Size ST90 - 3.5" Square
Accuracy:

• All AC & DC Iron Vane +/- 2% of Full Scale
• All AC Rectifier Type +/-3% of Full Scale
• All Frequency Type +/-0.3HZ

Overload:

• All AC & DC Voltmeters - 50% Momentary / 20% Prolonged
• All AC & DC Ammeters - 50% Momentary / 20% Prolonged
• All Frequency Type - 20% Maximum

Burden: AC Ammeters - 0.5VA Maximum
Standards: ANSI C39.1
Approvals: UL, CE