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How a DC MCB can be mounted sideways or upside down
Can a DC MCB be mounted sideways? The short answer is: not as a blanket rule. Some DC MCBs are explicitly rated for any mounting position; others are restricted to vertical or ho
• Three-phase triple protection: overvoltage, undervoltage & overcurrent, built to enterprise standards.
• Multi-input monitoring: auto-selects output per preset parameters for stable, safe operation.
• Auto cut-off & auto reset — hands-free recovery after a set delay.
• Transient-voltage immune: no nuisance tripping.
• Adjustable reconnection delay after power dropout or loose-contact faults.
• Max 330 VAC peak rating; custom voltage on request.
| Product Model | SGQ-63 |
| Product name | Three-phase overvoltage, undervoltage, and overcurrent protector |
| Number of poles of the product | 3P+N |
| Rated operating voltage | AC 380/400V |
| Rated operating current | 1A - 63A adjustable (default 63A) and 1A - 100A adjustable (default 100A) |
| Rated operating frequency | 50Hz/60Hz |
| Dimensions (L × W × H) | 84.5 x 90 x 66MM |
| Power-on delay time | 1s - 500s adjustable (default is 5s) |
| Overvoltage action protection value | 230V - 300V adjustable (default is 270V) - OFF (can be turned off) |
| Overvoltage recovery value | 225V - 295V adjustable (default is 265V) |
| Overvoltage recovery delay time | 1s - 500s adjustable (default is 30s) |
| Overvoltage protection action time | 0.1s - 30s adjustable (default is 1s) |
| Undervoltage protection action value | 140V - 210V adjustable (default 170V) - OFF (can be turned off) |
| Undervoltage recovery value | 145V - 215V adjustable (default 175V) |
| Undervoltage recovery delay time | 1s - 500s adjustable (default is 30s) |
| Undervoltage protection action time | 0.1s - 30s adjustable (default is 1s) |
| Three-phase voltage error compensation value | -9.5% ~ +9.5% adjustable (default: 0) |
| Three-phase voltage imbalance protection value | 20V - 99V adjustable (default is 20V) |
| Three-phase voltage imbalance recovery value | 15V - 94V adjustable (default is 15V) |
| Phase sequence protection switch | ON/OFF (default: OFF) |
| Overcurrent protection action value | 1-63A/1-100A adjustable (default 63A/100A) - OFF (can be turned off) |
| Overcurrent recovery delay time | 1s - 500s adjustable (default is 30s) |
| Overcurrent protection action time | 0.1s - 30s adjustable (default is 1s) |
| Three-phase current error compensation value | -9.5% ~ +9.5% adjustable (default: 0) |
| Continuous overcurrent protection limit | OFF-1 - 20 adjustable (default is OFF) |
| working mode | SYN (Synchronous mode)/ASY (Asynchronous mode) |
| Electrical machinery lifespan | 105 |
| Installation method | Standard guide rail installation |
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