SLR Series - Solid State Non-Isolated Relay

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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 SLR Series has no isolation between the control switch input and the solid-state output. Select the SLR for applications where the control switch is the same voltage source as the load. Provides the noiseless, reliability and long life of a solidstate relay, without the cost of isolation circuitry. Zero voltage switching SLR2 can extend the life of an incandescent lamp up to 10 times its normal life. Random switching SLR1 is normally used for inductive loads. When fully insulated female terminals are used on the connection wires, the system meets the requirements for touch-proof connections.


Operation
The solid-state output is located between terminals 1 and 2 and can be ordered as either normally open or normally closed, when voltage is applied and S1 is open. When S1 is closed, the solid-state output between terminals 1 and 2 closes (or opens). If S1 is opened, the solid-state output will open (or close).
Reset: Opening S1 resets the output to its original state. Reset is also accomplished by removing input voltage.

Access specifications, certifications, check availability and order parts below

Catalog #Input
Voltage (V)
Output VoltageOutput
Form
Termination TypeMounting MethodDimensionsWeight (lbs/g)Dielectric BreakdownHumidityInput Tolerance (%)Insulation ResistanceOpen State Leakage Current (A)Output Load Rating (VA)Minimum Output Holding Current (mA)Output TypeStockCompare
SLR1420A
Obsolete: 2020 -10-07
120 Vac120 VacSPST; NO0.25 in. (6.3 mm) male quick connect terminalsSurface mount with one #10 (M5 x 0.8) screw2 H x 2 W x 1.51 D in. (50.8 x 50.8 x 38.4 mm)0 Kg≥2000 terminals to mounting surface95% non-condensing±20%≥100≅5Steady state: 20 A; Inrush: 200 A; Output Device: Triac≅50Non-isolated Solid stateCheck
SLR1610A
Obsolete: 2020 -10-07
230 Vac230 VacSPST; NO0.25 in. (6.3 mm) male quick connect terminalsSurface mount with one #10 (M5 x 0.8) screw2 H x 2 W x 1.51 D in. (50.8 x 50.8 x 38.4 mm)0 Kg≥2000 terminals to mounting surface95% non-condensing±20%≥100≅5Steady state: 10 A; Inrush: 100 A; Output Device: Triac≅50Non-isolated Solid stateCheck
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