This 0 to 200 Amp ammeter is a direct replacement for the original ammeter used in many Catalina master electrical panels. The meter must be used to take the reading off of the shunt with no need to have a return wire to the alternator.
• Catalina 380
• Catalina 381
• Catalina 400
• Catalina 42
• Width: 3"
• Height: 2-3/8"
• Depth (inboard of the panel surface): 13/32"
• Depth (outboard of the panel surface incl spade connectors): 1-5/8"
• Case backing diameter: 2-1/16" *(see Warnings & Notes tab)
• Fastener spacing, center to center: ~ 1-13/16" square *
You will need to modify your exiting panel as this replacement does have a larger case backing diameter and includes four fastener points as opposed to the two included with the original ammeter.