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Contact form: 1H（SPST-NO）
Rated load(Resistive load) : 300A
Min applicable load (Resistive load) : 1A/12VDC
Max switch current: 2000A（750VDC）1 time
Max switch voltage: 1000VDC
Contact voltage drop(initial) : ≤150mV@300A
Contactor Data
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Main Part No. |
DHCH300 |
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Contact Data |
Contact form |
1H（SPST-NO） |
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Rated load(Resistive load) |
300A |
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Min applicable load (Resistive load) |
1A/12VDC |
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Max switch current |
2000A（750VDC）1 time |
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Max switch voltage |
1000VDC |
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Contact voltage drop(initial) |
≤150mV@300A |
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Current carrying capacity(a) |
300A : continued |
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450A：60min |
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600A：20min |
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1200A:30s |
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3000A:0.6s |
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Impact resistance |
Stability |
Half-sine shock pulse:11ms |
ON: 196m/s²（＞20G） |
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OFF: 98 m/s²（＞ 10G） |
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Strength |
Half-sine shock |
490 m/s²（＞ 50G） |
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Vibration resistance |
10Hz~500Hz 49 m/s²（＞ 5G） |
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Product installation mode |
Arbitrarily |
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Coil Data（20℃）
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Coil rated volt. |
Pick-up volt. |
Release volt. |
Max operate volt. |
Rated current （±10%） |
Rated coil power |
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12V DC |
≤9V DC |
≥1V DC |
16V DC |
0.5A |
6W |
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24V DC |
≤18V DC |
≥2V DC |
32V DC |
0.25A |
6W |
Part Numbering System
Shape installation and circuit diagram
▶Note: The main contact of the product has no polarity; the red wire of the coil is connected with the positive pole, and the black wire is connected with the negative pole.
Current tolerance curve
▶ Note: The above data is tested at 85℃ ambient temperature, Traverse area≥100mm². The data is for reference only, please do not use to select the fuse directly.
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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