Overview
AMC200-4/8E3 is a DIN-rail AC multi-circuit meter for up to 4 or 8 three-phase circuits.
It measures voltage, current, power, energy, and harmonics. Features 6DI/2DO, 4 NTC temp sensors, and RS485/4G/NB IoT.
Ideal for base station and building distribution monitoring.
Highlight
Multi-Circuit Monitoring
- Up to 8 three-phase circuits
- Up to 24 single-phase circuits
- Flexible 3P4L/3P3L wiring modes
- Per-phase & total measurements
- Compact design saves panel space
Full Electrical Parameters
- Voltage/current 0.5 class accuracy
- Active/reactive/apparent power
- Power factor & frequency
- Four-quadrant energy metering
- Class 1 active energy accuracy
Integrated I/O & Environment
- 2 active + 4 passive DI
- 2 relay outputs (250V/3A)
- 4 NTC temperature sensors
- 1 Temp.& Humi. sensor
- Over-voltage/current alarm
Flexible Communication
- RS485 Modbus-RTU
- Optional 4G/NB-IoT
- Baud rate 1200-38400
- YD/T 1363 protocol support
- Easy system integration
Function
| Function | Description |
| Multi-Circuit AC Measurement | Measures voltage, current, power, power factor, and energy for up to 8 three-phase or 24 single-phase circuits simultaneously. Supports 3P4L and 3P3L wiring modes. |
| Digital Inputs | 6 channels: 2 active wet contact inputs (AC 220V) and 4 passive dry contact inputs. Used for status monitoring of breakers and external devices. |
| Relay Outputs | 2 channels of normally open relay contacts. Contact capacity: AC 250V/3A or DC 30V/3A. Supports remote control and alarm output modes. |
| Temperature & Humidity Monitoring | 4 NTC temperature sensors (-20~100℃, ±2℃ accuracy). 1温湿度 sensor for ambient temperature (-20~100℃) and humidity (20-90%RH, ±5%RH). |
| Pulse Output | 1 channel optocoupler pulse output for energy calibration. Default pulse constant: 400 imp/kWh. Configurable for active or reactive pulse selection. |
| Data Storage | Historical data storage: 15-minute interval (5000 records), daily at 00:00 (1000 records), meter reading day (24 records). Alarm history stores up to 500 events. |
| Communication | RS485 interface with Modbus-RTU or YD/T 1363 protocol. Optional 4G or NB-IoT wireless communication for remote monitoring applications. |
| Alarm Function | Supports over-voltage, over-current, phase loss, and DI linkage alarms. Configurable thresholds, hysteresis, and delay settings for each relay output. |
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Specification
| Parameter | Value |
| Power Supply | AC/DC 85～265V, ≤10VA |
| Voltage Input | Rated: AC 3×220V/380V; Overload: 1.2× rated (continuous), 2× rated/1s |
| Current Input | Rated: xxxA/50mA (external CT required); Overload: 1.2× rated (continuous), 10× rated/1s |
| Frequency | 45～65Hz, accuracy 0.05Hz |
| Measurement Accuracy | Voltage/Current: Class 0.5; Active Energy: Class 1 |
| Digital Inputs | 2 active (AC 220V) + 4 passive (dry contact) |
| Relay Outputs | 2 channels, NO contact; AC 250V/3A, DC 30V/3A |
| NTC Temperature | Range: -20～100℃, Accuracy: ±2℃ |
| Temp.& Humi. Sensor | Temp: -20～100℃ (±2℃); Humidity: 20-90%RH (±5%RH) |
| Pulse Output | 1 channel, optocoupler, 400 imp/kWh (default) |
| Communication | RS485, Modbus-RTU or YD/T 1363; Optional 4G/NB-IoT |
| Baud Rate | 1200, 2400, 4800, 9600, 19200, 38400 |
| Operating Temp | -20℃～+60℃ |
| Storage Temp | -40℃～+70℃ |
| Relative Humidity | ≤95% (non-condensing) |
| Altitude | ≤2500m |
| Insulation Resistance | Input/output to case >100MΩ |
| Dielectric Strength | >AC 2kV/1min |
| EMC Compliance | Surge Level 4, ESD Level 3, EFT Level 3 |
| Dimensions (W×H×D) | 108*88*70mm |
| Mounting | DIN rail or screw mounting |
| Weight | Approx. 0.8 kg |
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FAQ
The AMC200-8E3 can monitor up to 8 three-phase circuits or 24 single-phase circuits simultaneously.
External split-core or solid-core CTs with 50mA secondary output are required. CT ratios from 50A to 600A are supported.
Modbus-RTU and YD/T 1363 (China Tower protocol) are supported via RS485. Optional 4G or NB-IoT modules are available.
Yes, thresholds for over-voltage, over-current, etc., can be configured via the front panel buttons (on LCD version) or via communication.
5000 records per parameter at 15-minute intervals, 1000 daily records, and 500 alarm events.
Yes, it requires AC/DC 85-265V auxiliary power.
It can be mounted on a DIN rail or with screws.
Summary
AMC200-4/8E3 Monitors up to 8 three-phase AC circuits in one device, saving space and cost. Integrated environmental monitoring and flexible wireless communications enable remote, efficient power management for telecom and industrial applications.
