Products - Solar inverters - Delta EMEA

HxA Flex series

The H-series are single-phase inverters in 4 power levels from 2.5 to 5 kW and with a peak efficiency of up to 98.3%. The devices are suitable for 1 (H2.5) or 2 (H3A, H4A, H5A) module strings and have an integrated Wi-Fi module for simple connection to a Wi-Fi router.
 

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Product Introduction

Key features
Delta HxA Flex solar inverters - connections on the underside of the inverter.

Area of application

The H-series inverters have been specially designed for small private installations. With the low switch-on voltage of only 30 V, you can start with just 2 modules in the string and add further modules later. These inverters are not suitable for balcony systems.

Delta AC connection socket for H-series single-phase solar inverters.

Grid connection made easy

The inverters are certified according to VDE-AR-N 4105. A 3-pin plug for grid connection is supplied.

Delta HxA solar inverter DC connection panel and DC disconnector with 2 MPP trackers

Perfect for pitched roofs

The H-series models can each be connected to 2 module strings (H2.5: 1 module string) that can be controlled independently of each other. This allows the modules to be easily mounted on both sides of pitched roofs. A mechanical DC disconnector is built in. The required PV plugs for the module cables are included in the scope of delivery.

Rear panel of Delta H-series solar inverter with mounting plate for wall mounting.

Quick and flexible installation

Heat exchange with the environment takes place exclusively by natural convection, i.e. without fans. As a result, the inverters are light and compact and operate very quietly. They can thus be safely installed inside the building; they can also be used in protected outdoor areas (IP65). A mounting plate for wall mounting is supplied.

Delta H-series single-phase solar inverters have a Wi-Fi module for connecting to a smartphone or wireless router.

Convenient operation

Setting up, commissioning and system monitoring are carried out with the DeltaSolar smartphone app. For remote monitoring in the MyDeltaSolar Cloud (registration required), the inverter can be connected to a wireless router via Wi-Fi.

Applications
Technical data

A complete overview of the technical data can be found in the data sheet.
 

Input (DC) H2.5 H3A H4A H5A
Maximum input power 2.6 kW 3.19 kW 4.32 kW 5.28 kW
Input voltage range 30 to 500 VDC 30 to 600 VDC
MPP voltage range with maximum power 240 to 470 VDC 180 to 500 VDC 240 to 500 VDC
Maximum current (per MPP tracker/total) 11 A/11 A 11 A/18 A
Maximum number of MPP trackers 1 x 1 module string 2 x 1 module string
Output (AC) H2.5 H3A H4A H5A
Maximum apparent power 2.5 kVA 3.0 kVA 4.0 kVA 5.0 kVA
Rated apparent power 2.5 kVA 3.0 kVA 4.0 kVA 5.0 kVA
Voltage range 230 VAC -20%/+22%, single-phase (L, N, PE)
Nominal current 10.9 A 13.0 kVA 17.4 kVA 22.0 kVA
General specifications H2.5 H3A H4A H5A
Delta model name H2.5_210 H3A_220 H4A_220 H5A_220
Peak efficiency 97.5% 97.5% 97.5% 98.3%
Operating temperature range -25 to +60°C
Topology Without transformer
Mechanical details H2.5 H3A H4A H5A
Dimensions (H x W x D) 318 × 380 × 130 mm
Weight 10 kg 10 kg 11 kg 12 kg
Cooling Natural convection, without fan
Connection type AC side 1 AC plug Wieland RST25IRS
Connection type DC side 1 pair of Multi-Contact MC4 connectors 2 pairs of Multi-Contact MC4 connectors
Degree of protection IP65
Communication H2.5 H3A H4A H5A
Communication interfaces Wi-Fi
Safety/Standards H2.5 H3A H4A H5A
Degree of protection IP65
Safety class I
Islanding protection/grid regulation VDE 0126-1-1, VDE-AR-N 4105, EN 50438 2013:Netherlands, C10/11



 
Related products

Accessories & spare parts, more information

Accessories and spare parts for HxA Flex solar inverters
Installers can order accessories and spares parts via the Delta EMEA Partner Portal (registration required).
Additional information
 
  1. Accessories and Spare Parts
  2. Competence Center
  3. Customer Service
  4. Delta Solar Distribution

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Front view.

Connections on the bottom.

Back with mounting plate for wall mounting (included).