Siemens SENTRON 5TT3440 soft-starting device (2-phase control)

SENTRON 5TT3 soft-starting device for 2-phase control of 3-phase motors at 400 V AC in modular installation design.

Key features

2-phase motor control for 3-phase motors
Rated operational voltage 400 V AC
6 MW modular width for distribution boards
Reduces starting current and mechanical stress

Specifications

Brand	Siemens SENTRON
Series	5TT3
Version	3-phase
Ue	400 V AC
Mounting width	6 MW
Rigid conductor cross-section	Max. 2 x 2.5 mm2
Source	Siemens Catalog LV 10 · 2026, p. 488

5TT3440

Version: 3-phase, 2-phase controlled | Ue: 400 V AC | Mounting width: 6 MW

Soft StartersSiemens

1 product code available in this family

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Siemens SENTRON 5TT3440 soft-starting device (2-phase control)

Brand Siemens·Soft Starters

Available part numbers (1)

5TT3440

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