Detailed Product Description

Square Type Moving Iron Ammeters with Selector Switch
1. Feature: W/O cover on the movement(C), With cover on the movement(F)[the former is default]
2. Model: 90°SF-96-3, SF-72-3
> A selector switch is built into the instrument for measurement of AC current in a three phase network. The nominal mark is Z.
3. Accuracy: Class 1.5.
4. Frequency range: 50HZ.
5. Case: Non-combustile ABS plastic material is used for making SF series'external case,and PPO plastic material is used for SF series's base; while Non-combustible PC plastic material is used for making SFT series'external case and base. Both of which will not suffer deformity under long-term use at 70 and 120 respectively.
6. Measuring range: 0.1A/1A, 0.2A/2A, 0.3A/3A, 0.4A/4A, 0.5A/5A, 1A/10A.
3-Position: L1-L2,L1-L3,L2-L3(OFF-Position is available on request).
AC ammeters with 3-Position selector switch can be used for the measurement of AC current in three phase three wire system and three phase four wire system.
7. Mounting: SF series is flush mounting with bracket.