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Transparent rectangular overload relay with screw terminals and manual reset button

Schneider Electric

Schneider Electric LRD3353 Overload Relay 23-32 A 1000 V AC

SKU CH-N2WV-2QVZ8

A thermal overload relay protects three-phase circuits from 23 A to 32 A at 1000 V AC with manual reset and screw-clamp terminals

  • TypeIndustrial Electrical Controls & Automation
  • ColorTransparent
  • Thermal overload protection for motors up to 32 A
  • Adjustable current range from 23 A to 32 A
  • Rated for 1000 V AC maximum voltage
  • Manual reset with 1NO/1NC auxiliary contacts
  • Direct contactor mounting with screw clamp terminals

Overload Relay 23-32 A 1000 V AC

The Schneider Electric LRD3353 is a thermal overload relay designed for motor protection in industrial control panels. It suits maintenance engineers and panel builders who need reliable overload detection for three-phase circuits. The device mounts directly onto a compatible contactor for a compact assembly.

Verify Contactor Compatibility and Wiring

Confirm that the existing contactor belongs to the TeSys Deca series and accepts direct mounting before ordering. Check that the control circuit can accommodate the 1NO/1NC auxiliary contact arrangement. Ensure the supply voltage does not exceed 1000 V AC and that the motor full-load current falls between 23 A and 32 A for correct trip-class 10A operation.

Panel Integration and Circuit Protection

The relay fastens directly to the contactor using screw-clamp terminals, saving DIN-rail space inside the enclosure. Its transparent housing allows visual inspection of the trip indicator without removing covers. Manual reset requires operator intervention after a fault, preventing automatic restart of driven machinery. The three-pole design protects all phases simultaneously.

Highlights

  • Thermal overload protection for motors up to 32 A
  • Adjustable current range from 23 A to 32 A
  • Rated for 1000 V AC maximum voltage
  • Manual reset with 1NO/1NC auxiliary contacts
  • Direct contactor mounting with screw clamp terminals

Specifications

BrandSCHNEIDER ELECTRIC
TypeIndustrial Electrical Controls & Automation
ColorTransparent

Questions about this item

What does the LRD3353 ship with and what must be purchased separately?

The relay is supplied as a single unit with screw-clamp terminals and a manual reset button. A compatible TeSys Deca contactor is required for direct mounting and is sold separately.

Which current setting should I select for the LRD3353?

The adjustable dial covers 23 A to 32 A; choose the value that matches the motor full-load current shown on its nameplate.

What does the 1000 V AC rating mean when the relay is installed?

It indicates the maximum operational voltage the insulation can withstand in a three-phase circuit, while the 10 A trip class defines how quickly the relay opens under overload.

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