STS Series
STS Series
A static transfer switch is a two-position, semiconductor system that can automatically or manually switch between two synchronized single-phase or three-phase AC sources without interrupting the load for more than 1/4 cycle.
- Features
- Parameters
- Documents
- Get a Quote
Features
- Smart control with DSP technology
- Thyristor-controlled switching architecture
- Automatic and manual transfer capability
- Fuse-less design (seamless transfer)
- Adjustable alarm relay outputs
- Modbus communication (RS232 / RS485)
- Return transfer delay and blocking adjustment
- Automatic startup and recovery after fault
- Smart fault diagnosis system
- Full system measurement (Volt, Current, Frequency, etc.)
- Visual and audible alarm system
- AC fault, over-temperature, and short-circuit protections
Options
- Analog measurement indicators (Volt, Ampere, Hz)
- Thyristor fault detection system
- Transducer support (4-20mA / 0-10V)
- Cabinet heating
- Fan fault monitoring
- Remote monitoring and control
Advantages
- Ultra-fast transfer time (<4ms / <5ms)
- Easy maintenance and service with hot-swap modular design
- Redundant power supply (up to 4 units)
- Long-life design (20 years target usage)
- Overload withstand up to 200% (optional 300%)
- Uninterrupted power transfer for critical loads
| 3 PHASE | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Model | STS350 | STS363 | STS3100 | STS3150 | STS3200 | STS300 | STS3400 | STS3600 | STS3800 |
| Current (Nominal) | 50A | 63A | 100A | 150A | 200A | 300A | 400A | 600A | 800A |
| Voltage | 200/227/380/400/415/440/460/600VAC (3F + N + PE) | ||||||||
| Voltage Range | ±15% (Transfer when out of range) | ||||||||
| Frequency | 50/60Hz | ||||||||
| Frequency Range | 45-65Hz (Transfer when out of range, adjustable) | ||||||||
| Efficiency | >99% | ||||||||
| Transfer Type | Break before make | ||||||||
| Transfer Options | Automatic / Manual / Remote | ||||||||
| Transfer Time | <4ms (synchronous) / ~10ms (non-synchronous) | ||||||||
| Switching Structure | 3-pole or 4-pole | ||||||||
| Crest Factor | 3:1 | ||||||||
| Overload | 100-110% continuous / 100-125% 10 min / 125-150% 1 min / 150-200% 10 sec / >200% 250ms | ||||||||
| Protection | Overload, short circuit, over-temperature, backfeed, SCR fault, out-of-sync protection | ||||||||
| Communication | RS232 (Standard), RS485 / TCP-IP / SNMP (Optional) | ||||||||
| ENVIRONMENT | |||||||||
| Cooling | Fan-cooled (dual redundant), natural (optional) | ||||||||
| Operating Temperature | 0°C – 50°C | ||||||||
| Storage | -10°C – 70°C | ||||||||
| Humidity | <90% | ||||||||
| Protection Class | IP20 – IP66 (optional) | ||||||||
| Standards | EN62310-1 / EN62310-2 / EN62310-3 | ||||||||
| MECHANICAL | |||||||||
| Weight | Determined by EPC | ||||||||
| Dimensions | 500×450×1000 / 600×600×1300 / 750×700×1600 / 1000×800×2100 mm | ||||||||
| 1 PHASE | |||||||||
| Model | STS1016 | STS1032 | STS1050 | STS1063 | STS1100 | STS1150 | |||
| Current | 16A | 32A | 50A | 63A | 100A | 150A | |||
| Voltage | 110/127/208/220/230/240/265VAC (1F + N + PE) | ||||||||
| Voltage Range | ±20% | ||||||||
| Frequency | 50/60Hz | ||||||||
| Frequency Range | 45-65Hz | ||||||||
| Efficiency | >99% | ||||||||
| Transfer Type | Break before make | ||||||||
| Transfer Options | Automatic / Manual / Remote | ||||||||
| Transfer Time | <4ms / ~10ms | ||||||||
| Switching | 1-pole or 2-pole | ||||||||
| Overload | 100-200% load tolerance | ||||||||
| Protection | Short circuit, over-temperature, SCR fault | ||||||||
No documents found for this product.