The Altech UL1077 Din rail breakers are great for supplementary protectors. They are designed to protect control circuits within the secondary side of a control transformer, or primary fusing of the control transformer. These low cost breakers are a great replacement for fusing.
1 to 63 Amp
1, 2 or 3 Pole Models
10kA Short Circuit Withstand Capacity
Positive Trip indicator (Green – off/tripped, Red – on)