• LS Electric LSETS Emergency Transfer Switch for LSTSP (0.5-50 kVA)
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LS Electric LSETS Emergency Transfer Switch for LSTSP (0.5-50 kVA)

LS Electric LSETS Emergency Transfer Switch for LSTSP (0.5-50 kVA)

LS Electric LSETS static emergency transfer switches that transfer the load to a second source within 2 ms, keeping sag protection during LSTSP maintenance or failure.

Key features

  • Semiconductor (SCR) transfer in under 2 ms without interruption
  • Coordinates with LSTSP voltage sag protectors in bypass, TSP and ETS modes
  • Single-phase 0.5 to 10 kVA and three-phase 5 to 50 kVA
  • 98% efficiency at linear load; air cooled, 45 dB max
  • Wall-mount or stand housing

Specifications

Transfer time < 2 ms
Frequency 50/60 Hz
Allowable THD 20%
Efficiency 98% (100% linear load)
Cooling Air cooled
Noise 45 dB max
Ambient 0-40 C, 10-90% RH non-condensing
Order code Same structure as matching LSTSP model
Source LS Electric Voltage Sag Protector catalog C16051-02 (2026-04), p. 7, 18-20
LSETS-11005W Capacity: 0.5 kVA | Phase: 1-phase 2W | Rated voltage: 110 V | Type: Wall mount
LSETS-18005W Capacity: 0.5 kVA | Phase: 1-phase 2W | Rated voltage: 208 V | Type: Wall mount
LSETS-12005W Capacity: 0.5 kVA | Phase: 1-phase 2W | Rated voltage: 220 V | Type: Wall mount
LSETS-11010S Capacity: 1 kVA | Phase: 1-phase 2W | Rated voltage: 110 V | Type: Stand
LSETS-11010W Capacity: 1 kVA | Phase: 1-phase 2W | Rated voltage: 110 V | Type: Wall mount
LSETS-18010S Capacity: 1 kVA | Phase: 1-phase 2W | Rated voltage: 208 V | Type: Stand
LSETS-18010W Capacity: 1 kVA | Phase: 1-phase 2W | Rated voltage: 208 V | Type: Wall mount
LSETS-12010S Capacity: 1 kVA | Phase: 1-phase 2W | Rated voltage: 220 V | Type: Stand
LSETS-12010W Capacity: 1 kVA | Phase: 1-phase 2W | Rated voltage: 220 V | Type: Wall mount
LSETS-11020S Capacity: 2 kVA | Phase: 1-phase 2W | Rated voltage: 110 V | Type: Stand
LSETS-11020W Capacity: 2 kVA | Phase: 1-phase 2W | Rated voltage: 110 V | Type: Wall mount
LSETS-18020S Capacity: 2 kVA | Phase: 1-phase 2W | Rated voltage: 208 V | Type: Stand
LSETS-18020W Capacity: 2 kVA | Phase: 1-phase 2W | Rated voltage: 208 V | Type: Wall mount
LSETS-12020S Capacity: 2 kVA | Phase: 1-phase 2W | Rated voltage: 220 V | Type: Stand
LSETS-12020W Capacity: 2 kVA | Phase: 1-phase 2W | Rated voltage: 220 V | Type: Wall mount
LSETS-11030S Capacity: 3 kVA | Phase: 1-phase 2W | Rated voltage: 110 V | Type: Stand
LSETS-11030W Capacity: 3 kVA | Phase: 1-phase 2W | Rated voltage: 110 V | Type: Wall mount
LSETS-18030S Capacity: 3 kVA | Phase: 1-phase 2W | Rated voltage: 208 V | Type: Stand
LSETS-18030W Capacity: 3 kVA | Phase: 1-phase 2W | Rated voltage: 208 V | Type: Wall mount
LSETS-12030S Capacity: 3 kVA | Phase: 1-phase 2W | Rated voltage: 220 V | Type: Stand
LSETS-12030W Capacity: 3 kVA | Phase: 1-phase 2W | Rated voltage: 220 V | Type: Wall mount
LSETS-11050S Capacity: 5 kVA | Phase: 1-phase 2W | Rated voltage: 110 V | Type: Stand
LSETS-18050S Capacity: 5 kVA | Phase: 1-phase 2W | Rated voltage: 208 V | Type: Stand
LSETS-12050S Capacity: 5 kVA | Phase: 1-phase 2W | Rated voltage: 220 V | Type: Stand
LSETS-11100S Capacity: 10 kVA | Phase: 1-phase 2W | Rated voltage: 110 V | Type: Stand
LSETS-18100S Capacity: 10 kVA | Phase: 1-phase 2W | Rated voltage: 208 V | Type: Stand
LSETS-12100S Capacity: 10 kVA | Phase: 1-phase 2W | Rated voltage: 220 V | Type: Stand
LSETS-338005 Capacity: 5 kVA | Phase: 3P 3W | Rated voltage: 208 V | Type: Stand
LSETS-332005 Capacity: 5 kVA | Phase: 3P 3W | Rated voltage: 220 V | Type: Stand
LSETS-333005 Capacity: 5 kVA | Phase: 3P 3W | Rated voltage: 380 V | Type: Stand
LSETS-334005 Capacity: 5 kVA | Phase: 3P 3W | Rated voltage: 440 V | Type: Stand
LSETS-348005 Capacity: 5 kVA | Phase: 3P 4W | Rated voltage: 208 V | Type: Stand
LSETS-342005 Capacity: 5 kVA | Phase: 3P 4W | Rated voltage: 220 V | Type: Stand
LSETS-343005 Capacity: 5 kVA | Phase: 3P 4W | Rated voltage: 380 V | Type: Stand
LSETS-344005 Capacity: 5 kVA | Phase: 3P 4W | Rated voltage: 440 V | Type: Stand
LSETS-338010 Capacity: 10 kVA | Phase: 3P 3W | Rated voltage: 208 V | Type: Stand
LSETS-332010 Capacity: 10 kVA | Phase: 3P 3W | Rated voltage: 220 V | Type: Stand
LSETS-333010 Capacity: 10 kVA | Phase: 3P 3W | Rated voltage: 380 V | Type: Stand
LSETS-334010 Capacity: 10 kVA | Phase: 3P 3W | Rated voltage: 440 V | Type: Stand
LSETS-348010 Capacity: 10 kVA | Phase: 3P 4W | Rated voltage: 208 V | Type: Stand
LSETS-342010 Capacity: 10 kVA | Phase: 3P 4W | Rated voltage: 220 V | Type: Stand
LSETS-343010 Capacity: 10 kVA | Phase: 3P 4W | Rated voltage: 380 V | Type: Stand
LSETS-344010 Capacity: 10 kVA | Phase: 3P 4W | Rated voltage: 440 V | Type: Stand
LSETS-338020 Capacity: 20 kVA | Phase: 3P 3W | Rated voltage: 208 V | Type: Stand
LSETS-332020 Capacity: 20 kVA | Phase: 3P 3W | Rated voltage: 220 V | Type: Stand
LSETS-333020 Capacity: 20 kVA | Phase: 3P 3W | Rated voltage: 380 V | Type: Stand
LSETS-334020 Capacity: 20 kVA | Phase: 3P 3W | Rated voltage: 440 V | Type: Stand
LSETS-348020 Capacity: 20 kVA | Phase: 3P 4W | Rated voltage: 208 V | Type: Stand
LSETS-342020 Capacity: 20 kVA | Phase: 3P 4W | Rated voltage: 220 V | Type: Stand
LSETS-343020 Capacity: 20 kVA | Phase: 3P 4W | Rated voltage: 380 V | Type: Stand
LSETS-344020 Capacity: 20 kVA | Phase: 3P 4W | Rated voltage: 440 V | Type: Stand
LSETS-338030 Capacity: 30 kVA | Phase: 3P 3W | Rated voltage: 208 V | Type: Stand
LSETS-332030 Capacity: 30 kVA | Phase: 3P 3W | Rated voltage: 220 V | Type: Stand
LSETS-333030 Capacity: 30 kVA | Phase: 3P 3W | Rated voltage: 380 V | Type: Stand
LSETS-334030 Capacity: 30 kVA | Phase: 3P 3W | Rated voltage: 440 V | Type: Stand
LSETS-348030 Capacity: 30 kVA | Phase: 3P 4W | Rated voltage: 208 V | Type: Stand
LSETS-342030 Capacity: 30 kVA | Phase: 3P 4W | Rated voltage: 220 V | Type: Stand
LSETS-343030 Capacity: 30 kVA | Phase: 3P 4W | Rated voltage: 380 V | Type: Stand
LSETS-344030 Capacity: 30 kVA | Phase: 3P 4W | Rated voltage: 440 V | Type: Stand
LSETS-338050 Capacity: 50 kVA | Phase: 3P 3W | Rated voltage: 208 V | Type: Stand
LSETS-332050 Capacity: 50 kVA | Phase: 3P 3W | Rated voltage: 220 V | Type: Stand
LSETS-333050 Capacity: 50 kVA | Phase: 3P 3W | Rated voltage: 380 V | Type: Stand
LSETS-334050 Capacity: 50 kVA | Phase: 3P 3W | Rated voltage: 440 V | Type: Stand
LSETS-348050 Capacity: 50 kVA | Phase: 3P 4W | Rated voltage: 208 V | Type: Stand
LSETS-342050 Capacity: 50 kVA | Phase: 3P 4W | Rated voltage: 220 V | Type: Stand
LSETS-343050 Capacity: 50 kVA | Phase: 3P 4W | Rated voltage: 380 V | Type: Stand
LSETS-344050 Capacity: 50 kVA | Phase: 3P 4W | Rated voltage: 440 V | Type: Stand
Transfer SwitchesLS Electric
67 product codes available in this family
Sourced direct from KoreaExport-ready supplyCompetitive pricing
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LS Electric LSETS Emergency Transfer Switch for LSTSP (0.5-50 kVA)

Brand LS Electric·Transfer Switches

Available part numbers (67)

LSETS-11005W, LSETS-18005W, LSETS-12005W, LSETS-11010S, LSETS-11010W, LSETS-18010S, LSETS-18010W, LSETS-12010S, LSETS-12010W, LSETS-11020S + 57 more — see full table ↓

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Product codes & specifications
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Product codeSpec
LSETS-11005WCapacity: 0.5 kVA | Phase: 1-phase 2W | Rated voltage: 110 V | Type: Wall mount
LSETS-18005WCapacity: 0.5 kVA | Phase: 1-phase 2W | Rated voltage: 208 V | Type: Wall mount
LSETS-12005WCapacity: 0.5 kVA | Phase: 1-phase 2W | Rated voltage: 220 V | Type: Wall mount
LSETS-11010SCapacity: 1 kVA | Phase: 1-phase 2W | Rated voltage: 110 V | Type: Stand
LSETS-11010WCapacity: 1 kVA | Phase: 1-phase 2W | Rated voltage: 110 V | Type: Wall mount
LSETS-18010SCapacity: 1 kVA | Phase: 1-phase 2W | Rated voltage: 208 V | Type: Stand
LSETS-18010WCapacity: 1 kVA | Phase: 1-phase 2W | Rated voltage: 208 V | Type: Wall mount
LSETS-12010SCapacity: 1 kVA | Phase: 1-phase 2W | Rated voltage: 220 V | Type: Stand
LSETS-12010WCapacity: 1 kVA | Phase: 1-phase 2W | Rated voltage: 220 V | Type: Wall mount
LSETS-11020SCapacity: 2 kVA | Phase: 1-phase 2W | Rated voltage: 110 V | Type: Stand
LSETS-11020WCapacity: 2 kVA | Phase: 1-phase 2W | Rated voltage: 110 V | Type: Wall mount
LSETS-18020SCapacity: 2 kVA | Phase: 1-phase 2W | Rated voltage: 208 V | Type: Stand
LSETS-18020WCapacity: 2 kVA | Phase: 1-phase 2W | Rated voltage: 208 V | Type: Wall mount
LSETS-12020SCapacity: 2 kVA | Phase: 1-phase 2W | Rated voltage: 220 V | Type: Stand
LSETS-12020WCapacity: 2 kVA | Phase: 1-phase 2W | Rated voltage: 220 V | Type: Wall mount
LSETS-11030SCapacity: 3 kVA | Phase: 1-phase 2W | Rated voltage: 110 V | Type: Stand
LSETS-11030WCapacity: 3 kVA | Phase: 1-phase 2W | Rated voltage: 110 V | Type: Wall mount
LSETS-18030SCapacity: 3 kVA | Phase: 1-phase 2W | Rated voltage: 208 V | Type: Stand
LSETS-18030WCapacity: 3 kVA | Phase: 1-phase 2W | Rated voltage: 208 V | Type: Wall mount
LSETS-12030SCapacity: 3 kVA | Phase: 1-phase 2W | Rated voltage: 220 V | Type: Stand
LSETS-12030WCapacity: 3 kVA | Phase: 1-phase 2W | Rated voltage: 220 V | Type: Wall mount
LSETS-11050SCapacity: 5 kVA | Phase: 1-phase 2W | Rated voltage: 110 V | Type: Stand
LSETS-18050SCapacity: 5 kVA | Phase: 1-phase 2W | Rated voltage: 208 V | Type: Stand
LSETS-12050SCapacity: 5 kVA | Phase: 1-phase 2W | Rated voltage: 220 V | Type: Stand
LSETS-11100SCapacity: 10 kVA | Phase: 1-phase 2W | Rated voltage: 110 V | Type: Stand
LSETS-18100SCapacity: 10 kVA | Phase: 1-phase 2W | Rated voltage: 208 V | Type: Stand
LSETS-12100SCapacity: 10 kVA | Phase: 1-phase 2W | Rated voltage: 220 V | Type: Stand
LSETS-338005Capacity: 5 kVA | Phase: 3P 3W | Rated voltage: 208 V | Type: Stand
LSETS-332005Capacity: 5 kVA | Phase: 3P 3W | Rated voltage: 220 V | Type: Stand
LSETS-333005Capacity: 5 kVA | Phase: 3P 3W | Rated voltage: 380 V | Type: Stand
LSETS-334005Capacity: 5 kVA | Phase: 3P 3W | Rated voltage: 440 V | Type: Stand
LSETS-348005Capacity: 5 kVA | Phase: 3P 4W | Rated voltage: 208 V | Type: Stand
LSETS-342005Capacity: 5 kVA | Phase: 3P 4W | Rated voltage: 220 V | Type: Stand
LSETS-343005Capacity: 5 kVA | Phase: 3P 4W | Rated voltage: 380 V | Type: Stand
LSETS-344005Capacity: 5 kVA | Phase: 3P 4W | Rated voltage: 440 V | Type: Stand
LSETS-338010Capacity: 10 kVA | Phase: 3P 3W | Rated voltage: 208 V | Type: Stand
LSETS-332010Capacity: 10 kVA | Phase: 3P 3W | Rated voltage: 220 V | Type: Stand
LSETS-333010Capacity: 10 kVA | Phase: 3P 3W | Rated voltage: 380 V | Type: Stand
LSETS-334010Capacity: 10 kVA | Phase: 3P 3W | Rated voltage: 440 V | Type: Stand
LSETS-348010Capacity: 10 kVA | Phase: 3P 4W | Rated voltage: 208 V | Type: Stand
LSETS-342010Capacity: 10 kVA | Phase: 3P 4W | Rated voltage: 220 V | Type: Stand
LSETS-343010Capacity: 10 kVA | Phase: 3P 4W | Rated voltage: 380 V | Type: Stand
LSETS-344010Capacity: 10 kVA | Phase: 3P 4W | Rated voltage: 440 V | Type: Stand
LSETS-338020Capacity: 20 kVA | Phase: 3P 3W | Rated voltage: 208 V | Type: Stand
LSETS-332020Capacity: 20 kVA | Phase: 3P 3W | Rated voltage: 220 V | Type: Stand
LSETS-333020Capacity: 20 kVA | Phase: 3P 3W | Rated voltage: 380 V | Type: Stand
LSETS-334020Capacity: 20 kVA | Phase: 3P 3W | Rated voltage: 440 V | Type: Stand
LSETS-348020Capacity: 20 kVA | Phase: 3P 4W | Rated voltage: 208 V | Type: Stand
LSETS-342020Capacity: 20 kVA | Phase: 3P 4W | Rated voltage: 220 V | Type: Stand
LSETS-343020Capacity: 20 kVA | Phase: 3P 4W | Rated voltage: 380 V | Type: Stand
LSETS-344020Capacity: 20 kVA | Phase: 3P 4W | Rated voltage: 440 V | Type: Stand
LSETS-338030Capacity: 30 kVA | Phase: 3P 3W | Rated voltage: 208 V | Type: Stand
LSETS-332030Capacity: 30 kVA | Phase: 3P 3W | Rated voltage: 220 V | Type: Stand
LSETS-333030Capacity: 30 kVA | Phase: 3P 3W | Rated voltage: 380 V | Type: Stand
LSETS-334030Capacity: 30 kVA | Phase: 3P 3W | Rated voltage: 440 V | Type: Stand
LSETS-348030Capacity: 30 kVA | Phase: 3P 4W | Rated voltage: 208 V | Type: Stand
LSETS-342030Capacity: 30 kVA | Phase: 3P 4W | Rated voltage: 220 V | Type: Stand
LSETS-343030Capacity: 30 kVA | Phase: 3P 4W | Rated voltage: 380 V | Type: Stand
LSETS-344030Capacity: 30 kVA | Phase: 3P 4W | Rated voltage: 440 V | Type: Stand
LSETS-338050Capacity: 50 kVA | Phase: 3P 3W | Rated voltage: 208 V | Type: Stand
LSETS-332050Capacity: 50 kVA | Phase: 3P 3W | Rated voltage: 220 V | Type: Stand
LSETS-333050Capacity: 50 kVA | Phase: 3P 3W | Rated voltage: 380 V | Type: Stand
LSETS-334050Capacity: 50 kVA | Phase: 3P 3W | Rated voltage: 440 V | Type: Stand
LSETS-348050Capacity: 50 kVA | Phase: 3P 4W | Rated voltage: 208 V | Type: Stand
LSETS-342050Capacity: 50 kVA | Phase: 3P 4W | Rated voltage: 220 V | Type: Stand
LSETS-343050Capacity: 50 kVA | Phase: 3P 4W | Rated voltage: 380 V | Type: Stand
LSETS-344050Capacity: 50 kVA | Phase: 3P 4W | Rated voltage: 440 V | Type: Stand

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