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[C-MAINSPRO-G99] ComAp MainsPro G99 Mains Protection Relay Check Availability
ComAp MainsPro G99 Mains Protection Relay
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Comap | Alternergy

ComAp MainsPro G99 Mains Protection Relay


MainsPro is a G99 protection relay for mains-to-parallel applications, including renewable energy sources such as photovoltaic plants.

It provides adjustable voltage, frequency and loss of mains protections to safeguard both the distribution network and the generators.

If you are generating power in parallel to the mains, you will need ‘loss of mains’ protection. This is essential to avoid supplying your electricity into an islanded grid, which may lead to possible equipment damage or safety issues.


KEY FEATURES:

  • Unrivalled safety for installers and service engineers
  • Compatibility with DNO testing procedures
  • True RMS measurement for increased accuracy, reliable evaluation of failures
  • Vector Shift and Rate of change of frequency (ROCOF) protections available in one unit to choose the best fit to secure your site
  • Symmetrical components for better detection of voltage asymmetry failures
  • Two stage settings of voltage and frequency protections to cover short term as well as long term disturbances with appropriate priority
  • Free assignment of 5 relay outputs allows wide range of signaling and trip methods
  • Free assignment of 4 binary switches to remotely change operation of the unit
  • Adjustable time delay of Automatic fault reset which avoids necessity of on-site personnelUniversal power supply 8-40 VDC, 85-265 VAC, 110-370 VDC
  • Selectable voltage range 120/230/400 VAC with over-range to 156/290/520 VAC makes the unit independent on application
  • Supports 3-phase and 1-phase applications
  • Last 5 trips record providing evidence of cause of trip
[MP1G99TTAAB] ComAp MainsPro G99TT Protection Relay  (with seal) ComAp MainsPro G99TT Protection Relay  (with seal) - Image 2 Check Availability
ComAp MainsPro G99TT Protection Relay (with seal)
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Comap | Alternergy

ComAp MainsPro G99TT (with seal)


MainsPro G99TT is a G99 compliant type tested mains protection relay for on-grid parallel-to-mains photovoltaic applications. It provides adjustable voltage, frequency and loss of mains protections to safeguard both the distribution network and the generators.

The G99 functions were added as a result of UK adopting EU Commission Regulation on harmonising network standards known as Requirements for Generators (RfG) into GB Distribution and Grid Codes.

The main change is moving from Vector to ROCOF (Rate of Change of Frequency) protection to detect how quickly the system frequency is changing by continuously sampling the frequency of mains voltage. Now ROCOF is the only approved method for Loss of Mains.

The unit has protection settings set during the manufacturing process. Some of the settings cannot be changed and some are locked in a way that only authorized personnel can change them.


KEY FEATURES:

  • Easy set-up via a user-friendly interface
  • Full ENA EREC G99 Type Tested compliance
  • True RMS measurement
  • Required for all new installations in the UK from 27 April 2019
  • Wide power supply and measurement range
  • Simple wiring with detachable connectors
  • Remote binary communication
  • Suitable for standard DIN rail installation
  • Advanced frequency, voltage and loss of mains protections
  • History track (last 5 events)
  • Integrated mechanical lock to secure your setting
  • Breaker failure protection and watchdog 
  • Resistance to frequency jumps
  • Two stage settings of voltage and frequency protections
  • Support of 3-phase and 1-phase applications
  • Voltage protection settings can be adjusted only by authorised personnel
  • IP20 Protection
  • 2-year warranty
[GM330] GoodWe GM330 3-Phase Smart Energy Meter 2 In Stock
GoodWe GM330 3-Phase Smart Energy Meter
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GoodWe| Alternergy

GoodWe GM330 3-Phase Smart Energy Meter


The GoodWe GM330 is a three-phase smart energy meter designed for accurate monitoring of grid import and export in solar PV systems. It enables real-time energy measurement and supports export limitation when used with compatible GoodWe inverters.

Compact and DIN-rail mountable, the GM330 weighs approximately 0.2 kg and is suitable for residential and commercial installations. It provides precise energy data to optimise system performance and enhance energy management.


KEY FEATURES:

  • Three-phase smart energy meter for accurate grid monitoring
  • Measures both energy import and export
  • Supports export limitation with compatible GoodWe inverters
  • Real-time energy data monitoring
  • High accuracy metering (0.5% class)
  • Compact DIN-rail mount design
  • Suitable for residential and commercial installations
  • Lightweight construction (approx. 0.2 kg)
  • Reliable and durable build quality
  • IP20 rating (indoor)
  • Dimension (W/D/H): 72/72/85mm
[GMK110 (1 CT)] GoodWe GMK110 1-Phase Smart Energy Meter (1CT included) GoodWe GMK110 1 Phase Smart Meter2.webp New!
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GoodWe GMK110 1-Phase Smart Energy Meter (1CT included)
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GoodWe| Alternergy

GoodWe GMK110 (1CT) 1-Phase Smart Energy Meter


The GoodWe GMK110 (1CT) 1-Phase Smart Meter is a compact and efficient energy monitoring device designed for single-phase solar PV systems. It provides accurate measurement of electricity consumption and export, enabling better visibility and control of energy usage.

Ideal for residential installations, the GMK110 uses a single current transformer (1CT) to deliver precise real-time data. When paired with compatible GoodWe inverters, it supports export limitation and helps optimise overall system performance and self-consumption.

Its lightweight, DIN-rail mountable design ensures easy installation within standard electrical enclosures, while maintaining reliable and durable operation for everyday energy management.

KEY FEATURES:

  • Single-phase smart energy meter with 1x120A CT included
  • Measures both energy import and export
  • Supports export limitation with compatible GoodWe inverters
  • Real-time energy data monitoring
  • Accuracy Class 1.0 for active energy
  • Compact DIN-rail mount design
  • Ideal for residential solar PV systems
  • Lightweight construction
  • Reliable and durable build quality
  • IP20 rating (indoor)
  • Dimension (W/D/H): 19/67/85 mm
[HMS-CT120A] Haier Smart Cube Power Sensor Single Phase - External 120A CT DH 8 In Stock
Haier Smart Cube Power Sensor Single Phase - External 120A CT DH
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Haier Smart Cube  Alternergy

Haier Smart Cube Power Sensor Single Phase - External 120 CT DH


The Haier Smart Cube Energy Meter HMS-CT120A is a highly advanced energy measurement device specifically designed for the precise monitoring of electricity consumption in three-phase systems.

With an impressive 1% power measurement accuracy, this device allows for detailed analysis of energy usage.


KEY FEATURES:

  • 1% high-accuracy power detection for precise control
  • LCD real-time info display, easy to operate and check
  • Top class 120 A direct connection in single phase grid system
  • Integrates smoothly with Smart Cuce devices, no need for setup
  • Support export/import limitations and ready for AI evolving
  • 100 ms data refresh rate, instantaneous data feed
  • Grid connection type: 1P2W
  • IP51 rating (indoor)
  • Max Current: 120A
  • DIN Rail 35mm installation method
  • Communication: RS485 output for Modbus RTU
  • Dimension (W/D/H): 18/64/118mm

 

CT Accessory:

  • Number of CT: 1
  • Inner diameter of CT: 16mm
  • Max operating current of CT: 120A

 

[HG-SS] Haier Smart Cube Single Phase Energy Gateway Haier Smart Cube Single Phase Energy Gateway  - Image 2 1 In Stock
Haier Smart Cube Single Phase Energy Gateway
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Haier Smart Cube  Alternergy

Haier Smart Cube Single Phase Energy Gateway


The Haier Energy Gateway provides intelligent energy management and monitoring. It automatically detects outages and ensures a seamless transition to backup power, keeping essential loads supplied during a power failure.

This lightweight Energy Gateway features six reserved ports for versatile connections, meeting a wide range of installation needs.

Whether for new PV + ESS installations or retrofit projects, the Smart Cube Gateway provides installers with a trusted solution that simplifies commissioning and supports long-term reliability.


KEY FEATURES:

  • Multiple breaker positions reserved for Smart Cube or other loads
  • Seamless switch to backup mode
  • Ready for generator, heat pump or other controllable loads 
  • Support both whole home backup & partial home backup 
  • 350 ms reverse power flow protection of grid & generator 
  • Uninterrupted power supply through PV+ESS/grid/generator
  • Dimensions (W/H/D): 455/660/179mm  
  • Fast Ethernet, RS485, dry contact connection 

 

[HM-20] SMA Sunny Home Manager 2.0 40 In Stock
SMA Sunny Home Manager 2.0
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SMA Sunny Home Manager 2.0


Maximum of 4 Inverters can be connected with the HM 2.0. For larger systems, please use the SMA Data Manager.

The control centre for smart energy management The Sunny Home Manager 2.0 is SMA’s intelligent energy manager and enables the most efficient use of solar energy in the home. It optimises PV self-consumption and significantly reduces electricity costs. To do this, it measures the power of PV generation, purchased electricity as well as grid feed-in, and gives an overview of all relevant energy flows in the household. By means of local PV generation forecasts and the measured household consumption profile, the self-learning device prompts the user with energy-related action recommendations. Operation of the controlled appliances is coordinated in a way to optimise the use of self-generated solar energy.

The path to intelligent energy management is easy. Simply install the Sunny Home Manager 2.0 at the grid connection point, connect it to the internet router using an Ethernet cable, then register the PV system in Sunny Portal or Sunny Places free of charge and benefit from greater energy efficiency.

The dimensions for the product: 70 mm x 88 mm x 65 mm.


KEY FEATURES:

  • Records the consumption profile of individual devices
  • Maximises the use of solar energy from photovoltaic systems and optimises self-consumption
  • Energy balance and consumption data can be viewed through the Sunny Portal and Sunny Places
  • Fast and easy plug & play installation at the grid connection point
  • Compatibility with cost-effective standard radio-controlled sockets facilitates control of simple loads
  • Optimized battery charging in SMA storage systems
  • Energy balance and load data shown in interactive diagrams
  • Integrated weather and PV forecast data
[BB002862] Sungrow 1 Phase Energy Meter S100 Sungrow 1 Phase Energy Meter S100 - Image 2 6 In Stock
Sungrow 1 Phase Energy Meter S100
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Sungrow | Alternergy

Sungrow 1 Phase Energy Meter S100


Sungrow S100 is a single phase energy meter that offers high quality accurate meters. 


KEY FEATURES:

  • Class 1 measurement accuracy
  • Nominal voltage : 240 Vac
  • Max. Operating Current: 100A
  • Communication: RS485
  • Mounting Type: DIN rail 35mm
  • IP20 rating (indoor)
  • Dimension (W/H/D): 18/117/65mm
[BB002852] Sungrow 3 Phase Energy Meter DTSD1352-C/1 (6A), Indirect Measuring Check Availability
Sungrow 3 Phase Energy Meter DTSD1352-C/1 (6A), Indirect Measuring
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Sungrow | Alternergy

Sungrow 3 Phase Energy Meter DTSD1352-C/1 (6A), Indirect Measuring


Sungrow 3 Phase Energy Meter offers high quality accurate meters. 


KEY FEATURES:

  • Class 0.5 (Active) measurement accuracy
  • Nominal voltage: 230 Vac / 400 Vac
  • Max. operating current : 3x1 (6) A (via CTs)
  • Communication: RS485
  • Mounting Type: DIN rail 35mm
  • IP20 rating (indoor)
  • Dimension (W/H/D): 126/91/74mm
  • Weight: 35g
[BB002821] Sungrow 3 Phase Energy Meter DTSU666 5 (80A), Direct Measuring 6 In Stock
Sungrow 3 Phase Energy Meter DTSU666 5 (80A), Direct Measuring
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Sungrow | Alternergy

Sungrow 3 Phase Energy Meter DTSU666 5 (80A), Direct Measuring 


The Sungrow DTSU666 3 phase energy meter is suitable for monitoring energy consumption and electrical parameters.


KEY FEATURES:

  • Class 1 measurement accuracy
  • Nominal voltage: 230 Vac / 400 Vac
  • Max. operating current : 80 A 
  • Communication: RS485
  • Mounting Type: DIN rail 35mm
  • IP20 rating (indoor)
  • Dimension (W/H/D): 75/65/100 mm
  • Weight: 0.4kg
[SG-Logger4000] Sungrow DataLogger 4000 (up to 300 devices) 2 In Stock
Sungrow DataLogger 4000 (up to 300 devices)
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Sungrow | Alternergy

Sungrow DataLogger 4000 (up to 300 devices)


The Sungrow Logger4000 is a high-capacity data logger designed for commercial, industrial, and utility-scale PV systems, as well as larger residential setups with multiple inverters. It supports up to 300 devices, including inverters, meters, and sensors, and connects via RS485 or Ethernet. With built-in digital and analogue I/Os, it can integrate external control signals and sensors, enabling remote monitoring, parameter adjustments, and local maintenance via WLAN or iSolarCloud.

The Logger4000 is ideal for systems needing export limitation, grid support, or battery integration. It makes a strong choice for UK installers working on complex PV or hybrid projects that demand robust monitoring and DNO-ready control.

KEY FEATURES:

 

  • Supports up to 300 connected devices (inverters, meters, sensors, weather stations) 
  • Number of RS485:  7 
  • 16 digital inputs (DI), 4 digital outputs (DO), 4 analogue inputs (AI) for external control and sensor integration
  • Communication: Ethernet, RS485
  • Inverter Communication: RS485, MPLC
  • 30 ms fast transmission via the Goose protocol (a fast, peer-to-peer communication protocol defined by IEC 61850 for critical substation events)
  • Built-in anti-surge protection for communication ports,
    and support isolation voltage up to 2500V
  • Dual power supply, automatic switch
  • IP20
  • Mounting options: DIN rail, wall-mounted, or 19" rack
  • Mains Connection: 230V AC, 50Hz power supply
  • Dimensions (WxHxD): 440×44×224 mm 
[AST03843] Sungrow Logger 1000A for Commercial Systems (incl 4G) New!
1 In Stock
Sungrow Logger 1000A for Commercial Systems (incl 4G)
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Sungrow | Alternergy

Sungrow Logger 1000A for Commercial Systems


The Logger1000A is a data acquisition and protocol conversion device designed for PV power plants. It supports the connection of up to 30 devices, including inverters, combiner boxes, meteorological stations, and energy meters.

 

KEY FEATURES:

 

  • Supports a maximum of 30 devices
  • Supports energy meter, environmental sensors and multiple inverters
  • Built-in Web server for monitoring and configuration, accessible by PC or smartphone; no APP required
  • Plant maintenance by remote Web access, optimised OPEX
  • Automatic Modbus address distribution
  • Flexible networking: Supports RS485, Ethernet, 4G and WLAN
  • Mounting: DIN rail or wall mounting
  • Ingress protection: IP20
  • Dimensions: 200mm x 110mm x 60mm
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