Eaton PRL4B utilizes circuit breakers while PRL4F utilizes fusible switches. A single chassis can accommodate both circuit breakers and fusible switch

$542.27

$314.36

$33.03

$26.25

$430.40

$342.12

$30.58

$24.30

$35.46

$28.19

$62.90

$50.00

$31.99

$28.70

$51.42

$40.87

$62.99

$57.86

$149.63

$86.74