• Siemens SENTRON 3KC3/3KC4 Remote Transfer Switching Equipment (RTSE)
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Siemens SENTRON 3KC3/3KC4 Remote Transfer Switching Equipment (RTSE)

Siemens SENTRON 3KC3/3KC4 Remote Transfer Switching Equipment (RTSE)

Siemens SENTRON 3KC3 and 3KC4 remote transfer switching equipment (RTSE) with motorized operating mechanism and additional handle, 40 to 3200 A.

Key features

  • 3KC3: 40 … 160 A, 4-pole, box terminals, floor and DIN-rail mounting
  • 3KC4: 250 … 3200 A, 3- or 4-pole, flat terminals, floor mounting
  • Motorized operating mechanism on the right plus manual handle
  • 3KC3 includes 3KC9603 auxiliary switches
  • Bridging bars additionally required for the connection side

Specifications

Brand Siemens SENTRON
Series 3KC3 / 3KC4 RTSE
Catalog chapter 9 Transfer Switching Equipment
Product group Transfer switching equipment
Standard IEC 60947-6-1
Version Motorized op. mechanism + handle
Operating mechanism On the right
Note Bridging bars required, conn. side
Source Siemens Catalog LV 10 · 2026, p. 782-782
3KC3424-2AA22-0AA3 Rated current Iu: 40 A | Type: 3KC3, box terminal | Poles: 4-pole
3KC3426-2AA22-0AA3 Rated current Iu: 63 A | Type: 3KC3, box terminal | Poles: 4-pole
3KC3428-2AA22-0AA3 Rated current Iu: 80 A | Type: 3KC3, box terminal | Poles: 4-pole
3KC3430-2AA22-0AA3 Rated current Iu: 100 A | Type: 3KC3, box terminal | Poles: 4-pole
3KC3432-2AA22-0AA3 Rated current Iu: 125 A | Type: 3KC3, box terminal | Poles: 4-pole
3KC3434-2AA22-0AA3 Rated current Iu: 160 A | Type: 3KC3, box terminal | Poles: 4-pole
3KC4338-0CA21-0AA3 Rated current Iu: 250 A | Type: 3KC4, flat terminal | Poles: 3-pole
3KC4438-0CA21-0AA3 Rated current Iu: 250 A | Type: 3KC4, flat terminal | Poles: 4-pole
3KC4342-0DA21-0AA3 Rated current Iu: 400 A | Type: 3KC4, flat terminal | Poles: 3-pole
3KC4442-0DA21-0AA3 Rated current Iu: 400 A | Type: 3KC4, flat terminal | Poles: 4-pole
3KC4346-0EA21-0AA3 Rated current Iu: 630 A | Type: 3KC4, flat terminal | Poles: 3-pole
3KC4446-0EA21-0AA3 Rated current Iu: 630 A | Type: 3KC4, flat terminal | Poles: 4-pole
3KC4348-0FA21-0AA3 Rated current Iu: 800 A | Type: 3KC4, flat terminal | Poles: 3-pole
3KC4448-0FA21-0AA3 Rated current Iu: 800 A | Type: 3KC4, flat terminal | Poles: 4-pole
3KC4350-0FA21-0AA3 Rated current Iu: 1000 A | Type: 3KC4, flat terminal | Poles: 3-pole
3KC4450-0FA21-0AA3 Rated current Iu: 1000 A | Type: 3KC4, flat terminal | Poles: 4-pole
3KC4352-0GA21-0AA3 Rated current Iu: 1250 A | Type: 3KC4, flat terminal | Poles: 3-pole
3KC4452-0GA21-0AA3 Rated current Iu: 1250 A | Type: 3KC4, flat terminal | Poles: 4-pole
3KC4354-0HA21-0AA3 Rated current Iu: 1600 A | Type: 3KC4, flat terminal | Poles: 3-pole
3KC4454-0HA21-0AA3 Rated current Iu: 1600 A | Type: 3KC4, flat terminal | Poles: 4-pole
3KC4356-0JA21-0AA3 Rated current Iu: 2000 A | Type: 3KC4, flat terminal | Poles: 3-pole
3KC4456-0JA21-0AA3 Rated current Iu: 2000 A | Type: 3KC4, flat terminal | Poles: 4-pole
3KC4358-0JA21-0AA3 Rated current Iu: 2500 A | Type: 3KC4, flat terminal | Poles: 3-pole
3KC4458-0JA21-0AA3 Rated current Iu: 2500 A | Type: 3KC4, flat terminal | Poles: 4-pole
3KC4360-0JA21-0AA3 Rated current Iu: 3200 A | Type: 3KC4, flat terminal | Poles: 3-pole
3KC4460-0JA21-0AA3 Rated current Iu: 3200 A | Type: 3KC4, flat terminal | Poles: 4-pole
Switch DisconnectorsSiemens
26 product codes available in this family
Sourced direct from KoreaExport-ready supplyCompetitive pricing
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Siemens SENTRON 3KC3/3KC4 Remote Transfer Switching Equipment (RTSE)

Brand Siemens·Switch Disconnectors

Available part numbers (26)

3KC3424-2AA22-0AA3, 3KC3426-2AA22-0AA3, 3KC3428-2AA22-0AA3, 3KC3430-2AA22-0AA3, 3KC3432-2AA22-0AA3, 3KC3434-2AA22-0AA3, 3KC4338-0CA21-0AA3, 3KC4438-0CA21-0AA3, 3KC4342-0DA21-0AA3, 3KC4442-0DA21-0AA3 + 16 more — see full table ↓

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Product codes & specifications
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Product codeSpec
3KC3424-2AA22-0AA3Rated current Iu: 40 A | Type: 3KC3, box terminal | Poles: 4-pole
3KC3426-2AA22-0AA3Rated current Iu: 63 A | Type: 3KC3, box terminal | Poles: 4-pole
3KC3428-2AA22-0AA3Rated current Iu: 80 A | Type: 3KC3, box terminal | Poles: 4-pole
3KC3430-2AA22-0AA3Rated current Iu: 100 A | Type: 3KC3, box terminal | Poles: 4-pole
3KC3432-2AA22-0AA3Rated current Iu: 125 A | Type: 3KC3, box terminal | Poles: 4-pole
3KC3434-2AA22-0AA3Rated current Iu: 160 A | Type: 3KC3, box terminal | Poles: 4-pole
3KC4338-0CA21-0AA3Rated current Iu: 250 A | Type: 3KC4, flat terminal | Poles: 3-pole
3KC4438-0CA21-0AA3Rated current Iu: 250 A | Type: 3KC4, flat terminal | Poles: 4-pole
3KC4342-0DA21-0AA3Rated current Iu: 400 A | Type: 3KC4, flat terminal | Poles: 3-pole
3KC4442-0DA21-0AA3Rated current Iu: 400 A | Type: 3KC4, flat terminal | Poles: 4-pole
3KC4346-0EA21-0AA3Rated current Iu: 630 A | Type: 3KC4, flat terminal | Poles: 3-pole
3KC4446-0EA21-0AA3Rated current Iu: 630 A | Type: 3KC4, flat terminal | Poles: 4-pole
3KC4348-0FA21-0AA3Rated current Iu: 800 A | Type: 3KC4, flat terminal | Poles: 3-pole
3KC4448-0FA21-0AA3Rated current Iu: 800 A | Type: 3KC4, flat terminal | Poles: 4-pole
3KC4350-0FA21-0AA3Rated current Iu: 1000 A | Type: 3KC4, flat terminal | Poles: 3-pole
3KC4450-0FA21-0AA3Rated current Iu: 1000 A | Type: 3KC4, flat terminal | Poles: 4-pole
3KC4352-0GA21-0AA3Rated current Iu: 1250 A | Type: 3KC4, flat terminal | Poles: 3-pole
3KC4452-0GA21-0AA3Rated current Iu: 1250 A | Type: 3KC4, flat terminal | Poles: 4-pole
3KC4354-0HA21-0AA3Rated current Iu: 1600 A | Type: 3KC4, flat terminal | Poles: 3-pole
3KC4454-0HA21-0AA3Rated current Iu: 1600 A | Type: 3KC4, flat terminal | Poles: 4-pole
3KC4356-0JA21-0AA3Rated current Iu: 2000 A | Type: 3KC4, flat terminal | Poles: 3-pole
3KC4456-0JA21-0AA3Rated current Iu: 2000 A | Type: 3KC4, flat terminal | Poles: 4-pole
3KC4358-0JA21-0AA3Rated current Iu: 2500 A | Type: 3KC4, flat terminal | Poles: 3-pole
3KC4458-0JA21-0AA3Rated current Iu: 2500 A | Type: 3KC4, flat terminal | Poles: 4-pole
3KC4360-0JA21-0AA3Rated current Iu: 3200 A | Type: 3KC4, flat terminal | Poles: 3-pole
3KC4460-0JA21-0AA3Rated current Iu: 3200 A | Type: 3KC4, flat terminal | Poles: 4-pole

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