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Transparent Eaton FH17 thermal unit trip class 20

Eaton

Eaton FH17 Thermal Unit Trip Class 20

SKU CH-F59G-QVCGC

Thermal overload unit rated Trip Class 20 for 1.01–1.11 A and 1.17–1.28 A, compatible with NEMA sizes 0–2 and Series A200, B100 starters

  • TypeIndustrial Electrical Controls & Automation
  • ColorTransparent
  • Thermal overload protection with Trip Class 20 response
  • Full-load current range 1.01 to 1.11 A for precise motor sizing
  • Additional current range 1.17 to 1.28 A covers wider applications
  • Compatible with NEMA Size 0, 1, 2 starters for broad fit
  • Works with Series A200 and B100 contactors for easy integration

Eaton FH17 Thermal Unit Trip Class 20

The Eaton FH17 is a thermal overload protection unit rated for Trip Class 20. It supports full load current ranges of 1.01 to 1.11 A and 1.17 to 1.28 A. The unit is compatible with NEMA Size 0, 1, and 2 starters. It serves industrial electrical control panels requiring thermal trip functionality.

Suitable Applications and Limits

This unit suits maintenance teams replacing thermal units in Series A200 or B100 starters. It fits panels where the specified current ranges match the motor load. Buyers needing electronic overload relays or different trip classes should look elsewhere. Installations requiring NEMA Size 3 or larger compatibility cannot use this device.

Installation Notes

The thermal unit installs directly into compatible starter housings without special tools. Correct selection depends on matching the exact full load current range to the application. A common error is choosing the wrong current band for the motor nameplate rating. Verify the Grainger part number cross-reference before ordering to ensure proper fit.

Highlights

  • Thermal overload protection with Trip Class 20 response
  • Full-load current range 1.01 to 1.11 A for precise motor sizing
  • Additional current range 1.17 to 1.28 A covers wider applications
  • Compatible with NEMA Size 0, 1, 2 starters for broad fit
  • Works with Series A200 and B100 contactors for easy integration

Specifications

BrandEaton
TypeIndustrial Electrical Controls & Automation
ColorTransparent

Questions about this item

Which Eaton motor starter series must I already own for the FH17 thermal unit to fit?

The FH17 thermal unit is compatible with Eaton Series A200 and B100 motor starters, so you need one of those series installed.

Will the FH17 thermal unit work with my existing NEMA Size 1 starter?

Yes, the FH17 thermal unit supports NEMA Size 0, 1 and 2 starters, so it will work with a NEMA Size 1 unit.

How can I verify the FH17 thermal unit is protecting my motor correctly after installation?

The FH17 is a Trip Class 20 thermal overload; it will trip within the Class 20 time curve when motor current exceeds the 1.01 to 1.11 A or 1.17 to 1.28 A full-load range.

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