PC class XSTNA Series Automatic Transfer Switch | Shihlin Electric
Explore Shihlin Electric products for low-voltage protection and automation—circuit breakers, magnetic switches/contactors, power distribution, inverters, AC drives, servo, HMI and PLC.
Automatic Transfer Switch
PC class XSTNA Series
Breaking Capacity
XSTNA Series ATS
XSTNA series PC-class automatic transfer switch equipment is designed for emergency power supply systems with AC 50Hz / 60Hz, rated voltage of 400V, and operating current from 16A to 250A. It automatically transfers the load to the standby source when the normal source becomes abnormal to maintain stable power continuity.
Product Overview
The XSTNA series is suitable for emergency and standby power systems in hospitals, buildings, shopping malls, chemical plants, metallurgy facilities, and fire protection applications. It provides compact structure, reliable transfer operation, and controller-based functional flexibility.
Key Benefits
- Automatic transfer when the normal source becomes abnormal.
- Compact integrated structure for panel installation.
- Available in B and D controller versions.
- Suitable for critical standby power applications.
- Supports mains-mains and mains-generator modes.
Application Scope
- Hospitals
- Shopping malls
- Chemical plants
- Metallurgy facilities
- Buildings and fire protection systems
Technical Specifications
Main electrical specifications for XSTNA-125H and XSTNA-250H.
| Item | XSTNA-125H | XSTNA-250H |
|---|---|---|
| Frame Size | 125 | 250 |
| Insulation Voltage, Ui | AC800V | AC1000V |
| Rated Impulse Withstand Voltage, Uimp | 8kV | 12kV |
| Rated Voltage, Ue | AC400V 50Hz | AC400V 50Hz |
| Rated Current, In | 16A, 20A, 25A, 32A, 40A, 50A, 63A, 80A, 100A, 125A | 125A, 160A, 200A, 225A, 250A |
| Pole | 3P / 4P | 3P / 4P |
| Contact Transfer Time | 0.58 ±20% | 0.56 ±20% |
| Transfer Time | 1.4 ±20% | 1.3 ±20% |
| Controller Type | B / D | B / D |
| Rated Short-Circuit Making Capacity, Icm | 17kA peak | — |
| Rated Limited Short-Circuit Current, Iq | 120kA | — |
Controller Functions
Functional comparison between B and D controller types.
| Item | B | D |
|---|---|---|
| Rated Working Voltage | AC230V / 400V 50Hz / 60Hz | AC230V / 400V 50Hz / 60Hz |
| Aux. Power Voltage | No | DC24V |
| Power Consumption | ≤10W | ≤10W |
| Operating Mode | Manual, Auto | Manual, Auto, Remote |
| Display Mode | LED Indicator | LED Indicator / LCD Display |
| Transfer Mode | Auto Transfer Auto Recovery | Auto Transfer Auto Recovery / Auto Transfer Without Auto Recovery |
| Under / Over Voltage | No | Adjustable |
| Over / Under Frequency | No | 40Hz~60Hz Adjustable |
| Generator Control | No | Yes |
| RS485 Communication | No | Yes |
| Installation Mode | Integrated | Integrated / Separated with display optional |
- Certification
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CE -
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- Related Products
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Automatic Transfer Switch Controller
PC class- controller
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Details
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PC class XSTNA Series Automatic Transfer Switch | Shihlin Electric
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