SOLAX M1-40 Meter Installation Guide
- September 18, 2024
- SOLAX
Table of Contents
SOLAX M1-40 Meter
Specifications
- Power grid type: Single-phase
- Rated voltage: AC 230V
- Operating voltage: AC 100-280V
- Current: Up to 40A
- Recommended CT specification: 5A/1mA
- Power consumption: < 1W
Product Introduction
The SolaX Meter M1-40 is a single-phase meter designed for electricity monitoring and power metering in PV systems and other scenarios. It is compact, easy to use, and offers precise power metering.
Product Usage Instructions
Scope of Delivery
The package includes the M1-40 meter along with RS485A and RS485B cables
for communication.
Compatible Inverters and Pin Definition
The M1-40 meter is compatible with various SolaX inverter models. Refer to
Table 4-1 for pin definitions.
Cable Requirements
Refer to Table 5-1 for the required cables and specifications for voltage,
CT, and communication connections.
Electrical Connection
- Power Cable Connection: Connect the L and N wires according to the specified cable type and sectional area. See Figure 6-1.
- CT Connection: Connect the I* and I wires as per the CT cable requirements. See Figure 6-2.
- Communication Cable Connection: Connect the RS485A and RS485B cables for communication. See Figure 6-3.
Installation
Before mounting the meter, ensure all cables are connected. Install the
M1-40 on the 35mm DIN rail inside the power distribution box. See Figure 7-1
for mounting instructions.
Technical Data
Refer to Figure 8-1 for detailed technical specifications including power
grid type, rated voltage, operating voltage, current rating, recommended CT
specification, and power consumption.
Frequently Asked Questions (FAQ)
-
Q: Can the M1-40 meter work wirelessly?
A: The M1-40 meter can work with Wi-BR for wireless data transmission within specific ranges as stated in the user manual. -
Q: What is the recommended cable type for voltage connections?
A: The recommended cable type for voltage connections is multi-core outdoor copper wire with a sectional area of 1.5~2.5mm². -
Q: How should I connect the CT cables?
A: Connect the I* wire to the CT cable and the I wire to complete the CT connection as illustrated in the user manual.
Scan for User Manual
Product Introduction
M1-40 is a single-phase meter designed for electricity monitoring and power metering in PV system and other sceanrios. It is small in size and easy to use, and offers precise power metering.
Figure 1-1 M1-40 appearance
Table 1-1 Description of meter appearance
Scope of Delivery
Typical Networking Diagrams
The following diagrams use European TN-S for example, and are for reference only.
The meter can also work with Wi-BR to transmit data within up to 200 m horizontally and 20 m vertically*.
Note: The transmission data of Wi-BR comes from test results conducted in SolaX laboratories.
Compatible Inverters and Pin Definition
*Note: Two pairs of terminals are available for meter connection on X1-Smart G2, and the pins in the same box are a pair.
Cable Requirements
Table 5-1 Required cables and specification
Electrical Connection
Power Cable Connection
Figure 6-1 Connecting power cables
CT Connection
Figure 6-2 Connecting CT cables
Communication Cable Connection
Figure 6-3 Connecting communication cables
Installation
NOTICE
We recommend connecting all cables for the meter before mounting it onto the
rail.
M1-40 is designed to be installed on the 35 mm DIN rail inside the power
distribution box.
Technical Data
Figure 8-1 Specification
| Power grid type | 1P2W |
|---|---|
| Rated voltage | 220V…240V |
| Operating voltage | 100 V~288 V |
| Current | *A/40 mA |
| Recommended CT specification | 100 A/40 mA; 200 A/40 mA |
| Power consumption | <1.2 W |
| Measurement accuracy class | Voltage and current: Class 0.5 Active power: Class |
1 Reactive power: Class 2
Resolution requirement| Active power: 0.1 W Frequency: 0.001 Hz
Frequency| 45 Hz~65 Hz
Frequency tolerance| 0.01 Hz
Operating temperature| -40°C to +70°C
Operating humidity| ≤95% , non-condensing
Operating altitude| <4000 m
Degree of protection| IP20
Dimensions (W × H × D)| 18 mm × 100 mm × 65.5 mm