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Transparent Schneider Electric LRD22 overload relay with adjustable dial

Schneider Electric

Schneider Electric LRD22 Overload Relay 16-24 A

SKU CH-8R18-DVQTC

Protects motors by disconnecting power on overcurrent, adjustable from 16 to 24 amperes, Class 10A calibrated, multi-standard certified

  • Product typeIndustrial Electrical Controls & Automation
  • Product colorTransparent
  • Adjustable 16–24 A trip protects motors from overload damage
  • Class 10A calibration ensures reliable thermal response under fault conditions
  • Compatible with 9–38 A TeSys D contactors for flexible starter builds
  • Multi-standard IEC, UL, CSA, CCC, EAC, ATEX, Marine certification simplifies global compliance
  • Differential thermal sensing detects phase imbalance to prevent winding failure

Schneider Electric LRD22 Overload Relay

This Schneider Electric LRD22 overload relay protects motors by detecting overcurrents and disconnecting power through a paired contactor. It offers an adjustable trip range of 16 to 24 amperes calibrated to Class 10A. The unit carries multi-standard certifications including IEC, UL, CSA, CCC, EAC, ATEX and Marine. It is designed for industrial motor starter assemblies.

For motor circuits needing 16 to 24 A protection

This relay suits installations where a TeSys D contactor rated from 9 to 38 amperes is used and the motor full-load current falls within the 16 to 24 ampere window. It is not for circuits requiring a lower or higher trip range, nor for applications that do not use a compatible TeSys D contactor. Buyers needing different current settings should select another LRD model.

Adjustable 16 to 24 A trip range

The relay comfortably handles motor protection duties within its calibrated 16 to 24 ampere range with Class 10A response. It runs out when the application demands a trip point below 16 amperes or above 24 amperes, or when the contactor exceeds the 38 ampere compatibility limit. The transparent housing allows visual inspection of the mechanism.

How it compares

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Price $61.99
Pricier than about 62% of the 3,838 comparable items (median $41.99).

Specifications

Product
Brand nameSCHNEIDER ELECTRIC
Product typeIndustrial Electrical Controls & Automation
Product colorTransparent

Questions about this item

Which TeSys D contactor ratings from 9 to 38 A can I pair with the LRD22 overload relay?

The LRD22 is designed for TeSys D contactors rated 9 A through 38 A, so any contactor in that range can be used.

Will the LRD22 protect a motor on a legacy starter that uses a Class 10A thermal curve?

Yes, the relay is calibrated to Class 10A, matching the thermal curve on older starters that specify the same class.

How do I verify the relay trips at the 16–24 A setting after wiring it?

Apply a test current within the 16–24 A range; the 1NC/1NO contacts should change state, confirming correct operation.

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