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Home ⊙ NEWS ⊙ ABB DC switching contactors, type GAF A compact contactor up to 1000 V DC
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ABB DC switching contactors, type GAF A compact contactor up to 1000 V DC

From:ABB | author:Mr.Chen | Time :2025-08-04 | 4 view: | Share:

The GAF contactor range

A compact and efficient way of DC switching

The new GAF range contactors are the latest addition to ABB’s

well established A/AF range. This further extends our offering  of

contactors for DC switching at voltages up to 1000 V DC. The

GAF contactors utilize all the well known features of the existing

A/AF range such as modern and compact design. In addition

all the benefits from the AF coil technology and reliability of a

proven contactor design. These contactors are rated for DC-1

or DC general purpose applications according to IEC 1000 V

DC or cULus 600 V DC. The new GAF contactors share the

external dimensions of its corresponding standard AF contactor.

Features and benefits

Powerful

•  1000 V DC switching ratings (IEC).

•  UL (508) rated up to 600 V DC.

Flexible

•  Wide control voltage range (e.g. 100-250 V AC/DC) means

less versions covering the entire range.

•  PLC interface with 24 V DC / 10 mA for GAF/AF400...2050.

•  Ideal for remote and fast operation.

Efficient

•  The AF electronic coil interface reduces power consumption

5-10 times at holding compared to conventional contactors.

Reliable

•  The GAF contactor is based on the well proven AF contactor.

•  Less sensitive to voltage drops due to a drop-out voltage

of 55% of the lower nominal value along with 20 ms sag

and dip immunity. These features avoid the problems with

contactor chattering and welding.

•  Elimination of contact bounce and chattering allows for

increased reliability and service life.

Quiet

•  DC powered coil makes the contactor virtually noise free.

Easy

•  The external dimensions of the GAF contactors are the same

as corresponding AF contactors making it easy to order and install.

•  Existing add on accessories for A/AF range of three pole

contactors will fit the GAF contactors.

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