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POWER INVERTER
KH 3905

Intended Use

The device is intended for connection to a 12 V 
vehicle power socket or a car battery and an output
of 220 - 240 V AC, for the connection of electrical
devices with a power consumption of up to 300 Watts.
The device is not intended for commercial or 
industrial purposes.
No guarantee claims will be granted for damage
resulting from improper use!

Attention!

Sensitive electronic devices should not be ope-
rated with the power inverter since the output
voltage is not sufficiently constant for these 
devices.

Safety information

• This device is not intended for use by individuals

(including children) with restricted physical, physio-
logical or intellectual abilities or deficiences in
experience and/or knowledge unless they are
supervised by a person responsible for their safety
or receive from this person instruction in how the
device is to be used. Children should be supervised
to ensure that they do not play with the device.

• To avoid dangers remove the power inverter from

the vehicle receptacle and/or the connection ter-
minals from the automotive battery after each
use and before every cleaning.

• Only connect the power inverter to the automotive

battery when the engine is switched off! The
possibility of injury exists from rotating parts!

• Check the device and all parts for visible damage.

The safety concept of the device can only function
properly when it is in perfect condition.

• The power inverter must always be easily accessible

so that, in case of emergency, it can be quickly
disconnected from the power supply system.

Risk of electrical shocks.

• Connect the power inverter only to a 12 V auto-

motive battery/vehicle receptacle. Connecting
the device to a 24 V supply could damage it.

• When connecting the power inverter via the 12 V

vehicle plug make sure that the polarity of the
vehicle plug matches the polarity of the in vehicle
receptacle. The vehicle socket must have an inter-
nal positive pole, that is to say that the positive pole
of a vehicle battery cannot be connected to the
chassis of the vehicle.

• Check before connecting the power inverter that

the vehicle receptacle is sufficiently secured. This
safeguard may not in any way be circumvented
or changed.

• Use the supplied connecting cable only.
• Arrange for defective plugs, connection terminals or

cable to be replaced at once by qualified techni-
cians or our Customer Service Department.

• Get customer service to repair or replace connecting

cables and/or devices that are not functioning
properly or have been damaged.

• You may not open the casing or repair the device

yourself. Should you do so, the safety of the
device may be compromised and the warranty
becomes void.

• NEVER submerse the device in water. 

Wipe it only with a slightly damp cloth.

IB_KH3905_BK46498_LB6_GB.qxd  08.03.2010  12:42 Uhr  Seite 2

Summary of Contents for KH 3905

Page 1: ... KH 3905 KOMPERNASS GMBH BURGSTRASSE 21 D 44867 BOCHUM www kompernass com ID Nr KH3905 01 10 V3 Power Inverter Power Inverter Operating instructions CV_KH3905_BK46498_LB6 qxd 18 02 2010 10 11 Uhr Seite 1 ...

Page 2: ...KH 3905 r e w t q A B C D CV_KH3905_BK46498_LB6 qxd 18 02 2010 10 11 Uhr Seite 4 ...

Page 3: ...6 Low battery signal 7 Changing the cable fuse 7 Handling general failures 8 Troubleshooting 8 Cleaning 9 Disposal 9 Importer 9 Warranty Service 9 Read the operating instructions carefully before using the device for the first time and preserve this booklet for future reference Pass this booklet on to whoever might acquire the device at a later date IB_KH3905_BK46498_LB6_GB qxd 08 03 2010 12 42 Uh...

Page 4: ...all parts for visible damage The safety concept of the device can only function properly when it is in perfect condition The power inverter must always be easily accessible so that in case of emergency it can be quickly disconnected from the power supply system Risk of electrical shocks Connect the power inverter only to a 12 V auto motive battery vehicle receptacle Connecting the device to a 24 V...

Page 5: ...o the device To completely disconnect the device from the vehicle power the 12 V vehicle plug must be re moved from the vehicle socket or the connection terminals removed from the automobile battery Risk of personal injury Do not operate the device if it has fallen or is damaged Have the device checked and repaired if necessary by qualified technicians Technical data DC Input Voltage 12 V Maximum ...

Page 6: ...f devices via the power inverter the vehicle socket must supply a voltage between 11 15 5 V The voltage source of the vehicle socket can be perhaps an automotive battery or a regulated DC voltage like a transformer accumulator station Before connecting the power inverter check to see that the voltage source is supplying sufficient power for operation The required power needed for operation can be ...

Page 7: ... the power inverter s 12 V connection screw t B C Diagram Cable shoe connection Connection to a 12 V vehicle receptacle Attention Do not use the power inverter in vehicles who se plus pole is connected to the vehicle body and or the chassis The positive pole must be inside the receptacle Do not use the power inverter in vehicles with positive earth receptacles Otherwise the de vice will be damaged...

Page 8: ...e position I If the power inverter is functioning properly the operation LED Over load indicator w will light up green Now switch on the load device to be operated When switched on a short signal tone can be heard Note If a signal tone can be heard and the operation LED Overload indicator w lights up red the input voltage is too low or the power of the load device connected to the power inverter i...

Page 9: ...erter switches off and the operation LED Overload indicator w lights up red Changing the cable fuse Risk of potentially fatal electrical shock Disconnect the power inverter from the power source before changing the fuse Also remove any devices connected to the power inverter The red cable with the connection terminal is equipped with a fuse When too great a load is connected to the power inverter ...

Page 10: ...ant Low battery voltage signal sounds continually Possible cause and remedy The battery is defective Replace the battery Insufficient voltage or power supply Check the condition of the in vehicle receptacle and the 12 V vehicle plug and if necessary clean these No output power Possible cause and remedy The power inverter is not fully warmed up Switch the power inverter on and off again until the d...

Page 11: ...of purchase The appliance has been ma nufactured with care and meticulously examined be fore delivery Please retain your receipt as proof of purchase In the event of a warranty claim please make contact by telephone with our Service Depart ment Only in this way can a post free despatch for your goods be assured The warranty covers only claims for material and maufacturing defects but not for trans...

Page 12: ...IB_KH3905_BK46498_LB6_GB qxd 08 03 2010 12 42 Uhr Seite 10 ...

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