Westinghouse / Cutler Hammer
Style# 1372D39G13
Shunt Trip & 480V Auxiliary Switch
Pigtail Leads
NC, HNC Seltronic Frame Breakers
Provision to trip flux transfer shunt trip from external 32 to 120 Vdc and Vac to 60 Hz source 
Leftt Hand Mounting
Used Electrically Okay

LOC: 2B3