verified 
WLM Series (Voltage stabilizer)
Brand name: Songyan (Welcome OEM or ODM)
| Model | Requirements | WLM - WALL MOUNTED RELAY TYPE METER DISPLAY | ||||||||
| Power(VA) | 500VA | 1000VA | 1500VA | 2000VA | 3000VA | 5000VA | 8000VA | 10000VA | 12000VA | |
| Input | Phase | Single phase | ||||||||
| Voltage | 140V-260V AC | |||||||||
| Frequency | 50/60HZ | |||||||||
| Adjusting time | <0.5s(when input voltage has a change of 10%) | |||||||||
| Output | Voltage | 220V±8%AC | ||||||||
| Frequency | 50/60HZ | |||||||||
| Loading power factor | 0.8 | |||||||||
| Protection | Over Volt. | Options | ||||||||
| Overheating protection | Options | |||||||||
| Delay | 3-8mins | |||||||||
| Over load/short circuit | Options | |||||||||
| Efficiency | AC-AC | >97% | ||||||||
| Environmental | Opertating temperature | -5~+40℃ | ||||||||
| Storage temperature | -10~+40℃ | |||||||||
| Humidity | 20%-90% | |||||||||
| Packaging | Product(mm) | 196*141*128 | 226*161*152 | 282*221*166 | 374*256*220 | |||||
| Outer Package(mm) | 358*253*340 | 395*285*370 | 350*265*202 | 440*300*250 | ||||||
| N.W(KG) | 2.10 | 3.95 | 4.59 | 5.40 | 8.80 | 14.30 | 17.30 | 18.90 | 21 | |
| Pcs per carton | 4 | 4 | 4 | 4 | 1 | 1 | 1 | 1 | 1 | |
| G.W(KG) | 11.50 | 18.60 | 21.00 | 24.20 | 9.50 | 15.10 | 18.00 | 19.60 | 21.80 | |