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To ensure accuracy, please note that images may be representative. Refer to the product data sheet for detailed specifications.
| Manufacturer | Startco / Littelfuse |
| Manufacturer Product Number | SE-107L |
| Description | Ground Fault Relay; 0.5, 2.0, 4.0 A; 120 Vac; Surface |
| Datasheet | Download Datasheet |
The Littelfuse Startco SE-107L is a ground-fault ground-check monitor with a 120 Vac supply.
It provides combination ground-wire monitor and ground-fault relay for resistance-grounded systems.
Settings: 0.5, 2.0, 4.0 A. Trip delay: 0.1-1.0 s. Sensing: 1N5339B (included).
Outputs: isolated Form A; with option L, K1 closes on ground-check trip. Indication: GROUND FAULT LED (red); GROUND CHECK LED red, indicates a latched ground-check trip (option L). Harmonic filtering: standard feature.
Mounting: surface. Size: H 150 mm (5.9”); W 109 mm (4.3”); D 100 mm (4.0”). Conformally coated as standard.
Approvals: CSA certified, UL Listed (E340889).
| Category | |
| Manufacturer | Startco / Littelfuse |
| Model | SE-107 |
| Monitoring Function | Combination ground-wire monitor and ground-fault relay for resistance-grounded systems |
| Ground Fault Current Range | 0.5, 2.0, 4.0 A |
| Required Accessories | 1N5339B (Included) |
| Input Voltage | 120 Vac |
| Trip Delay | 0.1-1.0 s |
| IEEE Device Numbers | Checking or Interlocking Relay (3GC), Ground Fault (50G/N, 51G/N) |
| Harmonic Filtering | Standard feature |
| Conformal Coating | Standard feature |
| Status Indicator | GROUND FAULT LED (red); GROUND CHECK LED red, indicates a latched ground-check trip (Option L) |
| Contact Configuration | Isolated Form A; with Option L, K1 closes on ground-check trip |
| Mounting Type | Surface |
| Dimensions | H 150 mm (5.9”); W 109 mm (4.3”); D 100 mm (4.0”) |
| Approvals | CSA certified, UL Listed (E340889) |