| Product Name | DC Contactor/ Relay |
| Model | YSCJ300-12AF |
| YSCJ400-12AF | |
| Electrical Specifications | 300A/Coil 12VDC 400A/Coil 12VDC |
| Suitable for | Electrical Equipment for Forklifts, Construction Machinery and More |
| Performance Parameters | |
| Main Contact Form | 1SH |
| Contact Resistance | ≤5mΩ (400A) |
| Main Contact Rated Current | 400A |
| Main Contact Rated Voltage | 80VDC |
| Minimum Operating Load | 12VDC.1A |
| Short-time Overload Current | 550A/5min; 750A/2min; 1100A/15s |
| Instant Inrush Current | 4000A/2ms |
| Mechanical Life | 1×10⁵ cycles |
| Electrical Durability | 1×10⁴ cycles (300A,80VDC) |
| Vibration | Sine wave, 2.5g, (5~50)Hz |
| Operating Temp Range | -25~55℃ |
| Humidity Range | 5~95%RH |
| Terminal Type | Refer to Outline Drawing |
| Weight | 300g |
| Shock Resistance | 50g, 11ms (Half-sine wave) |
| Temperature Rise | Coil Temp Rise:≤70K |
| Load Temp Rise:≤65K | |
| Insulation Resistance | Between Contacts:100MΩ(500VDC) |
| Coil to Contact:100MΩ(500VDC) | |
| Dielectric Withstand Voltage | Between Contacts: 1500VAC |
| Coil to Contact: 1500VAC | |
| Coil Control Mode | Coil drive time:100ms~200ms; |
| Interval ≥5s | |
| Operate Time (ms) | ≤30 |
| Release Time (ms) | ≤30 |
| Bounce Time (ms) | ≤5 |
| Coil Parameters | |
| Rated Voltage (VDC) | 12 |
| Absorption Voltage (VDC) | ≤9 |
| Drop-back Voltage (VDC) | ≤9 |
| Coil Resistance (1±10%) Ω | 6 |
| Coil Power Consumption (W) | 24 |
