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Siemens 3RT1026-1AV04 — Contactors

Siemens 3RT1026-1AV04 SIRIUS Power Contactor, 3 NO, 11 kW at

MPN3RT1026-1AV04

Siemens SIRIUS power contactor, 3RT1026-1AV04, size S0, 3 NO main contacts, 11 kW AC-2 at 400 V, 15.5 A AC-4 at 400 V, screw terminals, IP20 front, snap-on DIN rail.

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

3RT1026-1AV04 — Identification
ParameterValue
Contactor frame sizeS0
3RT1026-1AV04 — 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 V11 kW
Rated value @ 690 V11 kW
Rated value @ 230 V6 A
Rated value @ 24 V10 A
Rated value @ 60 V2 A
Rated value @ 110 V1 A
Rated value @ 220 V0.3 A
3RT1026-1AV04 — Control & Coil
ParameterValue
Control supply voltage typeAC
Rated value @ 50 Hz0.8 ... 1.1
Rated value @ 50 Hz400 V
3RT1026-1AV04 — Contacts & Poles
ParameterValue
Main poles3
Main NO contacts3
Auxiliary contact reliability1 faulty switching per 100 million (17 V, 1 mA)
3RT1026-1AV04 — Protection & Coordination
ParameterValue
Short-circuit coordination type 1, fusefuse gL/gG: 100 A
Short-circuit coordination type 2, fusefuse gL/gG: 35 A
Aux. switch short-circuit protection, fusefuse gL/gG: 10 A
3RT1026-1AV04 — 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), max. 2x (0.75 ... 4 mm²)
Conductor cross-section, solid or stranded2x (1 ... 2,5 mm²), 2x (2,5 ... 6 mm²), max. 2x 10 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
Side-by-side mountingYes
3RT1026-1AV04 — Durability
ParameterValue
Durability (operating cycles, typ.)10 000 000
Durability with aux. switch block (cycles, typ.)10 000 000
3RT1026-1AV04 — Environmental
ParameterValue
Installation altitude, max.2 000 m
3RT1026-1AV04 — Mechanical
ParameterValue
Width45 mm
Height85 mm
Depth140 mm

Product details

SIRIUS S0 Power Contactor — 3 NO, 11 kW AC-2 at 400 V

It is rated for 11 kW at 400 V under AC-2 duty (slip-ring motor switching) and delivers 15.5 A at 400 V under AC-4 duty (plugging/reversing/inching).

Coordination & Protection

Type 1 coordination (contactor may need replacement after fault) allows a 100 A gL/gG fuse. This gives the panel designer flexibility: use the 35 A fuse where uptime matters, or the 100 A where fault-clearing capacity is the priority.

Termination & Wiring

Main circuit terminals are screw-type, accepting 2x (0.5...1.5 mm²), 2x (0.75...2.5 mm²), or max 2x (0.75...4 mm²) solid/stranded, with AWG equivalents 2x (16...12), 2x (14...10), or 1x 8. Auxiliary/control circuit terminals accept 2x (1...2.5 mm²) or 2x (2.5...6 mm²) solid/stranded, max 2x 10 mm², AWG 2x (20...16), 2x (18...14), or 1x 12.

Frequently asked questions

Does 3RT1026-1AV04 fit a panel wired for 3RT1017-1AP04-3MA0?

Both are S0-frame SIRIUS contactors with the same 45 mm width and 85 mm height, so they share the same DIN rail footprint and panel cutout. Terminal layout is identical for the main and auxiliary circuits — no rewiring needed for the power connections.

MPN
3RT1026-1AV04