3RT1026-1b..0 motor starters - contactors Siemens Sirius
The Siemens 3RT1026-1B..0 is a heavy-duty, 3-pole IEC power contactor designed for the reliable switching of three-phase electric motors up to 11 kW at 400 V (or 15 HP at 460 V). As part of the classic SIRIUS 3RT1 legacy series, this Size S0 contactor utilizes a reliable DC operating mechanism with screw terminals for robust wire connection.
Its physical design supports easy snap-on mounting onto standard 35 mm DIN rails or direct screw-mounting onto panels. To ensure complete motor protection, it can be combined directly with 3RU1126 thermal overload relays or 3RB2026 electronic overload relays. Supplementary signaling configurations are easily achieved by snapping front- or side-mount auxiliary contact blocks onto the frame.
Specification
| Contactor Type | Power Contactor |
| Number of Poles | 3 |
| Size of Contactor | S0 |
| Control Voltage | 24V DC |
| Rated Operational Current (AC-3) | 25 A (at 400V) |
| Rated Operational Power (AC-3) | 11 kW (at 400V) |
| Horsepower Ratings (3-phase) | 7.5 HP @ 230V, 15 HP @ 460V |
| Auxiliary Contacts | None built-in (can be added on front or side) |
| Terminal Type | Screw terminals |
| Mounting Type | DIN Rail or screw mounting |
| Protection Class | IP20 on the front and terminals |
| Mechanical Service Life | 10 million switching cycles typical |
Ssaoco Dammam
- Started from: Jul 10, 2025
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