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Siemens 3RT2028-1NP30 — Contactors

Siemens 3RT2028-1NP30 SIRIUS S0 Power Contactor, 200-280 VAC

MPN3RT2028-1NP30
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Siemens SIRIUS S0 power contactor, 3RT2028-1NP30, 200-280 VAC 50/60 Hz coil, screw-type terminals, auxiliary switch, screw and snap-on 35 mm 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

3RT2028-1NP30 — Identification
ParameterValue
Contactor frame sizeS0
3RT2028-1NP30 — Ratings & Performance
ParameterValue
Rated operational current, AC-12, max.10 A
Rated operational current, AC-4 @ 400 V22 A
Rated value @ 400 V3 A
Rated value @ 500 V2 A
Rated value @ 690 V1 A
Rated value @ 230 V5 hp
Rated value @ 24 V10 A
Rated value @ 60 V2 A
Rated value @ 110 V1 A
Rated value @ 220 V0.3 A
3RT2028-1NP30 — Control & Coil
ParameterValue
Control supply voltage typeAC/DC
Rated value @ 50 Hz0.51
Rated value @ 50 Hz200 ... 280 V
3RT2028-1NP30 — Contacts & Poles
ParameterValue
Main poles3
Main NO contacts3
Auxiliary contact reliability1 faulty switching per 100 million (17 V, 1 mA)
3RT2028-1NP30 — Protection & Coordination
ParameterValue
Short-circuit coordination type 1, fusegG: 125A (690V,100kA), aM: 50A (690V,100kA), BS88: 125A (415V,80kA)
Short-circuit coordination type 2, fusegG: 50A (690V,100kA), aM: 25A (690V, 100kA), BS88: 50A (415V, 80kA)
Aux. switch short-circuit protection, fusegG: 10 A (500 V, 1 kA)
3RT2028-1NP30 — 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
3RT2028-1NP30 — Durability
ParameterValue
Durability (operating cycles, typ.)10 000 000
Durability with aux. switch block (cycles, typ.)10 000 000
3RT2028-1NP30 — Environmental
ParameterValue
Operating temperature range-25 ... +60 °C
Storage temperature range-55 ... +80 °C
Installation altitude, max.2 000 m
3RT2028-1NP30 — Mechanical
ParameterValue
Width45 mm
Height85 mm
Depth107 mm
3RT2028-1NP30 — Specifications
ParameterValue
At AC30 ... 50 ms

Product details

The Siemens 3RT2028-1NP30 is a SIRIUS S0 power contactor with a 200-280 VAC coil, screw-type terminals, and an integrated auxiliary switch. It mounts via screw or snap-on onto 35 mm DIN rail per DIN EN 60715, and its 45 mm width and 107 mm depth fit a standard S0 panel footprint.

Envelope and Mounting

The S0 frame measures 85 mm high by 45 mm wide by 107 mm deep. Clearance: 10 mm upwards, downwards, and forwards; 6 mm at the sides.

Rated for AC-1 at 1,000 operations/hour, AC-2 and AC-3 at 750 ops/h, AC-4 at 250 ops/h. Coil inrush peaks at 25 A. Arcing time is 10 ms. Mechanical life of the contactor typical is 10,000,000 cycles.

Frequently asked questions

Where can I buy 3RT2028-1NP30 and how do I get a price?

Submit an RFQ through this listing. The part is sourced to order via independent distribution; current pricing and availability are confirmed at quote time.

What is 3RT2028-1NP30's listed depth?

The depth is 107 mm, with a height of 85 mm and width of 45 mm.

What is 3RT2028-1NP30's listed solid wire range?

The solid wire range is 1 to 10 mm². Stranded wire also 1 to 10 mm². For auxiliary circuits, it accepts 2x (0.5 to 1.5 mm²) or 2x (0.75 to 2.5 mm²).

MPN
3RT2028-1NP30