The Model A1 iSTS is superior in performance and ruggedness to relay or hybrid type transfer switches. It is a true solid-state Static Transfer Switch – STS – that allows safe and seamless switching of a critical load between two power supplies.
Description
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Features
Advanced Automatic Transfer Switch – ATS – functionality
Small 1RU design
1-phase, 2-pole
Built-in transient voltage protection
UPS Eco-Mode compatible
RCD site compatibility
Safe asynchronous source transfers
Very high MTBF (>1,000,000 hours)
Back feed protection contactors
Manual and automatic transfers selection
Various input/output configuration
Preferred source selection
Visual and sound alarms
Bi-colour LED mimic and load indicator
Voltage free general alarm contact
Options
Incoming source isolator switches
Ethernet module for LAN/TCP, Modbus & SNMP
Wall mount bracket
Specifications
Power
1-Phase/2-Pole
Up to 32A
115V or 230V, ±15%
Safe install environment: 20kA for 1 cycle, internally fused
50Hz and 60Hz, ±10% – Auto detection
Max THDV: 10% – Max allowable source voltage distortion
Power factor: No practical limit
Crest factor: 3 : 1
Loading: 0 – 100% @40°C ambient
Overload capacity @40°C ambient: 40A for 30s, 63A for 1s, 115A for 0.1s