| 项目 Item |
性能参数 Performance Parameters |
|||
| 电压 Voltage | 额定电压 （UL、CE） Rated voltage（UL、CE） | 66VAC L-N 115VAC L-L 230VAC L-N 400VAC L-L 277VAC L-N 480VAC L-L 400VAC L-N 690VAC L-L | ||
| 额定电压（CPA） Rated voltage （CPA） | 三相三线 3P3L | 三相四线 3P4L | ||
| 3x100V 3x380V 3x690V | 3x57.7/100V 3x220/380V 3x400/690V | |||
| 过负荷 Overload | 1.2 倍额定值（连续） 1.2 times rating (continuous) 2 倍额定值持续 1 秒 2 times the rating for 1 second | |||
| 功耗 Power consumption | <1VA | |||
| 精度等级 Accuracy class | 误差±0.2% Error ±0.2% | |||
| 电流 Current | 额定电流 （UL、CE） Rated current（UL、CE） | 1A、5A | ||
| 额定电流 （CPA） Rated current （CPA） | 0.015-0.075（6）A（有功电能Active energy） 3X1(6)A（无功电能Reactive energy） | |||
| 过负荷 Overload | 1.2 倍额定值（连续） 1.2 times rating (continuous) 10 倍额定值持续 1 秒 10 times the rating for 1 second | |||
| 功耗 Power consumption | <0.2VA | |||
| 精度等级 Accuracy class | 误差±0.2% Error ±0.2% | |||
| 功率 Power | 有功、无功、视在功率，误差±0.2% Active, reactive, apparent power, error ±0.2% | |||
| 电网频率 Grid frequency | UL、CE | 50Hz/60Hz，误差±0.2% 50Hz/60Hz, error ±0.2% | ||
| CPA | 50Hz，误差±0.2% 50Hz，error ±0.2% | |||
| 响应速率 Response rate | ≤200ms（电压、电流、功率） ≤200ms (voltage, current, power) | |||
| ≤1s（电能） ≤1s (electrical energy) | ||||
| 测量类别 Measurement category | 66ULN(＋20%) 115ULL(＋20%) CATⅢ 230ULN(＋20%) 400ULL(＋20%) CATⅢ 277ULN(＋20%) 480ULL(＋20%) CATⅢ 400ULN(＋20%) 690ULL(＋20%) CATⅡ | |||
| 计量 Metering | 电能 Electric energy | 有功电能：D级（0.2S） Active energy ：Class D（0.2S） 无功电能（准确度等级2级） Reactive energy (Class 2 accuracy) | ||
| 辅助电源Auxiliary power supply | AC/DC 85-300V | |||
| 功耗≤4W、10VA power consumption≤4W、10VA | ||||
| 电磁兼容 electromagnetic compatibility | 静电放电抗扰度 IV 级 Electrostatic discharge immunity class IV | |||
| 电快速瞬变脉冲群抗扰度 IV 级 Electrical fast transient burst immunity class IV | ||||
| 浪涌(冲击)抗扰度 IV 级 Surge (shock) immunity Class IV | ||||
| 安全性 Security | 工频耐压 Power frequency withstand voltage | 通信与信号输入之间 AC4kV 1min Between communication and signal input, AC4kV 1min | ||
| 绝缘电阻 Insulation resistance | 输入、输出端对机壳>500MΩ Input and output terminals to casing >500MΩ | |||
| 通信 Communication | 接口与通信规约 Interface and communication protocol | RS485口、Modbus RTU规约 RS485 interface and Modbus RTU protocol | ||
| 通信地址范围 Communication address range | Modbus RTU:1~ 247； | |||
| 波特率 Baud rate | 支持1200bps-38400bps Support 1200bps-38400bps | |||
| 环境 Environment | 工作温度 Operating temperature | -40℃～+70℃ | ||
| 储存温度 Storage temperature | -40℃～+80℃ | |||
| 相对湿度 Relative humidity | ≤95%（无凝露） ≤95% (without condensation) | |||
| 海拔高度 Altitude | ≤2000m | |||
| ≥2000m，≤5000m（仅用于电源AC/DC85-265V，电压277/480V 以下） ≥2000m，≤5000mOnly applicable to the power supply with the voltage range of AC/DC 85-265V and the voltage below 277/480V. | ||||
| 安装环境 Installation environment | 室内（干燥） Indoor use（dry location） | |||
| 防护等级 IP rating | IP54(前面板)，IP30(后壳) IP54(Front panel),IP30(Body) | |||
| 污染等级 Pollution degree | Class 2 | |||
| 过电压等级类别 Overvoltage categories | OVC III | |||
| 参考标准 reference standard | UL | CAN/CSA C22.2 NO.61010-1-12 UL 61010-1 CSA C22.2 No.61010-2-030 UL 61010-2-030 | ||
| IEC、CE | IEC 61010-1 IEC EN 61010-2-30 | |||
| CPA | GB/T17215.321-2021 GB/T17215.323-2022 | |||
APM521 Multifunctional Instrument with UL Certificate
● Wiring: 3P3L, 3P4L
● Rated current: 1A, 5A
● Rated voltage: 3x57.7/100V, 3x220/380V, 3x400/690V
● Auxiliary power supply: AC/DC 85-300V
● Measured parameters: Total electrical measurement
● Accuracy class: Error ±0.2%
● Communication: Modbus-RTU protocol, DL/T 645-2007 statute
- Fast And Safe Logistics
- Sample Available
