SE-330 Series - Neutral-Grounding-Resistor Monitor

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The SE-330 is an advanced ground-fault and neutral-grounding resistor monitoring relay that is compliant with Rule 10-302 of the 2018 Canadian Electrical Code Part I (CE Code). It measures neutral current, neutral-to-ground voltage, and neutral-to-ground resistance. It provides continuous monitoring of the neutral-to-ground path to verify that the neutral-grounding resistor (NGR) is intact and that it has not been bypassed or shorted. An open NGR renders current sensing ground-fault protection inoperative and could result in a false belief that the system is functioning properly. A shorted NGR results in higher-than-expected ground-fault current. A unique LED flashing code provides external confirmation for plant safety teams and inspectors when standards-compliant protection has been configured and is active.

The SE-330 can be used with low- and medium-voltage transformers and generators with low- or high-resistance grounding used in processing, manufacturing, chemical, pulp and paper, petroleum, and water-treatment facilities. For applications above 35 kV, use the SE-330HV. For applications that require conformance to Australian/New Zealand standard AS/NZS 2081, use the SE-330AU.

Complete setup of the SE-330 requires connection to a PC running SE-MON330 v4.10 or higher.

For applications where existing switchgear is inaccessible or where a separate control panel is desirable, the SE-330 is also available within a NEMA 4X enclosure. The NGRM-ENC Series is available various options, including a surface-mounted or door-mounted SE-330, to fit the specific customer application.

Access specifications, certifications, check availability and order parts below

Catalog #Supply
Voltage
VAC
Supply
Voltage
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Relay Contacts ConfigAnalog Output Current mACommunicationsNew Rev AvailOld Rev AvailIEEE Device NumbersRelay
Contact
Operating
DimensionsWeight (lbs/g)Auto Manual ResetConformally coatedFrequencyGF Trip Level Range pctSamplesCompare
SE-330-00-0065 - 26585 - 2752 Form A; 2 Form C4 - 20USBNowNo longer available50G - 50N - 51G - 51N - 59N - 86Fail-safe / Non Fail-safe8.4 H x 3.9 W x 5.8 D in.0 KgLatching; AutoresetStandard50; 60; ASD2 - 100% of CT-Primary Rating
SE-330-00-0165 - 26585 - 2751 Form A; 1 Form B; 2 Form C4 - 20USBNowNo longer available50G - 50N - 51G - 51N - 59N - 86Fail-safe / Non Fail-safe8.4 H x 3.9 W x 5.8 D in.0 KgLatching; AutoresetStandard50; 60; ASD2 - 100% of CT-Primary Rating
SE-330-01-0065 - 26585 - 2752 Form A; 2 Form C4 - 20USB; DeviceNetNowNo longer available50G - 50N - 51G - 51N - 59N - 86Fail-safe / Non Fail-safe8.4 H x 3.9 W x 5.8 D in.0 KgLatching; AutoresetStandard50; 60; ASD2 - 100% of CT-Primary Rating
SE-330-01-0165 - 26585 - 2751 Form A; 1 Form B; 2 Form C4 - 20USB; DeviceNetNowNo longer available50G - 50N - 51G - 51N - 59N - 86Fail-safe / Non Fail-safe8.4 H x 3.9 W x 5.8 D in.0 KgLatching; AutoresetStandard50; 60; ASD2 - 100% of CT-Primary Rating
SE-330-03-0065 - 26585 - 2752 Form A; 2 Form C4 - 20USB; Ethernet (Dual RJ45)NowNo longer available50G - 50N - 51G - 51N - 59N - 86Fail-safe / Non Fail-safe8.4 H x 3.9 W x 5.8 D in.0 KgLatching; AutoresetStandard50; 60; ASD2 - 100% of CT-Primary Rating
SE-330-03-0165 - 26585 - 2751 Form A; 1 Form B; 2 Form C4 - 20USB; Ethernet (Dual RJ45)NowNo longer available50G - 50N - 51G - 51N - 59N - 86Fail-safe / Non Fail-safe8.4 H x 3.9 W x 5.8 D in.0 KgLatching; AutoresetStandard50; 60; ASD2 - 100% of CT-Primary Rating
SE-330-04-0065 - 26585 - 2752 Form A; 2 Form C4 - 20USB; Ethernet (RJ45 and SC Fiber)NowNo longer available50G - 50N - 51G - 51N - 59N - 86Fail-safe / Non Fail-safe8.4 H x 3.9 W x 5.8 D in.0 KgLatching; AutoresetStandard50; 60; ASD2 - 100% of CT-Primary Rating
SE-330-04-01USB Ethernet (RJ45 and SC Fiber)8.4H X 3.9W X 5.8D50
60
ASD
Order
SE-330-05-0065 - 26585 - 2752 Form A; 2 Form C4 - 20USB; Ethernet (Dual SC Fiber)NowNo longer available50G - 50N - 51G - 51N - 59N - 86Fail-safe / Non Fail-safe8.4 H x 3.9 W x 5.8 D in.0 KgLatching; AutoresetStandard50; 60; ASD2 - 100% of CT-Primary Rating
SE-330-05-0165 - 26585 - 2751 Form A; 1 Form B; 2 Form C4 - 20USB; Ethernet (Dual SC Fiber)NowNo longer available50G - 50N - 51G - 51N - 59N - 86Fail-safe / Non Fail-safe8.4 H x 3.9 W x 5.8 D in.0 KgLatching; AutoresetStandard50; 60; ASD2 - 100% of CT-Primary Rating
SE-330-06-0065 - 26585 - 2752 Form A; 2 Form C4 - 20USB; IEC61850 (Dual RJ45)NowNo longer available50G - 50N - 51G - 51N - 59N - 86Fail-safe / Non Fail-safe8.4 H x 3.9 W x 5.8 D in.0 KgLatching; AutoresetStandard50; 60; ASD2 - 100% of CT-Primary Rating
SE-330-06-0165 - 26585 - 2751 Form A; 1 Form B; 2 Form C4 - 20USB; IEC61850 (Dual RJ45)NowNo longer available50G - 50N - 51G - 51N - 59N - 86Fail-safe / Non Fail-safe8.4 H x 3.9 W x 5.8 D in.0 KgLatching; AutoresetStandard50; 60; ASD2 - 100% of CT-Primary Rating
SE-330-07-0065 - 26585 - 2752 Form A; 2 Form C4 - 20USB; IEC61850 (RJ45 and SC Fiber)NowNo longer available50G - 50N - 51G - 51N - 59N - 86Fail-safe / Non Fail-safe8.4 H x 3.9 W x 5.8 D in.0 KgLatching; AutoresetStandard50; 60; ASD2 - 100% of CT-Primary Rating
SE-330-07-0165 - 26585 - 2751 Form A; 1 Form B; 2 Form C4 - 20USB; IEC61850 (RJ45 and SC Fiber)NowNo longer available50G - 50N - 51G - 51N - 59N - 86Fail-safe / Non Fail-safe8.4 H x 3.9 W x 5.8 D in.0 KgLatching; AutoresetStandard50; 60; ASD2 - 100% of CT-Primary Rating
SE-330-08-0065 - 26585 - 2752 Form A; 2 Form C4 - 20USB; IEC61850 (Dual SC Fiber)NowNo longer available50G - 50N - 51G - 51N - 59N - 86Fail-safe / Non Fail-safe8.4 H x 3.9 W x 5.8 D in.0 KgLatching; AutoresetStandard50; 60; ASD2 - 100% of CT-Primary Rating
SE-330-08-0165 - 26585 - 2751 Form A; 1 Form B; 2 Form C4 - 20USB; IEC61850 (Dual SC Fiber)NowNo longer available50G - 50N - 51G - 51N - 59N - 86Fail-safe / Non Fail-safe8.4 H x 3.9 W x 5.8 D in.0 KgLatching; AutoresetStandard50; 60; ASD2 - 100% of CT-Primary Rating
SE-330-20-0028 - 5236 - 722 Form A; 2 Form C4 - 20USBNowNo longer available50G - 50N - 51G - 51N - 59N - 86Fail-safe / Non Fail-safe8.4 H x 3.9 W x 5.8 D in.0 KgLatching; AutoresetStandard50; 60; ASD2 - 100% of CT-Primary Rating
SE-330-20-0128 - 5236 - 721 Form A; 1 Form B; 2 Form C4 - 20USBNowNo longer available50G - 50N - 51G - 51N - 59N - 86Fail-safe / Non Fail-safe8.4 H x 3.9 W x 5.8 D in.0 KgLatching; AutoresetStandard50; 60; ASD2 - 100% of CT-Primary Rating
SE-330-21-0028 - 5236 - 722 Form A; 2 Form C4 - 20USB; DeviceNetNowNo longer available50G - 50N - 51G - 51N - 59N - 86Fail-safe / Non Fail-safe8.4 H x 3.9 W x 5.8 D in.0 KgLatching; AutoresetStandard50; 60; ASD2 - 100% of CT-Primary Rating
SE-330-21-0128 - 5236 - 721 Form A; 1 Form B; 2 Form C4 - 20USB; DeviceNetNowNo longer available50G - 50N - 51G - 51N - 59N - 86Fail-safe / Non Fail-safe8.4 H x 3.9 W x 5.8 D in.0 KgLatching; AutoresetStandard50; 60; ASD2 - 100% of CT-Primary Rating
SE-330-23-0028 - 5236 - 722 Form A; 2 Form C4 - 20USB; Ethernet (Dual RJ45)NowNo longer available50G - 50N - 51G - 51N - 59N - 87Fail-safe / Non Fail-safe8.4 H x 3.9 W x 5.8 D in.0 KgLatching; AutoresetStandard50; 60; ASD3 - 100% of CT-Primary Rating
SE-330-23-0128 - 5236 - 721 Form A; 1 Form B; 2 Form C4 - 20USB; Ethernet (Dual RJ45)NowNo longer available50G - 50N - 51G - 51N - 59N - 86Fail-safe / Non Fail-safe8.4 H x 3.9 W x 5.8 D in.0 KgLatching; AutoresetStandard50; 60; ASD2 - 100% of CT-Primary Rating
SE-330-24-0028 - 5236 - 722 Form A; 2 Form C4 - 20USB; Ethernet (RJ45 and SC Fiber)NowNo longer available50G - 50N - 51G - 51N - 59N - 86Fail-safe / Non Fail-safe8.4 H x 3.9 W x 5.8 D in.0 KgLatching; AutoresetStandard50; 60; ASD2 - 100% of CT-Primary Rating
SE-330-24-0128 - 5236 - 721 Form A; 1 Form B; 2 Form C4 - 20USB; Ethernet (RJ45 and SC Fiber)NowNo longer available50G - 50N - 51G - 51N - 59N - 86Fail-safe / Non Fail-safe8.4 H x 3.9 W x 5.8 D in.0 KgLatching; AutoresetStandard50; 60; ASD2 - 100% of CT-Primary Rating
SE-330-25-0028 - 5236 - 722 Form A; 2 Form C4 - 20USB; Ethernet (Dual SC Fiber)NowNo longer available50G - 50N - 51G - 51N - 59N - 86Fail-safe / Non Fail-safe8.4 H x 3.9 W x 5.8 D in.0 KgLatching; AutoresetStandard50; 60; ASD2 - 100% of CT-Primary Rating
SE-330-25-0128 - 5236 - 721 Form A; 1 Form B; 2 Form C4 - 20USB; Ethernet (Dual SC Fiber)NowNo longer available50G - 50N - 51G - 51N - 59N - 86Fail-safe / Non Fail-safe8.4 H x 3.9 W x 5.8 D in.0 KgLatching; AutoresetStandard50; 60; ASD2 - 100% of CT-Primary Rating
SE-330-26-0028 - 5236 - 722 Form A; 2 Form C4 - 20USB; IEC61850 (Dual RJ45)NowNo longer available50G - 50N - 51G - 51N - 59N - 86Fail-safe / Non Fail-safe8.4 H x 3.9 W x 5.8 D in.0 KgLatching; AutoresetStandard50; 60; ASD2 - 100% of CT-Primary Rating
SE-330-26-0128 - 5236 - 721 Form A; 1 Form B; 2 Form C4 - 20USB; IEC61850 (Dual RJ45)NowNo longer available50G - 50N - 51G - 51N - 59N - 86Fail-safe / Non Fail-safe8.4 H x 3.9 W x 5.8 D in.0 KgLatching; AutoresetStandard50; 60; ASD2 - 100% of CT-Primary Rating
SE-330-27-0028 - 5236 - 722 Form A; 2 Form C4 - 20USB; IEC61850 (RJ45 and SC Fiber)NowNo longer available50G - 50N - 51G - 51N - 59N - 86Fail-safe / Non Fail-safe8.4 H x 3.9 W x 5.8 D in.0 KgLatching; AutoresetStandard50; 60; ASD2 - 100% of CT-Primary Rating
SE-330-27-0128 - 5236 - 721 Form A; 1 Form B; 2 Form C4 - 20USB; IEC61850 (RJ45 and SC Fiber)NowNo longer available50G - 50N - 51G - 51N - 59N - 86Fail-safe / Non Fail-safe8.4 H x 3.9 W x 5.8 D in.0 KgLatching; AutoresetStandard50; 60; ASD2 - 100% of CT-Primary Rating
SE-330-28-0028 - 5236 - 722 Form A; 2 Form C4 - 20USB; IEC61850 (Dual SC Fiber)NowNo longer available50G - 50N - 51G - 51N - 59N - 86Fail-safe / Non Fail-safe8.4 H x 3.9 W x 5.8 D in.0 KgLatching; AutoresetStandard50; 60; ASD2 - 100% of CT-Primary Rating
SE-330-28-0128 - 5236 - 721 Form A; 1 Form B; 2 Form C4 - 20USB; IEC61850 (Dual SC Fiber)NowNo longer available50G - 50N - 51G - 51N - 59N - 86Fail-safe / Non Fail-safe8.4 H x 3.9 W x 5.8 D in.0 KgLatching; AutoresetStandard50; 60; ASD2 - 100% of CT-Primary Rating

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