High Voltage DC Contactor DHC250

·250A contact switching capability, compact size;
·It has a set of bridge-type normally open contacts, and the contact circuit has "+" and "-" polarities;
·The coil is equipped with an energy-saving device to maintain the maximum power consumption of 4.5W;

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SPECIFICATIONS

Contactor Data

Main Part No.

DHC250

Contact Data

Contact form

1H(SPST-NO)

Rated load(Resistive load)

250A

Min applicable load (Resistive load)

1A/12VDC

Max switch current

2000A(300VDC)1 time

Max switch voltage

1000VDC

Contact voltage drop(initial)

≤80mV@250A

Current carrying capacity(a)

250A : continued

375A:1h

500A:20min

800A: 30s

2000A: 0.6s

Impact resistance

Stability

Half-sine shock

pulse:11ms

ON: 196m/s²(> 20G)

OFF: 98 m/s²(> 10G)

Strength

Half-sine shock

490 m/s²(> 50G)

Vibration resistance

10Hz~500Hz 49 m/s²(> 5G)

Product installation mode

Arbitrarily

 

Coil Data(20℃)

Coil rated volt.

Pick-up volt.

Release volt.

Max operate volt.

Rated current(±10%)

Rated coil power

12VDC

≤9VDC

≥1VDC

16VDC

Pick-up:2.92A

Hold-in:0.375A

Pick-up:35W(0.2s Pick-up)

Hold-in:4.5W

24VDC

≤18VDC

≥2VDC

32VDC

Pick-up:1.46A

Hold-in: 0.188A

Pick-up:35W(0.2s Pick-up)

Hold-in: 4.5W

 

Part Numbering System

 

Shape installation and circuit diagram

 

Coil lead out mode (Tianhai: 0435308 or Yazaki: 7283-1020)

Note: The main contact connect “+” polarity to the main contact terminal with “1+” mark, and connect “-” polarity to the main contact terminal with “2-” mark.

 

Current tolerance curve

Note: The above data is tested at 85℃ ambient temperature, Traverse area≥95mm². The data is for reference only, please do not use to select the fuse directly.

 

Electrical life curve

 

Pick-up / release voltage curve

The above data are tested by random sampling of coil volt. 12VDC product. The data is for reference only, (test qty:n=3)

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