| 
				 Model and name  | 
			
				 Accuracy (level)  | 
			
				 Reference voltage (V)  | 
			
				 Calibration current (A)  | 
			
				 Wiring  | 
			
				 Configuration  | 
			
				 Packing size (mm)  | 
			
				 Quantity (only)  | 
		
| 
				 
					DTSY3015 three-phase four-wire  | 
			
				 1.0 2.0  | 
			
				 3×220/380  | 
			
				 1.5(6)  | 
			
				 Mutual inductance  | 
			
				 External relay  | 
			
				 490×352×269  | 
			
				 10  | 
		
| 
				 5(20),10(40),15(60)  | 
			
				 Direct type  | 
			
				 Built-in relay  | 
		|||||
| 
				 20(80),30(100)  | 
		|||||||
| 
				 
					DTSY3015 three-phase four-wire electronic prepaid watt-hour meter  | 
			
				 1.5(6)  | 
			
				 Mutual inductance  | 
			
				 External relay  | 
		||||
| 
				 5(20),10(40),15(60)  | 
			
				 Direct type  | 
			
				 Built-in relay  | 
		|||||
| 
				 20(80),30(100)  | 
		|||||||
| 
				 DTSY3015-G three-phase four-wire electronic pre-paid utility meter  | 
			
				 1.0 2.0  | 
			
				 3×380 3×220/380  | 
			
				 1.5(6)  | 
			
				 Mutual inductance  | 
			
				 External relay  | 
		||
| 
				 5(20),10(40),  | 
			
				 Direct type  | 
			
				 Built-in relay  | 
		|||||
| 
				 15(60)20(80),30(100)  | 
		|||||||
| 
				 DTSY3015-D three-phase four-wire electronic prepaid energy meter (rail)  | 
			
				 1.0 2.0  | 
			
				 3×220/380  | 
			
				 1.5(6)  | 
			
				 Mutual inductance  | 
			
				 External relay  | 
			
				 430×230×345  | 
			
				 20  | 
		
| 
				 5(20),10(40),  | 
			
				 Direct type  | 
			
				 Built-in relay  | 
		|||||
| 
				 15(60)20(80),30(100)  | 
		

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