| 型号 | 制造商 | 描述 | 操作 |
| EEM-MA250 [更多] | Phoenix Contact | Energy measurement device to measure electrical parameters in low voltage installations up to 500 V, acquisition of total harmonic oscillations - can be expanded with RS-485 interface
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| 型号 | 制造商 | 描述 | 操作 |
| EEM-MA250 [更多] | Phoenix Contact | Energy meter Dimensions W x H x D: 90 x 72 x 64 mm Frequency: 45...65 Hz Operating temperature: -10...+55 °C Manufacturer Article n°: 2901363 Measurement accuracy: Class 0.5S @ IEC 62053-22 Operating voltage: 200...277 VAC Assembly type: DIN-Rail Display type: LCD, Backlit Displays: 3 x 4-Digit Measurement input: Transformer Operating voltage type: 1-/2-/3-phase Output: Transistor / RS 485 Protection rating: IP52 (Front Panel) Rated measurement input current: 5 A
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