Important characteristics and features

Features & Functions

Real sine wave alternating voltage 230 V/50 Hz

The digital control converts a 12 V or 24 V direct voltage into a pure sine wave output voltage of 230 V/50 Hz

Graphic true sine wave

Microprocessor-controlled electronics

A microprocessor forms the heart of the inverter. This control centre monitors the most important parameters of the of the electronic system, such as the input voltage and frequency. This ensures constant stability of the output voltage.

Continuous power 300 W – Peak output power 600 W

Especially with loads that require a high inrush current, the start-up does not always run smoothly. For this reason, all DSW inverters are designed to provide twice the continuous output power for a short time.

Please note: To determine the appropriate inverter, you need to know your total power requirement. This is the sum of the power (W or VA) of each individual consumer. We recommend that you allow for a power reserve of 30 - 40 % upwards.

To the overview "How to find your inverter" >

Powerstart function for loads with high inrush current

All DSW inverters have a powerstart function as standard.

Inrush current

When the load is switched on, the inrush current can briefly reach 5 to 10 times the specified nominal current. The powerstart function attempts to compensate for this phenomenon by making up to 5 start attempts with maximum output power.

Graphic power start function

E-certification: Suitable for permanent installation in vehicles

The digital sine wave inverters meet the legal requirements of the ECE regulations and therefore have the E-certification. They are suitable for permanent installation in all vehicles with road approval, such as passenger cars, utility vehicles or other vehicles with 24 V on-board voltage.

Galvanic isolation of the input and output stage

Galvanic isolation

Galvanic isolation (see fig. above)

Thanks to galvanic isolation, there is no electrical conductive connection between the input and output circuit. Therefore, no additional personal protection device ( RCD or DI circuit breaker) is required even for commercial use when only one 230 V consumer is connected.

Please note:
If a multiple socket outlet is connected and several 230 V consumers are used at the same time, the German trade associations stipulate that each additional consumer must be protected with a separate RCD or DI circuit breaker. Please obtain information from your trade association or on the Internet at: www.dguv.de

Extensive protection functions

IVT inverters provide protection against reverse polarity and overvoltage at the input as well as against short circuit and overload at the output. In case of overheating, the inverter shuts down automatically.

Dynamic deep discharge protection

On the one hand, the dynamic deep discharge protection ensures that the battery is protected against deep discharge; on the other hand, it also allows loads with a high inrush current, as the cut-off threshold is lowered for a short time.

With the optionally available FB-04 remote control and the Webbox-LCD, it is also possible to adjust the deep discharge protection individually. A voltage between 9 V and 12 V (for 12 V models) or 18 V and 24 V (for 24 V models) can be selected.

If the set limit value is reached, the inverter first indicates this by flashing the input LED. The load output of the inverter then switches off automatically. The load output only becomes active again when the battery has reached the necessary restart voltage.

Selectable power-saving functions: Standby, Sleep

Standby function

If the inverter is not needed constantly, the selectable standby function makes it possible to reduce the inverter's own power consumption by approx. 90 %. For this purpose, only DIP switch 2 (see picture) must be switched on directly on the device. The device now checks approx. every 10 seconds, whether a load is connected. If the inverter detects a load above the standby level, it switches on the 230 V AC output and is thus in the normal operating mode again.

Sleep function

All inverters of the DSW series are additionally equipped with a sleep function. If the power output is not used for more than 10 minutes, the inverter switches off automatically and no longer draws current.

The device is switched on again by switching it off and on again directly at the device or using the remote switch FS-01 or FS-02 when it is in a location that is difficult to access.

The sleep function can be activated or deactivated directly at the device using DIP-switch 1 (see picture). This prevents unnecessary discharging of the battery.

Operation and display elements

1 Solid metal housing
2 Metal rails for secure mounting
3 230 V grounding-type socket
4 Temperature- and power-controlled fan

Operation and display elements, Digital Sine Wave Inverter IVT DSW-300, 24 V, back

5 12 V or 24 V terminal clamp for battery
6   DIP-switches for sleep/standby function and addressing
7 Connectors for remote controls FB-04, Webbox-LCD
8   Connector for remote switches FS-01 or FS-02
9   5 V USB socket
10 Indicator for input and output voltage
11 Main switch ON/OFF

230 V grounding-type socket – Country-specific customisation on request

Standard version suitable for plug type: F, C

All Digital Sine Wave Inverters are equipped with a 230 V grounding-type socket as standard, suitable for the plug types C (Europlug^®) and F (Schuko plug^®) commonly used in Germany and most European countries.

Country-specific output socket United Kingdom

All DSW inverters are available on request at no extra cost with the socket suitable for plug type G (United Kingdom).
Delivery request DSW-300, 24 V, plug type G >

Country-specific output socket France, Eastern European countries

Furthermore, all DSW inverters are available on request without surcharge with the socket suitable for plug type E, C (France, many Eastern European countries).
Delivery request DSW-300, 24 V, plug type E, C >

We are happy to make other country-specific adaptations on request.
More information on socket standards and mains voltages in Europe >

5 V USB socket as standard

All DSW inverters are equipped with a 5 V USB socket for the power supply of suitable external devices such as mobile phones, tablets, cameras or navigation devices.

Temperature- and power-controlled fan

The power- and temperature-controlled fan minimises the noise of the inverter by only being switched on when required.

Lightweight and powerful

DSW inverters set themselves apart through their low weight. Conventional inverters are often equipped with large ring transformers. As a result, they are heavy and bulky. In contrast, the microprocessor-controlled IVT inverters work digitally thanks to innovative technology: large, heavy components are omitted and replaced with small and powerful components.

Solid metal housing

The valuable inner workings of the inverter are protected by a solid and sturdy metal housing. Thanks to the mounting rails, the inverter can be stably fixed anywhere.

Remote switch on/off: Available as accessory


Remote switch FS-01, surface-mounted Product no. 430111 To the product >		Remote switch FS-02, flush-mounted Product no. 430121 To the product >

Inverters are often installed in places that are difficult to access during later use. With the remote switches FS-01 (surface-mounted version) and FS-02 (flush-mounted version) all DSW inverters can be switched on and off at a suitable location. The remote switch replaces the main switch on the inverter.

Remote control: Individual control and monitoring of up to 4 units


Remote control FB-04, cable-connected Product no. 200051 To the product >		Webbox-LCD, PC version Product no. 200054 To the product >

With the optionally available remote control FB-04 (cable-connected) as well as the Webbox-LCD (operation in an existing computer network), it is possible to individually adjust the deep discharge protection.

For the 12 V models, a voltage between 9 V and 12 V can be selected, for the 24 V models, a voltage between 18 V and 24 V can be selected.

The remote control and the Webbox-LCD also offer the advantage of individually controlling and monitoring up to 4 devices (inverters of the IVT DSW series, solar controllers of the MPPTplus⁺ series).

Matching connection cable sets

For a safe and fault-free operation of the DSW inverters, we recommend to use the original IVT connection cables.

These are exactly fitted to the respective inverter in terms of conductor cross-section and cable length. The high-quality production of our connection cables guarantees a particularly long service life even under high loads.

The cable set is already pre-assembled with matching ring lugs and wire end ferrules for connection to the battery and the inverter. All original IVT connection cables are delivered including fuse holder and 200 A fuse.

Connection Cable IVT for DSW-Inverters

Connection Cable IVT for DSW-Inverters 1 m 16 mm²
Product no. 431000
To the product >

Connection Cable IVT for DSW-Inverters 2 m 16 mm²
Product no. 431001
To the product >

Connection Cable IVT for DSW-Inverters 3 m 16 mm²
Product no. 431009
To the product >

Connection Cable IVT for DSW-Inverters 1 m 25 mm²
Product no. 431002
To the product >

Connection Cable IVT for DSW-Inverters 2 m 25 mm²
Product no. 431003
To the product >

Connection Cable IVT for DSW-Inverters 3 m 25 mm²
Product no. 430064
To the product >

Connection Cable IVT for DSW-Inverters 4 m 25 mm²
Product no. 430065
To the product >

3 year manufacturer warranty

IVT products are manufactured to a high quality and following strict quality guidelines. We are certain about the longevity so that we add another year to the statutory manufacturer warranty free of charge. Rechargeable batteries and batteries are excluded from this warranty.

Delivery content

Digital Sine Wave Inverter IVT DSW-300, 24 V, 300 W
Operating instructions DE, EN, FR, NL, IT, ES

Please order the connection cable set separately.

Recommended use

The precise stand-alone inverters of the DSW series can be used in a variety of ways for both mobile and stationary applications. They are suitable for use in cars, trucks, service and commercial vehicles, motor homes, caravans, construction site vehicles, tractors, motor and sail boats, in solar island systems and much more.

Technical Data

Input
Nominal voltage DC	24 V
Voltage range DC	22 - 32 V
Nominal input current	12.5 A
Input current (max.)	15.5 A
Deep discharge protection voltage, idle	21 V
Deep discharge protection voltage, nominal	19 V
Deep discharge protection voltage, adjustable*)	18 - 24 V
Advance warning of deep discharge protection switch-off	1 V above switch-off voltage
Switch-on voltage	25 V
Over-voltage switch-off	32 V
Nominal power consumption, idle	4 W
Nominal power consumption, standby	0.4 W
Output
Output voltage AC (± 2 %)	230 V_eff
Frequency (± 1 %)	50 Hz
Wave form	Sinusoidal
Continuous output current	1.3 A_eff
Continuous output power	300 VA
Peak output power (max. 2 s)	600 VA
Power factor	cos phi > 0.8
Nominal efficiency	90 %
Standby activation, output power	< 50 VA
General
Input connector	Screw terminal
Output connector	Isolated ground socket
Suitable for plug type	F, C
Output connector USB (type A)	5 V/500 mA DC
Temperature range (66 % nominal power)	-25 °C to +60 °C
Temperature range (100 % nominal power)	-25 °C to +40 °C
Sleep function	Optional
Standby function	Optional
Galvanic isolation (input/output)	Yes
Powerstart function	Yes
E-certification	Yes
Remotely controllable	Yes
Fan cooling	Yes
Dimensions (L x W x H)	263 x 164 x 88 mm
Weight	1.8 kg
*) only with remote control FB-04 or Webbox-LCD

Digital Sine Wave Inverter IVT DSW-300, 24 V, 300 W

Absolutely self-sufficient thanks to real sine wave AC voltage