• Siemens SENTRON 5ST3..-HG Busbars acc. to UL 489 / UL 508
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Siemens SENTRON 5ST3..-HG Busbars acc. to UL 489 / UL 508

Siemens SENTRON 5ST3..-HG Busbars acc. to UL 489 / UL 508

SENTRON 5ST3..-HG pin busbars according to UL 508 and UL 489 for miniature circuit breakers and fuse holders in North American applications, including versions specially for 5SJ4...-.HG MCBs.

Key features

  • 5ST37 busbars acc. to UL 508, can be cut, 18 mm2 and 25 mm2
  • Versions for MCBs or 10 x 38 mm/class CC and 14 x 51 mm fuse holders
  • 5ST366. fixed-length busbars acc. to UL 489 specially for 5SJ4...-.HG MCBs
  • Versions for MCBs equipped with auxiliary switch or fault signal contact
  • 1-, 2- and 3-phase versions

Specifications

Brand Siemens
Product line SENTRON
Pin spacing 1 MW = 18 mm
For MCBs, 5SJ4...-.HG, fuse holders
Note Unassigned pins of fixed busbars: cover with 5ST3666-1HG
Source Siemens Catalog LV 10 · 2026, p. 344-348
5ST3701-0HG Phases: 1-phase | Application: MCBs 1P or fuse holders 10x38/class CC | No. of MW: 56 MW | Length: 1000 mm | Cross-section: 18 mm2 | Standard / design: UL 508, can be cut
5ST3701-2HG Phases: 1-phase | Application: MCBs 1P or fuse holders 14x51 mm | No. of MW: 56 MW | Length: 1000 mm | Cross-section: 25 mm2 | Standard / design: UL 508, can be cut
5ST3705-0HG Phases: 2-phase | Application: MCBs 2P or fuse holders 10x38/class CC | No. of MW: 56 MW | Length: 1000 mm | Cross-section: 18 mm2 | Standard / design: UL 508, can be cut
5ST3705-2HG Phases: 2-phase | Application: MCBs 2P or fuse holders 14x51 mm | No. of MW: 56 MW | Length: 1000 mm | Cross-section: 25 mm2 | Standard / design: UL 508, can be cut
5ST3710-0HG Phases: 3-phase | Application: MCBs 3P or fuse holders 10x38/class CC | No. of MW: 56 MW | Length: 1000 mm | Cross-section: 18 mm2 | Standard / design: UL 508, can be cut
5ST3710-2HG Phases: 3-phase | Application: MCBs 3P or fuse holders 14x51 mm | No. of MW: 56 MW | Length: 1000 mm | Cross-section: 25 mm2 | Standard / design: UL 508, can be cut
5ST3703-0HG Phases: 1-phase | Application: MCBs 1P with AS/FC | No. of MW: 56 MW | Length: 1000 mm | Cross-section: 18 mm2 | Standard / design: UL 508, can be cut
5ST3707-0HG Phases: 2-phase | Application: MCBs 2P with AS/FC | No. of MW: 56 MW | Length: 1000 mm | Cross-section: 18 mm2 | Standard / design: UL 508, can be cut
5ST3712-0HG Phases: 3-phase | Application: MCBs 3P with AS/FC | No. of MW: 56 MW | Length: 1000 mm | Cross-section: 18 mm2 | Standard / design: UL 508, can be cut
5ST3714-0HG Phases: 3-phase | Application: MCBs 1P with AS/FC | No. of MW: 56 MW | Length: 1000 mm | Cross-section: 18 mm2 | Standard / design: UL 508, can be cut
5ST3663-0HG Phases: 1-phase | Application: 6 MCBs 1P | No. of MW: 6 MW | Length: 100 mm | Cross-section: 16 mm2 | Standard / design: UL 489, fixed length (5SJ4 HG)
5ST3663-1HG Phases: 1-phase | Application: 12 MCBs 1P | No. of MW: 12 MW | Length: 205 mm | Cross-section: 16 mm2 | Standard / design: UL 489, fixed length (5SJ4 HG)
5ST3663-2HG Phases: 1-phase | Application: 18 MCBs 1P | No. of MW: 18 MW | Length: 310 mm | Cross-section: 16 mm2 | Standard / design: UL 489, fixed length (5SJ4 HG)
5ST3664-0HG Phases: 2-phase | Application: 3 MCBs 2P | No. of MW: 6 MW | Length: 100 mm | Cross-section: 16 mm2 | Standard / design: UL 489, fixed length (5SJ4 HG)
5ST3664-1HG Phases: 2-phase | Application: 6 MCBs 2P | No. of MW: 12 MW | Length: 205 mm | Cross-section: 16 mm2 | Standard / design: UL 489, fixed length (5SJ4 HG)
5ST3664-2HG Phases: 2-phase | Application: 9 MCBs 2P | No. of MW: 18 MW | Length: 310 mm | Cross-section: 16 mm2 | Standard / design: UL 489, fixed length (5SJ4 HG)
5ST3665-0HG Phases: 3-phase | Application: 2 MCBs 3P | No. of MW: 6 MW | Length: 100 mm | Cross-section: 16 mm2 | Standard / design: UL 489, fixed length (5SJ4 HG)
5ST3665-1HG Phases: 3-phase | Application: 4 MCBs 3P | No. of MW: 12 MW | Length: 205 mm | Cross-section: 16 mm2 | Standard / design: UL 489, fixed length (5SJ4 HG)
5ST3665-2HG Phases: 3-phase | Application: 6 MCBs 3P | No. of MW: 18 MW | Length: 310 mm | Cross-section: 16 mm2 | Standard / design: UL 489, fixed length (5SJ4 HG)
5ST3701-3HG Phases: 1-phase | Application: MCBs 1P | No. of MW: 56 MW | Length: 1016 mm | Cross-section: 18 mm2 | Standard / design: UL 508, can be cut (5SJ4 HG)
5ST3705-3HG Phases: 2-phase | Application: MCBs 2P | No. of MW: 56 MW | Length: 1016 mm | Cross-section: 18 mm2 | Standard / design: UL 508, can be cut (5SJ4 HG)
5ST3710-3HG Phases: 3-phase | Application: MCBs 3P | No. of MW: 56 MW | Length: 1016 mm | Cross-section: 18 mm2 | Standard / design: UL 508, can be cut (5SJ4 HG)
5ST3703-3HG Phases: 1-phase | Application: MCBs 1P with AS/FC | No. of MW: 56 MW | Length: 1016 mm | Cross-section: 18 mm2 | Standard / design: UL 508, can be cut (5SJ4 HG)
5ST3707-3HG Phases: 2-phase | Application: MCBs 2P with AS/FC | No. of MW: 56 MW | Length: 1016 mm | Cross-section: 18 mm2 | Standard / design: UL 508, can be cut (5SJ4 HG)
5ST3712-3HG Phases: 3-phase | Application: MCBs 3P with AS/FC | No. of MW: 56 MW | Length: 1016 mm | Cross-section: 18 mm2 | Standard / design: UL 508, can be cut (5SJ4 HG)
5ST3714-3HG Phases: 3-phase | Application: MCBs 1P with AS/FC | No. of MW: 56 MW | Length: 1016 mm | Cross-section: 18 mm2 | Standard / design: UL 508, can be cut (5SJ4 HG)
Busbar SystemsSiemens
26 product codes available in this family
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Siemens SENTRON 5ST3..-HG Busbars acc. to UL 489 / UL 508

Brand Siemens·Busbar Systems

Available part numbers (26)

5ST3701-0HG, 5ST3701-2HG, 5ST3705-0HG, 5ST3705-2HG, 5ST3710-0HG, 5ST3710-2HG, 5ST3703-0HG, 5ST3707-0HG, 5ST3712-0HG, 5ST3714-0HG + 16 more — see full table ↓

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Product codes & specifications
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Product codeSpec
5ST3701-0HGPhases: 1-phase | Application: MCBs 1P or fuse holders 10x38/class CC | No. of MW: 56 MW | Length: 1000 mm | Cross-section: 18 mm2 | Standard / design: UL 508, can be cut
5ST3701-2HGPhases: 1-phase | Application: MCBs 1P or fuse holders 14x51 mm | No. of MW: 56 MW | Length: 1000 mm | Cross-section: 25 mm2 | Standard / design: UL 508, can be cut
5ST3705-0HGPhases: 2-phase | Application: MCBs 2P or fuse holders 10x38/class CC | No. of MW: 56 MW | Length: 1000 mm | Cross-section: 18 mm2 | Standard / design: UL 508, can be cut
5ST3705-2HGPhases: 2-phase | Application: MCBs 2P or fuse holders 14x51 mm | No. of MW: 56 MW | Length: 1000 mm | Cross-section: 25 mm2 | Standard / design: UL 508, can be cut
5ST3710-0HGPhases: 3-phase | Application: MCBs 3P or fuse holders 10x38/class CC | No. of MW: 56 MW | Length: 1000 mm | Cross-section: 18 mm2 | Standard / design: UL 508, can be cut
5ST3710-2HGPhases: 3-phase | Application: MCBs 3P or fuse holders 14x51 mm | No. of MW: 56 MW | Length: 1000 mm | Cross-section: 25 mm2 | Standard / design: UL 508, can be cut
5ST3703-0HGPhases: 1-phase | Application: MCBs 1P with AS/FC | No. of MW: 56 MW | Length: 1000 mm | Cross-section: 18 mm2 | Standard / design: UL 508, can be cut
5ST3707-0HGPhases: 2-phase | Application: MCBs 2P with AS/FC | No. of MW: 56 MW | Length: 1000 mm | Cross-section: 18 mm2 | Standard / design: UL 508, can be cut
5ST3712-0HGPhases: 3-phase | Application: MCBs 3P with AS/FC | No. of MW: 56 MW | Length: 1000 mm | Cross-section: 18 mm2 | Standard / design: UL 508, can be cut
5ST3714-0HGPhases: 3-phase | Application: MCBs 1P with AS/FC | No. of MW: 56 MW | Length: 1000 mm | Cross-section: 18 mm2 | Standard / design: UL 508, can be cut
5ST3663-0HGPhases: 1-phase | Application: 6 MCBs 1P | No. of MW: 6 MW | Length: 100 mm | Cross-section: 16 mm2 | Standard / design: UL 489, fixed length (5SJ4 HG)
5ST3663-1HGPhases: 1-phase | Application: 12 MCBs 1P | No. of MW: 12 MW | Length: 205 mm | Cross-section: 16 mm2 | Standard / design: UL 489, fixed length (5SJ4 HG)
5ST3663-2HGPhases: 1-phase | Application: 18 MCBs 1P | No. of MW: 18 MW | Length: 310 mm | Cross-section: 16 mm2 | Standard / design: UL 489, fixed length (5SJ4 HG)
5ST3664-0HGPhases: 2-phase | Application: 3 MCBs 2P | No. of MW: 6 MW | Length: 100 mm | Cross-section: 16 mm2 | Standard / design: UL 489, fixed length (5SJ4 HG)
5ST3664-1HGPhases: 2-phase | Application: 6 MCBs 2P | No. of MW: 12 MW | Length: 205 mm | Cross-section: 16 mm2 | Standard / design: UL 489, fixed length (5SJ4 HG)
5ST3664-2HGPhases: 2-phase | Application: 9 MCBs 2P | No. of MW: 18 MW | Length: 310 mm | Cross-section: 16 mm2 | Standard / design: UL 489, fixed length (5SJ4 HG)
5ST3665-0HGPhases: 3-phase | Application: 2 MCBs 3P | No. of MW: 6 MW | Length: 100 mm | Cross-section: 16 mm2 | Standard / design: UL 489, fixed length (5SJ4 HG)
5ST3665-1HGPhases: 3-phase | Application: 4 MCBs 3P | No. of MW: 12 MW | Length: 205 mm | Cross-section: 16 mm2 | Standard / design: UL 489, fixed length (5SJ4 HG)
5ST3665-2HGPhases: 3-phase | Application: 6 MCBs 3P | No. of MW: 18 MW | Length: 310 mm | Cross-section: 16 mm2 | Standard / design: UL 489, fixed length (5SJ4 HG)
5ST3701-3HGPhases: 1-phase | Application: MCBs 1P | No. of MW: 56 MW | Length: 1016 mm | Cross-section: 18 mm2 | Standard / design: UL 508, can be cut (5SJ4 HG)
5ST3705-3HGPhases: 2-phase | Application: MCBs 2P | No. of MW: 56 MW | Length: 1016 mm | Cross-section: 18 mm2 | Standard / design: UL 508, can be cut (5SJ4 HG)
5ST3710-3HGPhases: 3-phase | Application: MCBs 3P | No. of MW: 56 MW | Length: 1016 mm | Cross-section: 18 mm2 | Standard / design: UL 508, can be cut (5SJ4 HG)
5ST3703-3HGPhases: 1-phase | Application: MCBs 1P with AS/FC | No. of MW: 56 MW | Length: 1016 mm | Cross-section: 18 mm2 | Standard / design: UL 508, can be cut (5SJ4 HG)
5ST3707-3HGPhases: 2-phase | Application: MCBs 2P with AS/FC | No. of MW: 56 MW | Length: 1016 mm | Cross-section: 18 mm2 | Standard / design: UL 508, can be cut (5SJ4 HG)
5ST3712-3HGPhases: 3-phase | Application: MCBs 3P with AS/FC | No. of MW: 56 MW | Length: 1016 mm | Cross-section: 18 mm2 | Standard / design: UL 508, can be cut (5SJ4 HG)
5ST3714-3HGPhases: 3-phase | Application: MCBs 1P with AS/FC | No. of MW: 56 MW | Length: 1016 mm | Cross-section: 18 mm2 | Standard / design: UL 508, can be cut (5SJ4 HG)

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