROUND- AULT- ECORD ESULTS Retain this record for the authority having jurisdiction.

  • Page 20: Appendix A Se-601 Revision History

    PPENDIX Revision history updated. 2-A-041913 EVISION ECTION Fig. 2 updated to include PGA-05CV. ECTION Environment section updated to include Fahrenheit temperature range. SE-601 dimensions added. PPENDIX Revision history added. RODUCT EVISION ISTORY EVISION Firmware: Improved operation of front-panel test button.

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