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Siemens 3RT1517-2BB48-0KT4 — Contactors

Siemens 3RT1517-2BB48-0KT4 SIRIUS Power Contactor, Size S00,

MPN3RT1517-2BB48-0KT4

Siemens SIRIUS 3RT1517-2BB48-0KT4 power contactor, Size S00, 24 VDC coil, 2 NO + 2 NC auxiliary contacts rated 12 A, spring-loaded terminals, 45 mm width, IP20.

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

Specifications

3RT1517-2BB48-0KT4 — Identification
ParameterValue
Contactor frame sizeS00
3RT1517-2BB48-0KT4 — Ratings & Performance
ParameterValue
Rated value @ 400 V3 A
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
3RT1517-2BB48-0KT4 — Control & Coil
ParameterValue
Control supply voltage typeDC
3RT1517-2BB48-0KT4 — Contacts & Poles
ParameterValue
Main poles4
Main NO contacts2
Auxiliary contact reliability1 faulty switching per 100 million (17 V, 1 mA)
3RT1517-2BB48-0KT4 — 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
3RT1517-2BB48-0KT4 — Connection & Mounting
ParameterValue
Main circuit connectionspring-loaded terminals
Conductor cross-section, solid2x (0.25 ... 2.5 mm²)
Conductor cross-section, finely stranded w/ ferrule2x (0.25 ... 1.5 mm²)
Side-by-side mountingYes
3RT1517-2BB48-0KT4 — Durability
ParameterValue
Durability (operating cycles, typ.)10 000 000
Durability with aux. switch block (cycles, typ.)10 000 000
3RT1517-2BB48-0KT4 — Environmental
ParameterValue
Operating temperature range-25 ... +60 °C
Storage temperature range-55 ... +80 °C
3RT1517-2BB48-0KT4 — Mechanical
ParameterValue
Width45 mm
Height60 mm
Depth72 mm

Product details

The 24 V DC coil draws 10 A at rated value, with a pick-up voltage of 0.85 x nominal and a drop-out of 1.1 x nominal. The coil operates within a 7–10 ms closure time and an arcing time of 10–15 ms.

The main circuit uses spring-loaded terminals accepting 2x (0.25–2.5 mm²) solid or stranded wire. The auxiliary circuit terminals share the same spring-cage design, rated for the same wire range. Strip length for spring terminals is typically 8–10 mm; no screw torque required.

Environmental and Protection Ratings

The contactor carries IP20 protection on the front and at the terminals, suitable for enclosed panel installation where no washdown or dust ingress is expected.

Frequently asked questions

What is the closest functional alternative to 3RT1517-2BB48-0KT4?

The 3RT1016-1BB42 is a Size S00 contactor with a 24 V DC coil and similar auxiliary contact configuration, but it uses screw terminals instead of spring-loaded terminals. The 3RT1517-2BB48-0KT4's spring-loaded terminals reduce wiring time and eliminate screw-torque verification.

Where can I buy 3RT1517-2BB48-0KT4 and how is it quoted?

This part is sourced through independent distribution and quoted to order against an RFQ. Submit an RFQ for current availability and pricing — no minimum quantity commitment required.

What compliance documentation is available for 3RT1517-2BB48-0KT4?

As a Siemens SIRIUS product, this contactor is designed to meet IEC/EN 60947-4-1 and relevant UL/CSA standards. RoHS and REACH declarations are available from Siemens upon request. The IP20 rating and 6 kV rated impulse withstand voltage (main and auxiliary circuits) are documented in the product standard.

MPN
3RT1517-2BB48-0KT4