Control Gear Accessories
Find contacts, busbars, connection parts, expansion modules, enclosure fittings, filters and controls. Main product pages show their matching options together.

Product specification
5ST3010
SENTRON auxiliary switch, 1 NO + 1 NC, for compatible 5SL, 5SY and 5SP miniature circuit breakers.
Dimensions & specifications
Accessories are matched to individual parts. A shared manufacturer or frame size alone does not establish compatibility.
Accessories & related parts
Part numbers & documents
- 5ST3010 SENTRON auxiliary switch, 1 NO + 1 NC, for compatible 5SL, 5SY and 5SP miniature circuit breakers.
- 5ST3011 SENTRON auxiliary switch, 2 NO, for compatible 5SL, 5SY and 5SP miniature circuit breakers.
- 5ST3012 SENTRON auxiliary switch, 2 NC, for compatible 5SY4 miniature circuit breakers.
- 5ST3020 SENTRON fault signal contact, 1 NO + 1 NC, for compatible 5SY4 miniature circuit breakers.
- 5ST3021 SENTRON fault signal contact, 2 NO, for compatible 5SY4 miniature circuit breakers.
- 5ST3022 SENTRON fault signal contact, 2 NC, for compatible 5SY4 miniature circuit breakers.
- 5ST3701 SENTRON 5ST pin busbar, 1-phase, 16 mm², 1016 mm, cuttable, for 1-pole MCBs without side accessory gaps.
- 5ST3703 SENTRON 5ST pin busbar, 1-phase, 16 mm², 1016 mm, cuttable, for 1-pole MCBs with one 9 mm auxiliary/fault module per breaker.
- 5ST3705 SENTRON 5ST pin busbar, 2-phase, 16 mm², 1016 mm, cuttable, for 2-pole MCBs without side accessory gaps.
- 5ST3707 SENTRON 5ST pin busbar, 2-phase, 16 mm², 1016 mm, cuttable, for 2-pole MCBs with one 9 mm auxiliary/fault module per breaker.
- 5ST3710 SENTRON 5ST pin busbar, 3-phase, 16 mm², 1016 mm, cuttable, for 3-pole MCBs without side accessory gaps.
- 5ST3712 SENTRON 5ST pin busbar, 3-phase, 16 mm², 1016 mm, cuttable, for 3-pole MCBs with one 9 mm auxiliary/fault module per breaker.
- 5ST3716 SENTRON 5ST pin busbar, 4-phase, 16 mm², 1016 mm, cuttable, for 4-pole MCBs without side accessory gaps.
- 5ST3714 SENTRON 5ST pin busbar, 3-phase, 16 mm², 1016 mm, cuttable, for 1-pole MCBs with one 9 mm auxiliary/fault module per breaker.
- 5ST3748 SENTRON end cap for 1-phase cuttable 5ST37 pin busbars.
- 5ST3750 SENTRON end cap for 2 / 3-phase cuttable 5ST37 pin busbars.
- 5ST3718 SENTRON end cap for 4-phase cuttable 5ST37 pin busbars.
- 5ST3768-3 SENTRON infeed terminal for 5ST36 / 5ST37 busbars, centre cable entry, 6–25 mm² conductor.
- 5ST3760-3 SENTRON infeed terminal for 5ST36 / 5ST37 busbars, centre cable entry, 6–50 mm² conductor.
- 5ST3655 SENTRON touch-protection covers for unused busbar pins, yellow, five individual pin covers per set.
- 5ST3030 SENTRON shunt trip, 110–415 V AC / 110–220 V DC, for compatible 5SY4 MCBs.
- 5ST3031 SENTRON shunt trip, 24–48 V AC/DC, for compatible 5SY4 MCBs.
- 5ST3043 SENTRON undervoltage release, 230 V AC, for compatible 5SY4 MCBs.
- 5ST3045 SENTRON undervoltage release, 24 V DC, for compatible 5SY4 MCBs.
- 5ST3801 SENTRON handle locking device for 5SY / 5SP4 MCBs, sealable and padlockable.
