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Siemens 3RT1017-1KB42 — Contactors

Siemens 3RT1017-1KB42 SIRIUS Power Contactor, 24 VDC, Size S

MPN3RT1017-1KB42

Siemens SIRIUS power contactor, 3RT1017-1KB42, size S00, 24 V DC coil, screw terminals, IP20, snap-on DIN rail mount.

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

3RT1017-1KB42 — Identification
ParameterValue
Contactor frame sizeS00
3RT1017-1KB42 — Ratings & Performance
ParameterValue
Rated operational current, AC-4 @ 400 V8.5 A
Rated value @ 400 V3 A
Rated value @ 500 V5.5 kW
Rated value @ 690 V5.5 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
3RT1017-1KB42 — Control & Coil
ParameterValue
Control supply voltage typeDC
3RT1017-1KB42 — Contacts & Poles
ParameterValue
Main poles3
Main NO contacts3
Auxiliary contact reliability1 faulty switching per 100 million (17 V, 1 mA)
3RT1017-1KB42 — Protection & Coordination
ParameterValue
Short-circuit coordination type 1, fusefuse gL/gG: 35 A
Short-circuit coordination type 2, fusefuse gL/gG: 20 A
Aux. switch short-circuit protection, fusefuse gL/gG: 10 A
3RT1017-1KB42 — Connection & Mounting
ParameterValue
Main 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, finely stranded w/ ferrule2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²)
Side-by-side mountingYes
3RT1017-1KB42 — Durability
ParameterValue
Durability (operating cycles, typ.)30 000 000
3RT1017-1KB42 — Environmental
ParameterValue
Operating temperature range-25 ... +60 °C
3RT1017-1KB42 — Mechanical
ParameterValue
Width45 mm
Height57.5 mm
Depth72 mm

Product details

Siemens SIRIUS 3RT1017-1KB42 Power Contactor — S00 Frame, 24 V DC Coil

Rated for a 24 V DC coil, the contactor draws 2.3 W closing and holding power, with a varistor surge suppressor built in for coil transient protection. The main contacts are screw-type terminals accepting 2x (0.5–1.5 mm²), 2x (0.75–2.5 mm²), or max 2x (0.75–4 mm²) solid/stranded conductors. Switching capacity: 10 A at 24 V (AC-12), 8.5 A at 400 V in AC-4 duty (frequent starting/plugging), and 5.5 kW at 400 V in AC-2 (slip-ring motor) and at 500 V/690 V. For type coordination 2, the recommended fuse is gL/gG 20 A; for type 1, 35 A.

Environmental & Mounting

Operating temperature range -25 to +60 °C, pollution degree 3, maximum operating altitude 2 000 m. Dimensions: 45 mm width, 57.5 mm height, 72 mm depth.

Frequently asked questions

What is the closest functional second-source for 3RT1017-1KB42?

The closest peer is 3RT1016-1AG61, also a SIRIUS S00 contactor but with a 24 V AC coil instead of DC. The 3RT1017-1KB42 uses a 24 V DC coil with varistor suppression; the 3RT1016-1AG61 uses an AC coil. Panel footprint and terminal layout are identical, so a swap requires verifying coil supply voltage.

Will 3RT1017-1KB42 drop into a panel specified around 3RT1016-1AG61 without rewiring?

Mechanically yes — both are S00 frame, same DIN rail mount, same screw terminal pattern. The difference is the coil: 3RT1017-1KB42 is 24 V DC, while 3RT1016-1AG61 is 24 V AC. If the panel supplies 24 V DC, it drops in; if it supplies 24 V AC, the DC coil will not hold in.

How do I get current pricing and availability for 3RT1017-1KB42?

This part is sourced and quoted to order against an RFQ through independent distribution. Submit an RFQ for current pricing and availability — both are confirmed at quote time.

What compliance documentation does Siemens provide for 3RT1017-1KB42?

The manufacturer typically provides RoHS, REACH, and IEC/EN 60947-4-1 compliance documentation on request. The product carries IP20 rating and pollution degree 3 per IEC standards.

MPN
3RT1017-1KB42