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Thermal Unit, 21.9 to 31.7A

SQUARE D| Zoro #: G0244754| Mfr #: B40.0

$23.99 /ea

Orders over $50.00 ship free. DetailsStandard ground shipping

Technical Specifications

Zoro #: G0244754 Mfr #: B40.0
Sensing Method: Melting AlloyItem: Thermal Unit
Full Load Amps: 21.9 to 31.7For Use With: Square D NEMA Motor Starters 1, 1P, 2
Thermal Unit Code A1-A3: 25.5Thermal Unit Code A4: 30.7
Thermal Unit Code A5: 29.3Thermal Unit Code B1-B3: 26.0
Thermal Unit Code B4: 30.7Thermal Unit Code C1-C3: 21.9
Thermal Unit Code C4: 24.1Thermal Unit Code D1-D3: 23.7
Thermal Unit Code D4: 25.6Thermal Unit Code E1-E3: 29.6
Thermal Unit Code E4: 30.8Thermal Unit Code E5: 31.4
Thermal Unit Code F1-F3: 25.8Thermal Unit Code F4: 27.9
Thermal Unit Code F5: 28.0Thermal Unit Code G1-G3: 27.2
Thermal Unit Code G4: 29.9Thermal Unit Code G5: 29.4
Thermal Unit Code L2: 29.2Thermal Unit Code L1: 31.7
Thermal Unit Code N2: 24.2Thermal Unit Code N1: 25.1
Country of Origin (subject to change): Mexico

Product Description

Thermal Unit Selection:
  • Locate the proper thermal unit code that is specified for your motor starter.
  • Match your motor full load amperage to the closest thermal unit value from the drop down list, without going over.
  • Do not exceed the amp rating of the motor starter.
  • 1 Phase starters require 1 thermal unit, 3 Phase require 3.

Product Reviews

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