DatasheetProduct Technical 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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