Static Transfer Switch 200-1600A, 480 Vac

Superior Reliability

• Redundant auxiliary power, control board, fan and optional output breaker prevent single points of failure
• Layered security and intelligent breaker interlock design prevents improper operation
• Dual generator capability and preferred source selection

Easy Management

• Load management includes selective load inhibition and load shedding input
• 10’’ color display with touchscreen graphical interface
• Analyzes power source and load data with pre-/post-event data capture. Supports 5000+ event log and waveform records for detailed analysis
• Features Modbus and inbuilt SNMP card for remote monitoring and control
• Provides email notifications for user-defined events
• Time-stamped history and event logs
• Intelligent breaker interlock design to avoid improper operation

Simple Maintenance

• IR scan window for easy thermal measurement
• Hot-swappable auxiliary power and control board for low MTTR
• Fully front access and compartmentalized electrical components ensure easy and safe access

1. Model
2. STS-200A, STS-400A,  STS-600A,  STS-800A, STS-1600A⁽¹⁾

3. ---

4. Number of Poles
   ⦁ STS-200/400/600A: 3 
   ⦁ STS-800A (480 Vac): 3
   ⦁ STS-800A (415 Vac): 4
   ⦁ STS-1600A: 3

5. ---

6. Input
7. Nominal Voltage:
   ⦁ STS-200/400/600A: 480 Vac, 3P3W+PE
   ⦁ STS-800A: 480 Vac 3P3W+PE, 415 Vac 3P4W+PE
   ⦁ STS-1600A: 480 Vac 3P3W+PE
8. Voltage Range: 432-528 Vac
9. Frequency Range: 60 ± 0.5 Hz (default)/ 50 ± 0.5 Hz
10. Source Voltage Distortion: Up to 10% THD

11. ---

12. Output
13. Nominal Voltage: 480 Vac
14. Frequency: 60 ± 0.5 Hz (default)/ 50 ± 0.5 Hz
15. Transfer Time: < 4 ms (synchronous sources). Meets ITIC curve.
16. Overload Capability: 101-125%: 30 mins, 126-150%: 2 mins, 151-500%: 0.25 secs
17. Short Circuit Withstand Current: 65 kA
18. Current Crest Ratio: 3.5:1

19. ---

20. Efficiency
21. Online Mode: > 99%

22. ---

23. Communication Interface
24. Display: 10-inch color LCD touchscreen
25. Port: USB port x1, RS-485 port x1, Ethernet port x1, Input dry contact x4, Output dry contact x4
26. Protocol: SNMP, Modbus TCP, HTTP, HTTPS

27. ---

28. Physical
29. Dimensions (W x D x H):
    ● STS-200A: 24 x 29.9 x 78.8 inch
    ● STS-400/600A: 37.99 x 32.08 x 78.74 inch
    ● STS-800A (480 Vac): 55.12 × 35.43 × 78.74 inch
    ● STS-800A (415 Vac): 47.83 x 35.63 x 81.89 inch
    ● STS-1600A: 82.68 x 33.66 x 85.24 inch
30. Net Weight:
    ● STS-200A: 804 Ibs
    ● STS-400A: 1168 Ibs
    ● STS-600A: 1500 Ibs
    ● STS-800A (480 Vac): 1985 Ibs
    ● STS-800A (415 Vac): 2205 Ibs
    ● STS-1600A: To be released

31. ---

32. Environment
33. Operating Temperature: 0 to 40°C
34. Humidity: 0-95% (non-condensing)
35. Altitude: 0-1200 m
36. Storage Temperature: -40 to 80°C
37. Ingress Protection Level: IP20

38. ---

39. Conformance
40. Safety: UL 1008S
41. Surge Protection: ANSI C62.41 Cat B3
42. Sustainability: RoHS, REACH

43. ---

44. (1) Upcoming product
45. All specifications are subject to change without prior notice.