The Rockwell Automation Automation 1492-SPM supplementary protector is a 3+N pole thermal magnetic circuit breaker which provides an overcurrent protection for equipment where branch circuit protection is already provided, or is not required. It has 20 amperes continuous current rating and trip curve C.

Current limiting
Fast breaking time
Superior shock and vibration resistance to prevent nuisance tripping
RoHS compliant and fully-recyclable device
Suitable for extreme ambient conditions