SE-330AU Series - Neutral-Earthing-Resistor Monitor
The SE-330AU is an advanced earth-fault and earthing-resistor monitoring relay for low- and medium-voltage transformers and generators. It monitors neutral current, neutral-to-earth voltage, and neutral-to-earth resistance. It provides continuous monitoring of the neutral-to-earth path to verify that the neutral-earthing resistor (NER) is intact. This is of utmost importance—an open NER renders current-sensing earth-fault protection inoperative and could result in a false belief that the system is functioning properly. The SE-330AU earth-fault function complies with AS/NZS 2081.3:2002. For non-AS/NZS 2081 applications, see the SE-330 or SE-330HV.
The SE-330AU New Revision provides these additional features:
- 100 trip records with date and time stamp
- A mini-USB interface to view measured values, configure settings and check event records using SE-MON330 v3.2 or later
- An on-board microSD card (included) can be used for long term data logging and firmware upgrades
- Earth-fault trip level is adjustable from 0.125 to 5A (EFCT) or 0.75 to 30A (CS30). When set to MEM, the earth-fault trip level is adjustable from 2 to 100% in 1% increments of the CT-primary rating. SE-MON330 V3.2 or later is required.
- Dual Ethernet ports are optionally available with support for fiber and RJ45 interfaces
- IEC 61850 protocol is optionally available
Connect the SE-330AU to the network using a standard Ethernet patch cable. Use of a crossover cable to connect the SE-330AU directly to the computer running IP-Config is not recommended. A typical router will assign an IP address to all connected computers that are using DHCP. The SE-330AU does not support the use of DHCP. If the SE-330AU is being set-up for first time, it is recommended to only have one SE-330AU connected to the network to prevent communication errors.
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Ordering Information
| Catalog # | SupplyVoltage(VAC) | SupplyVoltage(VDC) | RelayContacts | Approvals | Analog Output (mA) | Comms | New Revision Availability | Old Revision Availability | IEEE Device Numbers | RelayContactOperatingMode |
|---|---|---|---|---|---|---|---|---|---|---|
| SE-330AU-00-00 | 65-265 | 85-275 | Two Form A, Two Form C | CE, C-Tick | 4-20 | USB | Now | No longer available | 50G50N51G51N59N86 | Fail-safe |
| SE-330AU-00-01 | 65-265 | 85-275 | One Form A, One Form B, Two Form C | CE, C-Tick | 4-20 | USB | Now | No longer available | 50G50N51G51N59N86 | Fail-safe |
| SE-330AU-01-00 | 65-265 | 85-275 | Two Form A, Two Form C | CE, C-Tick | 4-20 | USB, DeviceNet | Now | No longer available | 50G50N51G51N59N86 | Fail-safe |
| SE-330AU-01-01 | 65-265 | 85-275 | One Form A, One Form B, Two Form C | CE, C-Tick | 4-20 | USB, DeviceNet | Now | No longer available | 50G50N51G51N59N86 | Fail-safe |
| SE-330AU-02-00 | 65-265 | 85-275 | Two Form A, Two Form C | CE, C-Tick | 4-20 | RS-232, Profibus | Not available | Available until stock depleted | 50G50N51G51N59N86 | Fail-safe |
| SE-330AU-02-01 | 65-265 | 85-275 | One Form A, One Form B, Two Form C | CE, C-Tick | 4-20 | RS-232, Profibus | Not available | Available until stock depleted | 50G50N51G51N59N86 | Fail-safe |
| SE-330AU-03-00 | 65-265 | 85-275 | Two Form A, Two Form C | CE, C-Tick | 4-20 | USB, Ethernet (Dual RJ45) | Now | No longer available | 50G50N51G51N59N86 | Fail-safe |
| SE-330AU-03-01 | 65-265 | 85-275 | One Form A, One Form B, Two Form C | CE, C-Tick | 4-20 | USB, Ethernet (Dual RJ45) | Now | No longer available | 50G50N51G51N59N86 | Fail-safe |
| SE-330AU-04-00 | 65-265 | 85-275 | Two Form A, Two Form C | CE, C-Tick | 4-20 | USB, Ethernet (RJ45 and SC Fiber) | Now | No longer available | 50G50N51G51N59N86 | Fail-safe |
| SE-330AU-04-01 | 65-265 | 85-275 | One Form A, One Form B, Two Form C | CE, C-Tick | 4-20 | USB, Ethernet (RJ45 and SC Fiber) | Now | No longer available | 50G50N51G51N59N86 | Fail-safe |
| SE-330AU-05-00 | 65-265 | 85-275 | Two Form A, Two Form C | CE, C-Tick | 4-20 | USB, Ethernet (Dual SC Fiber) | Now | No longer available | 50G50N51G51N59N86 | Fail-safe |
| SE-330AU-05-01 | 65-265 | 85-275 | One Form A, One Form B, Two Form C | CE, C-Tick | 4-20 | USB, Ethernet (Dual SC Fiber) | Now | No longer available | 50G50N51G51N59N86 | Fail-safe |
| SE-330AU-06-00 | 65-265 | 85-275 | Two Form A, Two Form C | CE, C-Tick | 4-20 | USB, IEC61850 (Dual RJ45) | Now | No longer available | 50G50N51G51N59N86 | Fail-safe |
| SE-330AU-06-01 | 65-265 | 85-275 | One Form A, One Form B, Two Form C | CE, C-Tick | 4-20 | USB, IEC61850 (Dual RJ45) | Now | No longer available | 50G50N51G51N59N86 | Fail-safe |
| SE-330AU-07-00 | 65-265 | 85-275 | Two Form A, Two Form C | CE, C-Tick | 4-20 | USB, IEC61850 (RJ45 and SC Fiber) | Now | No longer available | 50G50N51G51N59N86 | Fail-safe |
| SE-330AU-07-01 | 65-265 | 85-275 | One Form A, One Form B, Two Form C | CE, C-Tick | 4-20 | USB, IEC61850 (RJ45 and SC Fiber) | Now | No longer available | 50G50N51G51N59N86 | Fail-safe |
| SE-330AU-08-00 | 65-265 | 85-275 | Two Form A, Two Form C | CE, C-Tick | 4-20 | USB, IEC61850 (Dual SC Fiber) | Now | No longer available | 50G50N51G51N59N86 | Fail-safe |
| SE-330AU-08-01 | 65-265 | 85-275 | One Form A, One Form B, Two Form C | CE, C-Tick | 4-20 | USB, IEC61850 (Dual SC Fiber) | Now | No longer available | 50G50N51G51N59N86 | Fail-safe |
| SE-330AU-20-00 | 28-52 | 36-72 | Two Form A, Two Form C | CE, C-Tick | 4-20 | USB | Now | No longer available | 50G50N51G51N59N86 | Fail-safe |
| SE-330AU-20-01 | 28-52 | 36-72 | One Form A, One Form B, Two Form C | CE, C-Tick | 4-20 | USB | Now | No longer available | 50G50N51G51N59N86 | Fail-safe |
| SE-330AU-21-00 | 28-52 | 36-72 | Two Form A, Two Form C | CE, C-Tick | 4-20 | USB, DeviceNet | Now | No longer available | 50G50N51G51N59N86 | Fail-safe |
| SE-330AU-21-01 | 28-52 | 36-72 | One Form A, One Form B, Two Form C | CE, C-Tick | 4-20 | USB, DeviceNet | Now | No longer available | 50G50N51G51N59N86 | Fail-safe |
| SE-330AU-22-00 | 28-52 | 36-72 | Two Form A, Two Form C | CE, C-Tick | 4-20 | RS-232, Profibus | Not available | Available until stock depleted | 50G50N51G51N59N86 | Fail-safe |
| SE-330AU-22-01 | 28-52 | 36-72 | One Form A, One Form B, Two Form C | CE, C-Tick | 4-20 | RS-232, Profibus | Not available | Available until stock depleted | 50G50N51G51N59N86 | Fail-safe |
| SE-330AU-23-00 | 28-52 | 36-72 | Two Form A, Two Form C | CE, C-Tick | 4-20 | USB, Ethernet (Dual RJ45) | Now | No longer available | 50G50N51G51N59N86 | Fail-safe |
| SE-330AU-23-01 | 28-52 | 36-72 | One Form A, One Form B, Two Form C | CE, C-Tick | 4-20 | USB, Ethernet (Dual RJ45) | Now | No longer available | 50G50N51G51N59N86 | Fail-safe |
| SE-330AU-24-00 | 28-52 | 36-72 | Two Form A, Two Form C | CE, C-Tick | 4-20 | USB, Ethernet (RJ45 and SC Fiber) | Now | No longer available | 50G50N51G51N59N86 | Fail-safe |
| SE-330AU-24-01 | 28-52 | 36-72 | One Form A, One Form B, Two Form C | CE, C-Tick | 4-20 | USB, Ethernet (RJ45 and SC Fiber) | Now | No longer available | 50G50N51G51N59N86 | Fail-safe |
| SE-330AU-25-00 | 28-52 | 36-72 | Two Form A, Two Form C | CE, C-Tick | 4-20 | USB, Ethernet (Dual SC Fiber) | Now | No longer available | 50G50N51G51N59N86 | Fail-safe |
| SE-330AU-25-01 | 28-52 | 36-72 | One Form A, One Form B, Two Form C | CE, C-Tick | 4-20 | USB, Ethernet (Dual SC Fiber) | Now | No longer available | 50G50N51G51N59N86 | Fail-safe |
| SE-330AU-26-00 | 28-52 | 36-72 | Two Form A, Two Form C | CE, C-Tick | 4-20 | USB, IEC61850 (Dual RJ45) | Now | No longer available | 50G50N51G51N59N86 | Fail-safe |
| SE-330AU-26-01 | 28-52 | 36-72 | One Form A, One Form B, Two Form C | CE, C-Tick | 4-20 | USB, IEC61850 (Dual RJ45) | Now | No longer available | 50G50N51G51N59N86 | Fail-safe |
| SE-330AU-27-00 | 28-52 | 36-72 | Two Form A, Two Form C | CE, C-Tick | 4-20 | USB, IEC61850 (RJ45 and SC Fiber) | Now | No longer available | 50G50N51G51N59N86 | Fail-safe |
| SE-330AU-27-01 | 28-52 | 36-72 | One Form A, One Form B, Two Form C | CE, C-Tick | 4-20 | USB, IEC61850 (RJ45 and SC Fiber) | Now | No longer available | 50G50N51G51N59N86 | Fail-safe |
| SE-330AU-28-00 | 28-52 | 36-72 | Two Form A, Two Form C | CE, C-Tick | 4-20 | USB, IEC61850 (Dual SC Fiber) | Now | No longer available | 50G50N51G51N59N86 | Fail-safe |
| SE-330AU-28-01 | 28-52 | 36-72 | One Form A, One Form B, Two Form C | CE, C-Tick | 4-20 | USB, IEC61850 (Dual SC Fiber) | Now | No longer available | 50G50N51G51N59N86 | Fail-safe |
Resources
- SE-330AU Datasheet - New Revision
- SE-330AU Datasheet - Previous Revision
- SE-330AU Manual - New Revision
- SE-330AU Manual - Previous Revision
- SE-330 DeviceNet Manual - Previous Revision
- SE-330 EthernetIP Manual - Previous Revision
- SE-330 Profibus Manual - Previous Revision
- SE-MON330 v3.6 Software
- SE-MON330 Software Manual
- Littelfuse Protection Relays SE 330 AU DeviceNet Electronic Datasheet EDS
- ER-15Kv 3D Model
- ER-25kv CAD Drawing
- ER-600VC CAD Drawing
- Littelfuse Protection Relays Monitoring NGRs TN
- TN-RG01 NGR Monitoring Isolated Ground Beds
- TN-RG05 SE-330 Guideform Specification
- TN-RG07 SE-VS50010K Voltage Scaler
- TN-RG08 SE-330 Settings
- TN-RG09 Single NGR for Multiple Sources
- TN-RG11 Voltage Metering on RG Systems
- TN-RG12 Convert Ungrounded to Resistance Grounded
- TN-RG14 NGR Package Checklist
- TN-GF10_Pulsing-Ground-Fault-Systems
- SE-330AU Manual - New Revision pgr-5330
- SE-330AU Manual - Previous Revision se-330au
- SE-330 DeviceNet Manual - Previous Revision se-330hv
- SE-330 EthernetIP Manual - Previous Revision se-330hv
- SE-330 Profibus Manual - Previous Revision se-330hv
- SE-MON330 v3.6 Software se-mon-330
- SE-MON330 Software Manual se-mon-330
- ER-15Kv 3D Model se-330hv
- ER-25kv CAD Drawing er-25kv
- ER-600VC CAD Drawing er-600vc
- Littelfuse Protection Relays Monitoring NGRs TN se-325
- TN-RG01 NGR Monitoring Isolated Ground Beds se-325
- TN-RG05 SE-330 Guideform Specification se-330hv
- TN-RG07 SE-VS50010K Voltage Scaler se-325
- TN-RG08 SE-330 Settings se-330hv
- TN-RG09 Single NGR for Multiple Sources se-325
- TN-RG11 Voltage Metering on RG Systems se-325
- TN-RG12 Convert Ungrounded to Resistance Grounded se-325
- TN-RG14 NGR Package Checklist se-325
- TN-GF10_Pulsing-Ground-Fault-Systems se-325
- SE-330AU
