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Siemens 3RT2026-1BG40 — Contactors

Siemens 3RT2026-1BG40 SIRIUS Power Contactor, Size S0, 45mm,

MPN3RT2026-1BG40
Active

Siemens SIRIUS power contactor, Size S0, 3RT2026-1BG40, 45 mm width, screw-type terminals, 24 VDC coil, 10 A rated at 24 V.

Source DocumentedChannel stated on listing & quote
Condition PhotosReal unit photos / video on request
WhatsApp AnswersFast human replies for machine-down parts
Worldwide DispatchDHL/FedEx — transit quoted per order
Independent China distributor & sourcing agent· Listing updated Sep 2026

Specifications

3RT2026-1BG40 — Identification
ParameterValue
Contactor frame sizeS0
3RT2026-1BG40 — Ratings & Performance
ParameterValue
Rated operational current, AC-12, max.10 A
Rated operational current, AC-4 @ 400 V15.5 A
Rated value @ 400 V3 A
Rated value @ 500 V2 A
Rated value @ 690 V1 A
Rated value @ 230 V3 hp
Rated value @ 24 V10 A
Rated value @ 60 V2 A
Rated value @ 110 V1 A
Rated value @ 220 V0.3 A
3RT2026-1BG40 — Control & Coil
ParameterValue
Control supply voltage typeDC
3RT2026-1BG40 — Contacts & Poles
ParameterValue
Main poles3
Main NO contacts3
Auxiliary contact reliability1 faulty switching per 100 million (17 V, 1 mA)
3RT2026-1BG40 — Protection & Coordination
ParameterValue
Short-circuit coordination type 1, fusegG: 100 A (690 V, 100 kA), aM: 50 A (690 V, 100 kA), BS88: 100 A (415 V, 80 kA)
Short-circuit coordination type 2, fusegG: 35A (690V, 100kA), aM: 20A (690V, 100kA), BS88: 35A (415V, 80kA)
Aux. switch short-circuit protection, fusegG: 10 A (500 V, 1 kA)
3RT2026-1BG40 — Connection & Mounting
ParameterValue
Main circuit connectionscrew-type terminals
Aux. / control circuit connectionscrew-type terminals
Conductor cross-section, solid1 ... 10 mm²
Conductor cross-section, solid or stranded2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 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 DIN rail according to DIN EN 60715
Side-by-side mountingYes
3RT2026-1BG40 — Durability
ParameterValue
Durability (operating cycles, typ.)10 000 000
Durability with aux. switch block (cycles, typ.)10 000 000
3RT2026-1BG40 — Environmental
ParameterValue
Operating temperature range-25 ... +60 °C
Storage temperature range-55 ... +80 °C
Installation altitude, max.2 000 m
3RT2026-1BG40 — Mechanical
ParameterValue
Width45 mm
Height85 mm
Depth107 mm

Product details

SIRIUS Size S0 Power Contactor for 24 VDC Control

It carries a 24 VDC coil rated at 10 A. Mounts via screw or snap-on onto 35 mm DIN rail per DIN EN 60715, with mounting positions allowing ±180° rotation on vertical surfaces and ±22.5° tilt forward/backward. The screw-type coil terminals accept solid or stranded wire from 1 to 10 mm², with auxiliary switch contacts rated for 125 V at 0.9 A.

Switching Duty and Mechanical Life

Rated for 1,000,000 operations at AC-1 (resistive), 750,000 at AC-2 and AC-3 (motor starting/running), and 250,000 at AC-4 (plugging/inching). Mechanical life is 10,000,000 cycles typical. The arcing time is 10 ms.

Current Production, Sourced to Order

Frequently asked questions

What are the key dimensions of 3RT2026-1BG40?

Width 45 mm, height 85 mm, depth 107 mm.

What wire sizes does the 3RT2026-1BG40 accept?

Solid or stranded wire from 1 to 10 mm² for main contacts; auxiliary contacts accept 2x (0.5 to 1.5 mm²) or 2x (0.75 to 2.5 mm²).

Where can I buy 3RT2026-1BG40?

Sourced and quoted to order against an RFQ through independent distribution; availability and current pricing confirmed at quote time.

MPN
3RT2026-1BG40