LSR_XXX Series - Load Sensor

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Littelfuse products are not designed for, and shall not be used for, any purpose (including, without limitation, automotive, military, aerospace, medical, life-saving, life-sustaining or nuclear facility applications, devices intended for surgical implant into the body, or any other application in which the failure or lack of desired operation of the product may result in personal injury, death, or property damage) other than those expressly set forth in applicable Littelfuse product documentation. Warranties granted by Littelfuse shall be deemed void for products used for any purpose not expressly set forth in applicable Littelfuse documentation. Littelfuse shall not be liable for any claims or damages arising out of products used in applications not expressly intended by Littelfuse as set forth in applicable Littelfuse documentation. The sale and use of Littelfuse products is subject to Littelfuse Terms and Conditions of Sale, unless otherwise agreed by Littelfuse. "Littelfuse" includes Littelfuse, Inc., and all of its affiliate entities.

The LSR-XXX load sensors use current levels to determine feed rates, tool wear, loss of prime on pumps, mixer viscosity and all types of overload and underload conditions. They may also be used to stage pump motors, chillers and other machinery. These devices combine a current transformer (CT) with Form C (SPDT) relay contacts to switch alarm circuits, contactors or any resistive or inductive load. One simple screwdriver adjustment will calibrate the sensor for all single-phase or 3-phase applications up to 100hp.

Access specifications, certifications, check availability and order parts below

Catalog #Input
Voltage (V)
Output
Form
Termination TypeMounting MethodDimensionsWeight (lbs/g)Input Current Range (A)Isolation Voltage (V)Output Load Rating (VA)Sensor Hole SizeStockSamplesCompare
LSR-115115 VacSPDTTorque: 7 in.-lbs.; Wire: 12 - 24 AWGFour #6 screws 3/4 in in length1.67 H x 2.3 W x 3.56 D in. (42.4 x 58.4 x 90.4 mm)0 Kg0.5 - 135 continuous600 Vac rmsPilot Duty: 480 VA @ 240 Vac; General Purpose: 10 A0.725 in diameterCheckOrder
LSR-230230 VacSPDTTorque: 7 in.-lbs.; Wire: 12 - 24 AWGFour #6 screws 3/4 in in length1.67 H x 2.3 W x 3.56 D in. (42.4 x 58.4 x 90.4 mm)0 Kg0.5 - 135 continuous600 Vac rmsPilot Duty: 480 VA @ 240 Vac; General Purpose: 10 A0.725 in diameterCheckOrder
LSR-2424 VacSPDTTorque: 7 in.-lbs.; Wire: 12 - 24 AWGFour #6 screws 3/4 in in length1.67 H x 2.3 W x 3.56 D in. (42.4 x 58.4 x 90.4 mm)0 Kg0.5 - 135 continuous600 Vac rmsPilot Duty: 480 VA @ 240 Vac; General Purpose: 10 A0.725 in diameterCheckOrder
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