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Siemens 3RT2026-1AG20 SIRIUS Power Contactor, S0, Screw Term

MPN3RT2026-1AG20

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Siemens SIRIUS 3RT2026-1AG20 S0 power contactor, screw-type terminals, built-in auxiliary switch, dimensions 45 mm × 85 mm × 97 mm, wire range 1 … 10 mm².

$39.09Ref. price · indicative, final on quote

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Siemens 3RT2026-1AG20 datasheet (PDF)

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

Specifications

3RT2026-1AG20 — Identification
Parameter	Value
Contactor frame size	S0

3RT2026-1AG20 — Ratings & Performance
Parameter	Value
Rated operational current, AC-12, max.	10 A
Rated operational current, AC-4 @ 400 V	15.5 A
Rated value @ 400 V	3 A
Rated value @ 500 V	2 A
Rated value @ 690 V	1 A
Rated value @ 230 V	3 hp
Rated value @ 24 V	10 A
Rated value @ 60 V	2 A
Rated value @ 110 V	1 A
Rated value @ 220 V	0.3 A

3RT2026-1AG20 — Control & Coil
Parameter	Value
Control supply voltage type	AC
Rated value @ 50 Hz	0.25
Rated value @ 50 Hz	110 V

3RT2026-1AG20 — Contacts & Poles
Parameter	Value
Main poles	3
Main NO contacts	3
Auxiliary contact reliability	1 faulty switching per 100 million (17 V, 1 mA)

3RT2026-1AG20 — Protection & Coordination
Parameter	Value
Short-circuit coordination type 1, fuse	gG: 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, fuse	gG: 35A (690V, 100kA), aM: 20A (690V, 100kA), BS88: 35A (415V, 80kA)
Aux. switch short-circuit protection, fuse	gG: 10 A (500 V, 1 kA)

3RT2026-1AG20 — Connection & Mounting
Parameter	Value
Main circuit connection	screw-type terminals
Aux. / control circuit connection	screw-type terminals
Conductor cross-section, solid	1 ... 10 mm²
Conductor cross-section, solid or stranded	2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²)
Conductor cross-section, finely stranded w/ ferrule	2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²)
Mounting method	screw and snap-on mounting onto 35 mm DIN rail according to DIN EN 60715
Side-by-side mounting	Yes

3RT2026-1AG20 — Durability
Parameter	Value
Durability (operating cycles, typ.)	10 000 000
Durability with aux. switch block (cycles, typ.)	10 000 000

3RT2026-1AG20 — Environmental
Parameter	Value
Operating temperature range	-25 ... +60 °C
Storage temperature range	-55 ... +80 °C
Installation altitude, max.	2 000 m

3RT2026-1AG20 — Mechanical
Parameter	Value
Width	45 mm
Height	85 mm
Depth	97 mm

3RT2026-1AG20 — Specifications
Parameter	Value
At AC	4 ... 16 ms

Product details

S0 power contactor, screw terminals

Siemens SIRIUS 3RT2026-1AG20 is an S0-frame power contactor with screw-type terminals. Wire range accepts 1 … 10 mm² solid or stranded. Built-in auxiliary switch rated to switch 10 A and 3 A. Mechanical life 10 000 000 operations. Maximum switching frequency: 1 000 ops/h at AC-1, 750 ops/h at AC-3, 250 ops/h at AC-4. Ambient operating temperature -25 to +60 °C.

Production status is current, still in active manufacture. Supplied against an RFQ.