- Phone
-
Address
No. 4, Third Street, Cuizhu Industrial Zone, Qianshan, Zhuhai City, Guangdong Province
Zhuhai Guoce Electric Energy Instrument Technology Co., Ltd
No. 4, Third Street, Cuizhu Industrial Zone, Qianshan, Zhuhai City, Guangdong Province
| Product Features |
High precision measurement of electrical parameters such as single-phase AC voltage, single-phase AC current, active power, reactive power, power factor, frequency, etc;
Positive and negative active/reactive energy metering function;
Provide intelligent LCD display and local data query function;
Humanized interactive programming interface;
Supports RS-485 communication mode, Modbus RTU communication protocol, and DL/T 645-2007 communication protocol;
Support 2-31st harmonics;
Supports multiple switch input/output and analog output functions (optional).
| TECHNICAL INDEX |
| Working power supply |
DC allowable range DC100V~300V Allowable range for communication: AC85V~265V |
| Rated voltage input | 100V、220V、380V |
| Rated current input | 1A、5A |
| Allow overload capacity | 1.2 times rated voltage, continuous operation |
| accuracy class | Active level 1, 0.5S level, reactive level 2 |
| power consumption | ≤5VA |
| work environment |
Operating temperature -25 ℃~+55 ℃ Relative humidity 5% to 95% Atmospheric pressure ranging from 80Kpa to 110Kpa |
| External dimensions | 72mm×72mm |
| Dimension | 67mm×67mm |
|
Product Selection |
| GCZM21-72/2DI/2DO/AO/FH/R | |
| GCZM21 | PRODUCT MODEL |
| 72 | The external dimensions of the meter are divided into 96/80/72 |
| 2DI | 2-channel switch input (several channels are represented by a certain number, and 1 channel does not write a number) |
| 2DO | 2-channel switch output (indicate how many channels are used, 1 channel does not write numbers) |
| AO | 1 channel analog output (how many channels are represented by how many, 1 channel does not write numbers) |
| FH | F complex rate+H harmonic (full power omitted) |
| R | RS485 communication interface (several channels are represented by a certain number, and one channel does not write a number) |
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Outline dimension diagram |

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Wiring Terminal Diagram |
