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Littelfuse SE-330 Manual

Neutral-grounding-resistor monitor
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MANUAL FOR
SE-330 NEUTRAL-GROUNDING-RESISTOR MONITOR
SE-330HV NEUTRAL-GROUNDING-RESISTOR MONITOR
SE-330AU NEUTRAL-EARTHING-RESISTOR MONITOR
REVISION 11-B-121520
Copyright  2020 Littelfuse
All rights reserved.
Document Number: PM-1200-EN

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  • Page 1 Tel: +1-800-832-3873 E-mail: relays@littelfuse.com www.littelfuse.com/SE-330 MANUAL FOR SE-330 NEUTRAL-GROUNDING-RESISTOR MONITOR SE-330HV NEUTRAL-GROUNDING-RESISTOR MONITOR SE-330AU NEUTRAL-EARTHING-RESISTOR MONITOR REVISION 11-B-121520 Copyright  2020 Littelfuse All rights reserved. Document Number: PM-1200-EN...

  • Page 2: Table Of Contents

    1.2 SE-330 Series NGR Monitoring ......1 9.1.1 Calibration, Open and Short Tests ....55 1.3 NGR Sensitive Open and Short Detection ..3 9.1.2 Voltage Test (SE-330 and SE-330AU only) .. 56 2. Operation ..............3 9.1.3 Voltage Test (SE-330HV only) ....... 57 2.1 Settings ..............
  • Page 3 List of Tables FIGURE 14. ER-600VC Installed in SE-MRE-600 .. 23 FIGURE 15. ER-5KV Sensing Resistor....24 Table 1. Typical Values for Tripping Systems (SE-330 FIGURE 16. ER-5WP Sensing Resistor ....25 and SE-330HV) ..........5 FIGURE 17. ER-15KV Sensing Resistor....26 Table 2.

  • Page 4: General

    SE-330 Series Neutral-Grounding-Resistor Monitor Rev.11-B-121520 1. General 250.186 for application details (applies to SE-330 and SE-330HV). This is a combined manual for the following products: System charging current is the capacitive current that SE-330 Neutral-Grounding-Resistor Monitor • flows to ground when a bolted ground fault occurs. This current can be calculated or measured.
  • Page 5 NGR current will flow if the NGR is healthy. The SE-330 For the SE-330 and SE-330HV, relays K1, K2, and K3 will trip on ground fault if fault current exceeds the GF...

  • Page 6: Ngr Sensitive Open And Short Detection

    (V GF TRIP TIME (definite time) is adjustable from 0.1 to The SE-330 series will trip and indicate a resistor fault if 10.0 seconds for the SE-330 and SE-330HV, and from neutral voltage is greater than the V TRIP LEVEL setting 0.1 to 0.5 seconds for the SE-330AU.
  • Page 7 SE-330 Series Neutral-Grounding-Resistor Monitor Rev.11-B-121520 For the SE-330HV, the V TRIP LEVEL range is 100 to 10,000 V with switch S5 in the 100-kΩ (Vx1) position, and the range is 200 to 20,000 V with switch S5 in the 200-kΩ...

  • Page 8: Table 1. Typical Values For Tripping Systems (Se-330 And Se-330Hv)

    SE-330 Series Neutral-Grounding-Resistor Monitor Rev.11-B-121520 Table 1. Typical Values for Tripping Systems (SE-330 and SE-330HV) SYSTEM GROUND- NEUTRAL-GROUNDING TRIP VOLTAGE FAULT SENSING RESISTOR RESISTOR LEVEL (LINE-LINE) TRIP LEVEL RESISTANCE CURRENT RESISTANCE MODEL (SWITCH S5 (VOLTS) (AMPERES) (OHMS) (AMPERES) (VOLTS) SETTING) ER-600VC 20 kΩ...

  • Page 9: Table 2. Typical Values For Tripping Systems

    SE-330 Series Neutral-Grounding-Resistor Monitor Rev.11-B-121520 Table 2. Typical Values for Tripping Systems (SE-330AU) SYSTEM VOLTAGE EARTH-FAULT TRIP LEVEL NEUTRAL-EARTHING RESISTOR (VOLTS) (AMPERES) TRIP SENSING LEVEL SE-CS30-X RESISTOR CURRENT RESISTANCE EFCT-X LINE TO LINE TO (VOLTS) (30-A LINE NEUTRAL (AMPERES) (OHMS)

  • Page 10: Table 3. Ground-Fault Trip Levels For Selected Cts (Se-330 And Se-330Hv)

    SE-330 Series Neutral-Grounding-Resistor Monitor Rev.11-B-121520 Table 3. Ground-Fault Trip Levels for Selected CTs (SE-330 and SE-330HV) GF TRIP EFCT-x SE-CS30-x 100:1 200:1 400:1 50:1 LEVEL 5:0.05 30:0.05 100:5 200:5 400:5 50:5 (AMPERES) (AMPERES) (AMPERES) (AMPERES) (AMPERES) (AMPERES) 0.10 0.60 0.20 1.20...

  • Page 11: Pulse Period Adjustment (Se-330 Only)

    K1 and to activate switch S2. Relay K1 will change FIGURE 1. SE-330 Configuration Switches. state when a resistor-fault or ground-fault trip occurs. Other trip functions can be assigned to K1 (SE-330 and SE-330HV only) using SE-MON330 software or via network communications.

  • Page 12: Ground-Fault-Trip Latch (S3)

    The contacts will open in the and this may cycle the output relays. event of a trip, a loss of supply voltage, or a processor failure. In the fail-safe mode, SE-330 trips are not reset when the supply voltage is cycled. 2.1.6 Resistor-Fault Trip Time...

  • Page 13: Pulsing Operation (Se-330 Only)

    If switch S1 is set to K1 = PULSING, pulsing occurs when switch S3 or S4 is set to non-latching. SE-330 and SE- terminal 16 is connected to terminal 17. Relay K1...

  • Page 14: Remote Operation

    Resistor-fault-trip reset can take up to one second. A resistor-fault trip-memory trip can take up to three Starting with SE-330 firmware version 2.60 and SE- seconds after the monitor powers up. MON330 software version 3.8, the SE-330 can be configured to show only critical diagnostic codes.

  • Page 15: Installation

    3.1 SE-330 Series Outline and panel cut-out dimensions for the SE-330 series are shown in Fig. 8. To panel mount the SE-330, insert it through the panel cut-out and secure it with the four included 8-32 locknuts and flat washers.

  • Page 16: Figure 5. Se-330 Connection Diagram

    SE-330 Series Neutral-Grounding-Resistor Monitor Rev.11-B-121520 FIGURE 5. SE-330 Connection Diagram.

  • Page 17: Figure 6. Se-330Hv Connection Diagram

    SE-330 Series Neutral-Grounding-Resistor Monitor Rev.11-B-121520 FIGURE 6. SE-330HV Connection Diagram.

  • Page 18: Figure 7. Se-330Au Connection Diagram

    SE-330 Series Neutral-Grounding-Resistor Monitor Rev.11-B-121520 FIGURE 7. SE-330AU Connection Diagram...

  • Page 19: Figure 8. Se-330 Outline And Panel-Mounting Details

    SE-330 Series Neutral-Grounding-Resistor Monitor Rev.11-B-121520 FIGURE 8. SE-330 Outline and Panel-Mounting Details.

  • Page 20: Figure 9. Se-330 Outline And Surface-Mounting Details

    SE-330 Series Neutral-Grounding-Resistor Monitor Rev.11-B-121520 FIGURE 9. SE-330 Outline and Surface-Mounting Details.

  • Page 21: Figure 10. Se-Ip65Cvr-G Weatherproof Cover Outline

    SE-330 Series Neutral-Grounding-Resistor Monitor Rev.11-B-121520 FIGURE 10. SE-IP65CVR-G Weatherproof Cover Outline...

  • Page 22: Figure 11. Se-Ip65Cvr-G Weatherproof Cover Installation

    SE-330 Series Neutral-Grounding-Resistor Monitor Rev.11-B-121520 FIGURE 11. SE-IP65CVR-G Weatherproof Cover Installation...

  • Page 23: Sensing Resistor

    1000HV to moisture. See Figs. 13 and 14. The condensation. Sensing-resistor terminal R and its weather-protected ER-5WP shown in Fig. 16 is an connection to SE-330 terminal R, including interposing ER-5KV with moisture-resistant terminal covers. Use an terminal blocks, must remain dry.

  • Page 24: Figure 12. Er-600Vc Sensing Resistor

    SE-330 Series Neutral-Grounding-Resistor Monitor Rev.11-B-121520 FIGURE 12. ER-600VC Sensing Resistor.

  • Page 25: Figure 13. Se-Mre-600 Moisture-Resistant Enclosure Outline

    SE-330 Series Neutral-Grounding-Resistor Monitor Rev.11-B-121520 FIGURE 13. SE-MRE-600 Moisture-Resistant Enclosure Outline...

  • Page 26: Figure 14. Er-600Vc Installed In Se-Mre-600

    SE-330 Series Neutral-Grounding-Resistor Monitor Rev.11-B-121520 FIGURE 14. ER-600VC Installed in SE-MRE-600...

  • Page 27: Figure 15. Er-5Kv Sensing Resistor

    SE-330 Series Neutral-Grounding-Resistor Monitor Rev.11-B-121520 FIGURE 15. ER-5KV Sensing Resistor.

  • Page 28: Figure 16. Er-5Wp Sensing Resistor

    SE-330 Series Neutral-Grounding-Resistor Monitor Rev.11-B-121520 FIGURE 16. ER-5WP Sensing Resistor...

  • Page 29: Figure 17. Er-15Kv Sensing Resistor

    SE-330 Series Neutral-Grounding-Resistor Monitor Rev.11-B-121520 FIGURE 17. ER-15KV Sensing Resistor.

  • Page 30: Figure 18. Er-25Kv Sensing Resistor

    SE-330 Series Neutral-Grounding-Resistor Monitor Rev.11-B-121520 FIGURE 18. ER-25KV Sensing Resistor.

  • Page 31: Figure 19. Er-35Kv Sensing Resistor

    SE-330 Series Neutral-Grounding-Resistor Monitor Rev.11-B-121520 FIGURE 19. ER-35KV Sensing Resistor.

  • Page 32: Figure 20. Er-72Kv Sensing Resistor Outline

    SE-330 Series Neutral-Grounding-Resistor Monitor Rev.11-B-121520 FIGURE 20. ER-72KV Sensing Resistor Outline.

  • Page 33: Figure 21. Er-72Kv Sensing Resistor Mounting Details

    SE-330 Series Neutral-Grounding-Resistor Monitor Rev.11-B-121520 FIGURE 21. ER-72KV Sensing Resistor Mounting Details.

  • Page 34: Figure 22. Er-1000Hv Sensing Resistor

    SE-330 Series Neutral-Grounding-Resistor Monitor Rev.11-B-121520 FIGURE 22. ER-1000HV Sensing Resistor.

  • Page 35: Ground-Fault Ct

    Outline and mounting details for the EFCT- and SE-CS30-series current sensors are shown in Figures NOTE: The current-sensor insulation class is of no 26, 27, and 28 (compatible with SE-330 and SE-330HV, consequence if its secondary is grounded and the but must be used with SE-330AU).

  • Page 36: Figure 24. Elct5-88 And Elct30-88 Ground-Fault Current Sensors

    SE-330 Series Neutral-Grounding-Resistor Monitor Rev.11-B-121520 TOP VIEW AND MOUNTING DETAIL NOTES: 1. DIMENSIONS IN MILLIMETERS [INCHES] 2. MOUNTING SCREWS: M6 OR ¼ IN. FRONT VIEW SIDE VIEW FIGURE 24. ELCT5-88 and ELCT30-88 Ground-Fault Current Sensors...

  • Page 37: Figure 25. Elct5-31 And Elct30-31 Ground-Fault Current Sensors

    SE-330 Series Neutral-Grounding-Resistor Monitor Rev.11-B-121520 TOP VIEW AND MOUNTING DETAIL NOTES: 1. DIMENSIONS IN MILLIMETERS [INCHES] 2. MOUNTING SCREWS: M5 OR #10 FRONT VIEW SIDE VIEW FIGURE 25. ELCT5-31 and ELCT30-31 Ground-Fault Current Sensors.

  • Page 38: Figure 26. Efct-1 Ground-Fault Current Sensor

    SE-330 Series Neutral-Grounding-Resistor Monitor Rev.11-B-121520 FIGURE 26. EFCT-1 Ground-Fault Current Sensor.

  • Page 39: Figure 27. Se-Cs30-70 Ground-Fault Current Sensor

    SE-330 Series Neutral-Grounding-Resistor Monitor Rev.11-B-121520 FIGURE 27. SE-CS30-70 Ground-Fault Current Sensor...

  • Page 40: Figure 28. Efct-26 And Se-Cs30-26 Ground-Fault Current Sensors

    SE-330 Series Neutral-Grounding-Resistor Monitor Rev.11-B-121520 FIGURE 28. EFCT-26 and SE-CS30-26 Ground-Fault Current Sensors...

  • Page 41: Figure 30. Pga-0520 Analog Percent Current Meter

    SE-330 Series Neutral-Grounding-Resistor Monitor Rev.11-B-121520 FIGURE 29. RK-332 Remote Indication and Reset. FIGURE 30. PGA-0520 Analog Percent Current Meter.

  • Page 42: Isolated Ground Connection

    An isolated ground bed can prevent a ground potential rise (GPR) from being transferred to remote equipment. If the G terminals on the sensing resistor and the SE-330 series are connected to an isolated ground, the SE-330 series will be exposed to the GPR. If the GPR is greater...

  • Page 43: Data Interfaces

    Do not manufacturer, model, and with varying environmental remove the SD card or power off the SE-330 until the conditions. The included microSD card has a DIAGNOSTIC LED has stopped blinking rapidly for at temperature rating of -25 to 85°C (-13 to 140°F).

  • Page 44: Network Communications

    Please consult local regulations regarding the use of batteries in electrical equipment. The SE-330, SE-330HV, and SE-330AU battery is not designed for user service or removal; please contact Littelfuse with any questions regarding battery...

  • Page 45: Troubleshooting

    Critical diagnostic code. GF LED : No Change, RF LED : ON, Assigned Relay:Trip The SE-330 was tripped by a signal from network communications. Press RESET to clear the trip. Remote Trip 1 L - 2 S - 1 L Critical diagnostic code.
  • Page 46 GF LED : No Change, RF LED : No Change, Assigned Relay :No Change SE-330 processor failed to start. Cycle supply. If problem persists, consult DIAGNOSTIC LED = Solid Red Littelfuse. K1: De-energized. Trip condition is still present. Locate and correct.

  • Page 47: Technical Specifications

    Power-Up Time ......3 s at 120 V ac AC Measurements ...... Discrete Fourier Trip Time SE-330 and SE-330HV ....12 to 60 s ± 1 s Transform.16 samples per cycle, SE-330AU ........10 s maximum 50 or 60 Hz Trip Mode SE-330 and SE-330HV ....
  • Page 48 SE-330 Series Neutral-Grounding-Resistor Monitor Rev.11-B-121520 NGR Open Mode ....... Sensitive or Standard Temperature 0 to 40°C ..50 Ω minimum Sensitive Trip Level ....130 to 200% of Temperature -40 to 60°C..75 Ω minimum Max NGR Resistance ..10000 Ω...
  • Page 49 Configuration ......... N.O. (Form A) SE-330AU: Operating Mode: Trip Level SE-330 and SE-330HV ....Fail-Safe or Non-Fail-Safe EFCT-x ........0.125, 0.25, 0.30, 0.40, SE-330AU ........Fail-Safe only 0.50, 1, 2, 3, 4, 5 A CSA/UL Contact Ratings ....8 A resistive 250 V ac, SE-CS30-x ......
  • Page 50 SE-330 Series Neutral-Grounding-Resistor Monitor Rev.11-B-121520 Configuration ........N.C. (Form B) Tightening Torque ......0.5 to 0.6 N⋅m (4.4 to 5.3 lbf⋅in) Operating Mode ......Open when Healthy Ratings ........... 100 mA, 250 V (ac or dc) PWB Conformal Coating ....MIL-1-46058 qualified, Closed Resistance ......
  • Page 51 AS/NZS 2081.6:2011 – Earth Fault Protection Devices dc value AS/NZS 2081.8:2011 – NER Integrity Protection Devices Certification SE-330 and SE-330HV....CSA, Canada and USA NOTES: See sensing resistor specifications for applicable voltage limits. Accuracy included for EFCT-x and SE-CS30-x current sensors only.

  • Page 52: Sensing Resistors

    SE-330 Series Neutral-Grounding-Resistor Monitor Rev.11-B-121520 This value can only be modified using SE-MON330 software. See ER-15KV: Section 4.2. Maximum Voltage ....8,400 Vac Use sensitive mode for AS/NZS 2081.8:2011 compliance. Maximum Current ....84 mA Standard mode is available when using NER Resistance ......

  • Page 53: Current Sensors

    Compliance ........RoHS, IEC 60044-1 Extended Operating Temperature .. -55 to 60° C (-67 to 140° F) NOTES: SE-CS30-70: Electrical specifications have been verified at a Littelfuse lab. Current Ratio ......... 30:0.05 A Insulation ........600-V Class 6.3 Current Sensors Window Diameter ......
  • Page 54 Certifications ........cUL, CE ELCT5-88 Current Ratio ........5:0.05 A Insulation ........600-V Class Window Diameter ......88 mm (3.46 in.) Shipping Weight ......0.91 kg (2 lb) Certifications ........cUL, CE NOTES: Electrical specifications have been verified at a Littelfuse lab.

  • Page 55: Ordering Information

    SE-330 Series Neutral-Grounding-Resistor Monitor Rev.11-B-121520 7. Ordering Information NOTE: Please refer to the SE-330 Product Change Notice (PCN) document for updated ordering information and new revision details, available at Littelfuse.com/SE-330. NOTE: The SE-330-SMA Surface Mount Adapter is available as an accessory only.
  • Page 56 SE-330 Series Neutral-Grounding-Resistor Monitor Rev.11-B-121520 Current Sensors: 7SHT-301-E ......Current Sensor, 300-A-primary rating, 64-mm (2.5 in.) window EFCT-1 ........Current Sensor, SHT-401-E ......Current Sensor, 5-A-primary rating, 400-A-primary rating, 82-mm (3.2 in.) Window, 64-mm (2.5 in.) window 6 m (19.5 ft.) of 22 AWG (3.3 mm...
  • Page 57 SE-MON330 Software ..SE-330 Data-Display Program for PC, version 4.1 or higher NGR Monitor Set-Point Assistant ......Setting Guide NOTES: Profibus models only available on legacy SE-330. Includes Modbus TCP and EtherNet/IP protocols. Includes IEC 61850 protocol only. Available at Littelfuse.com/relayscontrols...

  • Page 58: Warranty

    10 s if calibrated and the Littelfuse will (at Littelfuse option) repair, replace, or NGR Short Mode is set to Sensitive). refund the original purchase price of the SE-330 that is determined by Littelfuse to be defective if it is returned to h) Press RESET.

  • Page 59: Voltage Test (Se-330 And Se-330Au Only)

    Short R1 (resistance total is 100,000 Ω) and wait for the resistor-fault trip time. NOTE: Use an isolation transformer if the test-voltage m) PASS: The SE-330 should trip on resistor fault. source does not provide dc continuity for the SE-330 resistance-measuring circuit.

  • Page 60: Voltage Test (Se-330Hv Only)

    9.3 Analog-Output Test Procedure: Test Equipment: ...... Multimeter with a mAdc a) Connect the ER sensing resistor to the SE- 330HV and calibrate the SE-330. scale. b) Disconnect the wire from sensing-resistor terminal N. A resistor-fault trip will occur. Procedure: c) Set the voltage source to 0 V.

  • Page 61: Figure 33. Ground-Fault-Test Circuits

    The connection of the current-sensor secondary to the SE-330 is not polarity sensitive. c) Verify that the system is correctly grounded and that alternate ground paths do not exist that bypass the current sensor.

  • Page 62: Appendix A Se-Mon330 Reference

    USB driver prior to running SE-MON330. DATE TEST RESULTS For an SE-330 (new revision) with a USB interface, SE- MON330 should be installed prior to connecting the SE- 330 so that the USB driver is properly installed. When the SE-330 is connected, a USB COM port will appear on the computer.

  • Page 63: A2.1 Initial Configuration Tab

    Once these parameters are confirmed, set the Essential Settings Verified parameter to Settings Verified. The Initial Configuration tab is shown when connecting to an SE-330 (firmware version 3.10 or higher) for the A2.2 Summary Tab first time (Fig. 35). This screen shows important settings...

  • Page 64: Figure 34. Communication Tab

    SE-330 Series Neutral-Grounding-Resistor Monitor Rev.11-B-121520 FIGURE 34. Communication Tab. FIGURE 35. Initial Configuration Tab...

  • Page 65: Figure 36. Summary Tab

    SE-330 Series Neutral-Grounding-Resistor Monitor Rev.11-B-121520 FIGURE 36. Summary Tab FIGURE 37. Detailed Status Tab.

  • Page 66: Figure 38. Configuration Tab

    SE-330 Series Neutral-Grounding-Resistor Monitor Rev.11-B-121520 FIGURE 38. Configuration Tab...

  • Page 67: A2.3 Detailed Status Tab

    The configuration tab displays all available items that 330. can be configured for the connected SE-330 (fig. 38). The GF Trip Level is set on the front-panel of the SE-330 or SE-330HV as a percentage of the CT-primary rating A2.4.1 Resistor fault (2 to 100).

  • Page 68: A2.4.3 Configuration

    Rev.11-B-121520 1% increments. The drop-down list displays the percentage along with the equivalent trip level current. For the SE-330 and SE-330HV (K1, K2, K3) and SE- The default setting is 15%. 330AU (K2, K3) The Effective CT Primary is based on the type of earth- fault CT used, and the connection to the SE-330.

  • Page 69: A2.5 Event Records Tab

    5 s, and the minimum time is 1 s. If a request connection problems with the NTP Server, monitor the fails, no change is made to the SE-330 internal clock. SNTP Client status. The status indicates problems such as NTP Server not found, NTP Server not running, and A2.5 Event Records Tab...

  • Page 70: Figure 39. Event Records Tab

    SE-330 Series Neutral-Grounding-Resistor Monitor Rev.11-B-121520 FIGURE 39. Event Records Tab.

  • Page 71: A2.6 System Menu

    A2.6.5 Remote Calibration drop-down menu, select voltage setting to specify the Vn trip level being used on the SE-330. Note that on the SE- To initiate a remote calibration (new revision SE-330 330 with USB, the voltage setting is updated series only), select Remote Calibration from the System automatically when the SE-330 is connected.

  • Page 72: Figure 40. System Parameters Menu

    SE-330 Series Neutral-Grounding-Resistor Monitor Rev.11-B-121520 FIGURE 40. System Parameters Menu...

  • Page 73: A2.7 Using Set-Point Assistant

    SE-330 Series Neutral-Grounding-Resistor Monitor Rev.11-B-121520 A2.7 Using Set-Point Assistant If an SE-330, SE-330AU, or SE-330HV is selected, the primary rating of the connected CT must be defined Selecting the Set-Point Assistant from the Help menu before a ground-fault-trip setting is recommended.

  • Page 74: Appendix B - Se-330, Se-330Hv, Se-330Au Revision History

    SE-330 Series Neutral-Grounding-Resistor Monitor Rev.11-B-121520 Appendix B - SE-330, SE-330HV, SE-330AU Revision History SE-330, SE-330HV, SE-330AU REVISION HISTORY HARDWARE REVISION MANUAL MANUAL FIRMWARE REVISION (REVISION NUMBER RELEASE DATE REVISION ON PRODUCT LABEL) Dec 15, 2020 11-B-121520 3.10 SE-330 REVISION HISTORY (REFERENCE ONLY)
  • Page 75 SE-330 Series Neutral-Grounding-Resistor Monitor Rev.11-B-121520 SE-330HV REVISION HISTORY (REFERENCE ONLY) HARDWARE REVISION MANUAL MANUAL FIRMWARE REVISION (REVISION NUMBER RELEASE DATE REVISION ON PRODUCT LABEL) June 30, 2018 5-N-063018 2.60 October 18, 2017 5-M-101817 December 7, 2016 5-L-120716 2.55 2.54 September 21, 2016 5-K-092116 2.53...
  • Page 76 SE-330 Series Neutral-Grounding-Resistor Monitor Rev.11-B-121520 SE-330AU REVISION HISTORY (REFERENCE ONLY) HARDWARE REVISION MANUAL MANUAL FIRMWARE REVISION (REVISION NUMBER RELEASE DATE REVISION ON PRODUCT LABEL) 2.61 June 30, 2018 4-J-063018 2.60 October 18, 2017 4-I-101817 2.60 December 7, 2016 4-H-120716 2.55 2.54...

  • Page 77: Manual Revision History

    SE-330 Series Neutral-Grounding-Resistor Monitor Rev.11-B-121520 Manual Revision History Revision 11-B-121520 Manual Updated to Include SE-330, SE-330HV, SE-330AU, and SE-MON330 Content. New Features Added for SE-330-Series Firmware V3.10. Revision 11-A-063018 General Manual Format and Many Sections Have Been Updated. Section 1 Descriptions for NGR Short Detection and Assignable Relays Added.
  • Page 78 SE-330 Series Neutral-Grounding-Resistor Monitor Rev.11-B-121520 Section 4 Section 4.1.2 Updated. Section 6 MicroSD™ Storage Capacity Increased To 32 Gb. RCM Certification Added. Revision 10-K-090815 Section 4 Section 4.1.2 Updated. Section 5 SD Card Diagnostic Troubleshooting Updated. Revision 10-J-062215 Section 2 Section 2.1.7 Added.
  • Page 79 SE-330 Series Neutral-Grounding-Resistor Monitor Rev.11-B-121520 Hardware Revision Updated. Revision 10-E-010814 Section 6 Extended Operating Temperatures Added to All Sensing Resistors and SE-CS30 Current Sensors. Revision 10-D-112913 Section 6 CE Added to Sensing Resistors. Section 7 Ordering Information Updated. Revision 10-C-100813 Section 2 Section 2.8 Updated.
  • Page 80 Hardware Revision 10A Update to RTC Circuit. Hardware Revision 10 Updated SE-330 Platform to Include USB And MicroSD™ Interfaces, Programmable Trip Level (Mem) Feature, and ability to add future options. Real-Time Clock Added. Added Dual Cable and Fiber Ethernet Ports.
  • Page 81 SE-330 Series Neutral-Grounding-Resistor Monitor Rev.11-B-121520 Firmware Revision History Firmware Revision 3.10 All Models: NGR Short Mode and NGR Open Mode Now Have Sensitive and Standard Selections. Added Additional Assignable Functions for K1, K2, And K3. Diagnostic Led Flash Mode Indicates When Unit Is Calibrated and NGR Short Mode Is Set to Sensitive.
  • Page 82 SE-330 Series Neutral-Grounding-Resistor Monitor Rev.11-B-121520 Firmware Revision 2.40 Added Support for Geo-Magnetic Filter. Added Support For 12 To 60 s Resistor-Fault Trip Time. Improved Log File Descriptions. IEC 61850 GOOSE Network Input Support Now Always Enabled. Improved Compatibility for Modbus TCP.

This manual is also suitable for:

Se-330hvSe-330au

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