Installation and Operation for Thermal Magnetic Trip Units Manual

40752-077(2) Effective 5/02
Page 5
Fig. 2-3 Trip Unit Magnetic Adjustment Buttons
Table 1-1. Q-Frame Trip Unit Catalog Numbers and Electrical Data - Fixed Thermal
Catalog
No.
3-Pole
Continuous
Ampere
Rating
(l
n) 40°C
Magnetic
Trip
Range
Amperes ➀
140U-QTD3-D30
140U-QTD3-D35
140U-QTD3-D40
140U-QTD3-D45
140U-QTD3-D50
140U-QTD3-D60
300
350
400
450
500
600
1500-3000
1750-3500
2000-4000
2250-4500
2500-5000
3000-6000
➀
Nameplate is marked in multiples of l
n
.