90° scale arc Accuracy class 1.5; BS89 and IEC51 Flame retardant case to UL94V0 Fitted with mounting brackets Operating temperature range -25 → +40°C Terminal covers available separately 48x48mm ammeters have integral scales; appropriate scales must be chosen and ordered separately for the 72x72 & 96x96mm ammeters
Note
All ammeters are shunt operated and an appropriate 75mV shunt (no. 257-307 typically) must be ordered separately for each meter; the meters cannot be used without them