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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 | 111P |
| Description | Pump Monitor; 115 VAC; 1/3-1 hp; Surface Mount; Dry-Well/Dead-Head/OV/UV |
| Datasheet | Download Datasheet |
The Littelfuse SymCom 111P is a single-phase pump monitor for 1/3-1 hp, 115 VAC pumps. It protects against dry-well, dead-head, jammed impeller, rapid-cycling, overvoltage, undervoltage conditions.
Trip points: overcurrent at 125% of calibration point; dry-well (underload) at 70-90% of calibrated run power, adjustable; overvoltage 132.5 VAC; undervoltage 95 VAC. Rapid-cycle protection: trips after 4 restarts in 60 s.
Trip delay: 5 s overcurrent; 4 s dry-well. Restart delay: 2 s after over/undervoltage; manual or 2-225 min (dry-well recovery timer) after other faults. Reset: Manual, or automatic after the restart delay.
Output: SPST, 1 hp @ 120 VAC (16 A max). Mounting: Surface mount (#8 screws). Dimensions: 73.66 x 133.35 x 73.99 mm (2.9 x 5.25 x 2.913 in), H x W x D.
It operates from -40 to +55 °C. Approvals: cULus Listed (UL 508, CSA C22.2 No. 14).
| Category | |
| Manufacturer | Symcom / Littelfuse |