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Transparent rectangular overload relay with screw terminals

Schneider Electric

Schneider Electric LRD3363 Overload Relay 63-80 A 1000 V 3-pole

SKU CH-T5FN-FD6X3

A thermal overload relay with 63 to 80 A adjustment range, 1000 V AC rating and 1NO/1NC auxiliary contacts for direct contactor mounting

  • TypeIndustrial Electrical Controls & Automation
  • ColorTransparent
  • Thermal overload protection covers 63 to 80 A
  • Trip class 10A limits motor damage during faults
  • 1000 V AC rating suits high-voltage panels
  • Direct contactor mounting saves panel space
  • Screw clamp terminals ensure secure wiring

Schneider Electric LRD3363 Overload Relay

The Schneider Electric LRD3363 is a thermal overload relay rated for 63 A to 80 A with a 1000 V AC maximum. It provides three-pole protection for motor circuits and fits directly onto compatible TeSys Deca contactors.

Check your contactor series and mounting style

Verify that the existing contactor belongs to the TeSys Deca series and accepts direct mounting. Confirm the control circuit can accommodate a manual reset type and that the auxiliary contact form 1NO/1NC matches your wiring scheme. Ensure the screw clamp terminals suit the conductor sizes in use.

Bundled accessories or software

The relay ships as a standalone unit without additional accessories or software. Its integrated 1NO/1NC auxiliary contacts and Trip Class 10A characteristic are the only features that affect installation and operation.

Highlights

  • Thermal overload protection covers 63 to 80 A
  • Trip class 10A limits motor damage during faults
  • 1000 V AC rating suits high-voltage panels
  • Direct contactor mounting saves panel space
  • Screw clamp terminals ensure secure wiring

Specifications

BrandSCHNEIDER ELECTRIC
TypeIndustrial Electrical Controls & Automation
ColorTransparent

Questions about this item

What accessories come with the LRD3363 overload relay and what must be purchased separately?

The relay is supplied as a single unit with screw-clamp terminals ready for wiring. A compatible TeSys Deca contactor for direct mounting must be bought separately.

How do I decide between the 63 A minimum and 80 A maximum current settings?

Set the adjustment dial between 63 A and 80 A to match the motor’s full-load current; the relay will trip on overload within that range.

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

It indicates the maximum operational voltage the insulation can withstand across the three power poles during normal service.

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