Synchronous transfer switch (STS)
ST60(50, 60 Hz) / ST400(400 Hz)
The Synchronous Transfer Switch (STS) uses two different power sources to stably supply power to the load without power disconnection.
- Seamless(4 ms) transfer
- High-reliability, high-quality power supply
- Touch screen applied
- Manual / automatic operation selection
- Generator / power supply details and current status monitoring
- Save and search alarm history
- Cheongung – Non-disruptive power system supply performance
절체특성
SPECIFICATION
| Capacity | 50A | 100A | 150A | 200A | 300A | 400A | 500A | ||
| Electrical features | |||||||||
| AC | |||||||||
| Input | Phase | 3-phase | 3-phase | ||||||
| Rated voltage | 380V / 220V, 208 / 120V | 380 V / 220 V, 208 / 120 V | |||||||
| Input voltage available range | ± 10% | ± 10 % | |||||||
| Rated frequency | 50, 60Hz | 400 Hz | |||||||
| Output | Rated voltage | Equivalent to input voltage | |||||||
| Rated frequency | 50, 60Hz | 400 Hz | |||||||
| Available range | 120% 10 minutes, 150% 1 minute | ||||||||
| Performance | |||||||||
| Efficiency(%) | 95% or more | ||||||||
| Switchover time | 4ms or less | 0.6 ms or less | |||||||
| User environment data | |||||||||
| Operating temperature (Humidity) | 0℃ ~ 40℃ (95%) | ||||||||
| Storage temperature (Humidity) | -20℃ ~ 60℃ (95%) | ||||||||
| Noise | 70 dB(A) or less | ||||||||
| Altitude | Below 1,500 m above sea level, indoor (for indoor use) | ||||||||
| Outer case standard / painting | IP20 / EA404K (Hamma Tone, White) | ||||||||
| Interface | |||||||||
| User interface | 7-inch Color Touch Screen Module | ||||||||
| External Communication (Option) | RS232 / RS485 (MODBUS RTU, Megatec), Ethernet (MODBUS TCP, SNMP) / Dry contact | ||||||||
| Appearance and Weight | |||||||||
| Size(W × D × H / mm) | 900 × 1,500 × 2,000 (based on maximum capacity) | ||||||||
※ The product specifications above are subject to change without notice to improve function and quality.
시스템 구성도
