| 1. | Under voltage tripping relay 低电压脱扣继电器 |
| 2. | Under voltage circuit breeaker 低电压断路器 |
| 3. | Under voltage instruction 欠压指示 |
| 4. | Under voltage protection 低电压保 |
| 5. | Under voltage trip 低电压自动跳闸 |
| 6. | Under voltage release 低电压释放 |
| 7. | Under voltage relay 低电压继电器 |
| 8. | Under voltage lock out 欠压锁定 |
| 9. | Under voltage test 欠压试验 |
| 10. | Under voltage : addressed fire alarm system 1813 sets ; 10 , 000w broadcast system . lighting 弱电:寻址式火譬系统1813点10000w广播系统, |