Song Chuan 511 relay is a heavy duty 140A 400VAC(for 511E), 100A 400VAC (for 511H) power type. 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 for photovoltaic power generation systems (solar inverter) and complies with RoHS-Directive 2011/65/EU.
| Terminal style | Contact form | Designation (provided with) |
| Flux tight | ||
| PCB terminal | 1A (SPDM) |
511EP-1AH-F-C |
| 511HP1-1AH-F-C |
SPDM contact configuration with large contact gap 3.0mm version
Conforms to European photovoltaic standard IEC 62109-1
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