Thermal Unit, 3.75 to 4.53A

SQUARE D| Zoro #: G2158536| Mfr #: B5.50

$22.89 /ea

Orders over $50.00 ship free. DetailsStandard ground shipping

Technical Specifications

Zoro #: G2158536 Mfr #: B5.50
Sensing Method: Melting AlloyItem: Thermal Unit
Full Load Amps: 3.75 to 4.53For Use With: Square D NEMA Motor Starters 00, 0, 1, 1P, 2, 6
Thermal Unit Code A1-A3: 4.00Thermal Unit Code A4: 4.15
Thermal Unit Code A5: 4.23Thermal Unit Code B1-B3: 4.22
Thermal Unit Code B4: 4.15Thermal Unit Code C1-C3: 3.75
Thermal Unit Code C4: 3.76Thermal Unit Code D1-D3: 3.94
Thermal Unit Code D4: 3.89Thermal Unit Code E1-E3: 4.32
Thermal Unit Code E4: 4.46Thermal Unit Code E5: 4.22
Thermal Unit Code F1-F3: 3.79Thermal Unit Code F4: 4.04
Thermal Unit Code F5: 3.89Thermal Unit Code G1-G3: 4.11
Thermal Unit Code G4: 4.11Thermal Unit Code G5: 4.09
Thermal Unit Code J2: 4.24Thermal Unit Code K2: 4.24
Thermal Unit Code L2: 4.24Thermal Unit Code J1: 4.53
Thermal Unit Code K1: 4.53Thermal Unit Code L1: 4.53
Thermal Unit Code M2: 3.76Thermal Unit Code N2: 3.76
Thermal Unit Code M1: 3.85Thermal Unit Code N1: 3.85
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

Save 15%. Sign up for Z-mail.