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Transparent thermal overload relay IEC style with direct contactor mounting

Dayton

Dayton 6ECC0 Overload Relay 2.5-4 A Trip Class 10

SKU CH-HA7Y-YPGPK

Thermal overload relay protects motors with 2.5 to 4 A trip range and Trip Class 10 response

  • TypeIndustrial Electrical Controls & Automation
  • ColorTransparent
  • Thermal protection for 2.5-4 A circuits
  • Trip Class 10 ensures timed overload response
  • 1NO/1NC auxiliary contacts for control signalling
  • IEC 60947-4-1, CSA and UL Listed compliance
  • Direct contactor mounting with auto/manual reset

Industrial Overload Relay 2.5-4 A

This IEC-style thermal overload relay protects three-phase motor circuits with a current setting range of 2.5 A to 4 A. It mounts directly to a contactor for compact panel layouts. The unit carries Trip Class 10 response and meets IEC 60947-4-1, CSA and UL Listed standards.

Transparent Enclosure with Direct Mounting

The transparent body measures 3.62 in deep, 1.85 in high and 1.73 in wide, allowing visual inspection of internal components. Direct-to-contactor mounting reduces wiring time and saves DIN-rail space. Auto and manual reset modes give maintenance flexibility after a trip event. Auxiliary contacts provide 1NO and 1NC signalling for control circuits.

Trip Class 10 Thermal Protection Limits

Thermal trip behaviour follows Class 10 timing, so sustained overloads near the 4 A upper setting will disconnect within the defined curve. The fixed 2.5 A to 4 A range cannot cover motors outside this band, requiring a different relay for higher or lower current applications. No NEMA size rating applies, so interchangeability with NEMA-class starters is not assured.

Highlights

  • Thermal protection for 2.5-4 A circuits
  • Trip Class 10 ensures timed overload response
  • 1NO/1NC auxiliary contacts for control signalling
  • IEC 60947-4-1, CSA and UL Listed compliance
  • Direct contactor mounting with auto/manual reset

Specifications

BrandDAYTON
TypeIndustrial Electrical Controls & Automation
ColorTransparent

Questions about this item

What trip class does the 6ECC0 overload relay use and what does it mean for response time?

It uses Trip Class 10, which limits the maximum tripping time to 10 seconds at 7.2 times the set current, giving faster motor protection than higher classes.

What are the exact mounting dimensions and style for direct contactor fitting?

The relay measures 1.73 in wide, 1.85 in high and 3.62 in deep, and mounts directly to the contactor without a separate base.

How is the reset mode selected between automatic and manual on this unit?

A selector on the front switches between Auto and Manual reset; the common error is leaving it in Auto when a manual restart is required after a trip.

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