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

$43.73

$34.76

$32.20

$25.59

$39.76

$31.61

$72.23

$57.41

$48.99

$44.85

$47.46

$37.72

$51.80

$25.20

$141.65

$112.59

$27.96

$22.22

$34.71

$27.59