Song Chuan 510 heavy-duty 54A 277VAC, 50A 400VAC power type relay. The coil holding voltage can be reduced to 50~55% V of the nominal coil voltage for saving energy. The high performance PCB power relay is designed for photovoltaic power generation systems (solar inverter). The Song Chuan 510 relay complies with RoHS-Directive 2011/65/EU.
| Terminal style | Contact form | Contact gap | Designation (provided with) | |
| Dust cover | Flux tight | |||
| PCB terminal | 2A (DPDM) |
2.1mm | 510H-P-2A-F-D | 510H-P-2A-F-C |
| – | 510C-P-2A-F-C | |||
| 3.0mm | 510H-P-2A1-F-D | 510H-P-2A1-F-C | ||
| – | 510C-P-2A1-F-C | |||
DPDM contact configuration with large contact gap 2.1mm / 3.0mm version
Conforms to European photovoltaic standard IEC 62109-1
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