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Siemens 3RT2628-1BB45-0WA1 — Contactors

Siemens 3RT2628-1BB45-0WA1 DC Contactor, Size S0, 24 VDC Coi

MPN3RT2628-1BB45-0WA1

Siemens SIRIUS 3RT2628-1BB45-0WA1, Size S0 DC contactor, 24 VDC coil, screw-type terminals, screw and snap-on mounting onto 35 mm DIN rail per EN 50022.

Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Aug 2026

Specifications

3RT2628-1BB45-0WA1 — Identification
ParameterValue
Contactor frame sizeS0
3RT2628-1BB45-0WA1 — Control & Coil
ParameterValue
Control supply voltage typeDC
3RT2628-1BB45-0WA1 — Contacts & Poles
ParameterValue
Main NO contacts3
Auxiliary contact reliability0.00000001
3RT2628-1BB45-0WA1 — Protection & Coordination
ParameterValue
Aux. switch short-circuit protection, fusegG: 10 A (500 V, 1 kA)
3RT2628-1BB45-0WA1 — Connection & Mounting
ParameterValue
Main circuit connectionscrew-type terminals
Aux. / control circuit connectionscrew-type terminals
Conductor cross-section, solid2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²), 2x 4 mm²
Conductor cross-section, solid or stranded2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²), 2x 4 mm²
Conductor cross-section, finely stranded w/ ferrule2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²)
Mounting methodscrew and snap-on mounting onto 35 mm standard mounting rail according to DIN EN 50022
3RT2628-1BB45-0WA1 — Durability
ParameterValue
Durability with aux. switch block (cycles, typ.)3 000 000
3RT2628-1BB45-0WA1 — Environmental
ParameterValue
Operating temperature range-25 ... +60 °C
Storage temperature range-55 ... +80 °C
Installation altitude, max.2 000 m
3RT2628-1BB45-0WA1 — Mechanical
ParameterValue
Width45 mm
Height150 mm
Depth165 mm

Product details

It mounts via screw or snap-on onto 35 mm standard mounting rail per DIN EN 50022, with a width of 45 mm, height of 150 mm, and depth of 165 mm. DC switching ratings are specified across several voltages: 6 A at 24 V, 6 A at 230 V, 3 A at 400 V, 2 A at 60 V, 1 A at 110 V, 0.9 A at 125 V, and 0.3 A at 220 V.

The Size S0 footprint (45 mm wide) leaves room alongside other S0 devices on the same rail. Main circuit terminals accept solid conductors: 2x (0.5…1.5 mm²), 2x (0.75…2.5 mm²), and 2x 4 mm². Stranded conductors: 2x (1…2.5 mm²) and 2x (2.5…10 mm²).

Frequently asked questions

What is the mounting method for 3RT2628-1BB45-0WA1?

It mounts via screw or snap-on onto 35 mm standard mounting rail per DIN EN 50022, with a width of 45 mm.

MPN
3RT2628-1BB45-0WA1