Static Transfer Switch (STS), 800-1800 A
Introduction
Benefits & Features
Technical Specifications
DownloadsTechnical Specifications
Model
STS-800A, STS-1250A, STS-1800A
Number of Poles
4
Input
Nominal Voltage
380/400/415 Vac, 3P4W+PE
Voltage Range
342-456 Vac
Frequency Range
60 ± 0.5 Hz (default)/ 50 ± 0.5 Hz
Source Voltage Distortion
Up to 10% THD
Output
Nominal Voltage
380/400/415 Vac
Frequency
50 ± 0.5 Hz (default)/ 60 ± 0.5 Hz
Transfer Time
< 4 ms (synchronous sources). Meet ITIC curve.
Overload Capability
101-125%: 30 min, 126-150%: 2 min, 151-500%: 0.25 sec
Short Circuit Withstand Current
65 kA
Current Crest Ratio
3.5:1
Efficiency
Online Mode
> 99%
Communication Interface
Display
10-inch color LCD touchscreen
Port
USB type A x1, USB type B x2, RS-232 x2, Ethernet Port x1, Input dry contact x4, Output dry contact x6
Protocol
SNMP, Modbus TCP, HTTP, HTTPS
Physical
Dimensions (W x D x H)
⦁ STS-800A
1212 x 905 x 2200 mm
⦁ STS-1250A
2105x 911x 2188 mm
⦁ STS-1800A
2100 x 855 x 2165 mm
Net Weight
⦁ STS-800A
1010 kg
⦁ STS-1250A
2220 kg
⦁ STS-1800A
2014 kg
Environment
Operating Temperature
0 to 40°C
Humidity
0-95% (non-condensing)
Altitude
0-1200 m
Storage Temperature
-40 to 80°C
Ingress Protection Level
⦁ STS-800/1250A
IP31
⦁ STS-1800A
IP20
Conformance
Safety
CE, IEC 62310-1
Surge Protection
ANSI C62.41 Cat B3
Sustainability
RoHS, REACH
Vibration
ISTA-3B
All specifications are subject to change without prior notice.
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