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To ensure accuracy, please note that images may be representative. Refer to the product data sheet for detailed specifications.
| Manufacturer | Symcom / Littelfuse |
| Manufacturer Product Number | 50R-100 |
| Description | Voltage Monitor Relay; Lo V; 95-120 VAC; 4 s; SPDT; Surface mount (#8 screws) |
| Datasheet | Download Datasheet |
The Littelfuse SymCom 50R-100 is a single-phase voltage monitor for 95-120 V AC motors. It protects against low voltage.
Trip / reset points: low voltage 90% / 93% of setpoint.
Trip delay: 4 s. Restart delay: 2 s (after low voltage or a complete power loss). Reset: Automatic.
Output: 1 Form C (SPDT), 10 A @ 240 VAC general purpose. Mounting: Surface mount (#8 screws). Dimensions: 74.4 x 133.9 x 74.9 mm (2.93 x 5.27 x 2.95 in), H x W x D.
It operates from -20 to +70 °C and can be stored from -40 to +80 °C. Approvals: UL 508, CE.
| Category | |
| Manufacturer | Symcom / Littelfuse |
| Model | 50R |
| Monitoring Function | Low voltage |
| Input Voltage | 95-120 VAC |
| Low Voltage Trip / Reset | 90% / 93% of setpoint |
| Trip Delay | 4 s |
| Restart Delay (s) | 2 s (after low voltage or a complete power loss) |
| Reset Method | Automatic |
| Contact Configuration | 1 Form C (SPDT) |
| Output Rating | 10 A @ 240 VAC general purpose |
| Mounting Type | Surface mount (#8 screws) |
| Dimensions | 74.4 x 133.9 x 74.9 mm (2.93 x 5.27 x 2.95 in), H x W x D |
| Operating Temperature (Storage) | -20...+70 °C (-40...+80 °C) |
| Approvals | UL 508, CE |