Littelfuse SE-703-0D-02, SE-703 Series, Earth-Leakage Monitor, 12/24VDC, Fail-safe / Non Fail-safe
Regular price
$1,956.50
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The SE-703 is a microprocessor-based earth-fault relay for resistanceand solidly earthed systems. It offers sensitive earth-fault detection as low as 25 mA and can be used on systems with significant harmonic content. The SE-703 provides feeder-level protection or individual-load protection. The output contacts can be connected for use in protective tripping circuits or in alarm indication circuits. The analog output can be used with a PLC or a meter. The SE-703 is specifically designed to be AS/NZS 2081 compliant to either 2011 or 2002 (see ordering options).
Pre-order 6-8 Weeks
| IEEE Device Numbers | Ground fault (50G/N, 51G/N) |
| Input Voltage | See ordering information |
| Dimensions |
H 75 mm (3.0"); W 55 mm (2.2"); D 115 mm (4.5") |
| Trip Level Settings | 25-500 mA |
| Trip Time Settings | INST-500 ms |
| Contact Operating Mode | Fail-safe (x=0 models) or selectable (x=2 models) |
| Harmonic Filtering | Standard feature |
| Test Button | Standard feature |
| Reset Button | Standard feature |
| CT-Loop Monitoring | Standard feature |
| Output Contacts | Two isolated Form C contacts |
| Analog Output | 0-5 V |
| Approvals |
CSA certified, UL Listed (E340889), CE (European Union), RCM (Australian) |
| Compliance | AS/NZS 2081:2011 (x=0 models) or AS/NZS 2081: 2002 (x=2 models |
| Conformally coated | Yes |
| Warranty | 5 years |
| Mounting |
DIN, Surface (standard) Panel (with PMA-55 or PMA-60 adapter |