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Siemens 3RT1516-1BA40 — Contactors

Siemens 3RT1516-1BA40 SIRIUS Power Contactor, Size S00, 24 V

MPN3RT1516-1BA40

Siemens SIRIUS power contactor, 3RT1516-1BA40, size S00, 24 VDC coil rated 10 A, screw-type terminals, 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

3RT1516-1BA40 — Identification
ParameterValue
Contactor frame sizeS00
3RT1516-1BA40 — 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
3RT1516-1BA40 — Control & Coil
ParameterValue
Control supply voltage typeDC
3RT1516-1BA40 — Contacts & Poles
ParameterValue
Main poles4
Main NO contacts2
Auxiliary contact reliability1 faulty switching per 100 million (17 V, 1 mA)
3RT1516-1BA40 — 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
3RT1516-1BA40 — 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
3RT1516-1BA40 — Durability
ParameterValue
Durability (operating cycles, typ.)30 000 000
Durability with aux. switch block (cycles, typ.)10 000 000
3RT1516-1BA40 — Environmental
ParameterValue
Operating temperature range-25 ... +60 °C
Storage temperature range-55 ... +80 °C
3RT1516-1BA40 — Mechanical
ParameterValue
Width45 mm
Height57.5 mm
Depth72 mm

Product details

The 24 VDC coil draws its rated 10 A at pickup, then holds on lower current — the coil's rated value at 24 V is 10 A, which tells you the inrush the control transformer or DC supply needs to deliver. On the output side, it switches 6 A at 230 V AC and 3 A at 400 V AC, making it a fit for small pumps, fans, and conveyor motors in the 1–2 kW range. The main circuit impulse withstand is rated at 6 kV, and auxiliary circuit at 6 kV as well, which covers standard industrial transient environments without requiring external MOVs in most panels.

Wiring and mounting fit

Screw-type terminals on the main circuit accept 2x (0.5 to 1.5 mm²), 2x (0.75 to 2.5 mm²), or max 2x (0.75 to 4 mm²) — solid or stranded. That's enough for the motor leads on a 1–2 kW load. The auxiliary contacts (1 NO + 1 NC) are rated 9 A each, which handles pilot duty on PLC inputs or relay coils. Dimensions are 45 mm wide, 57.5 mm high, 72 mm deep — the S00 footprint that fits in a standard 45 mm slot on the DIN rail. Mounting position is flexible: vertical surface with ±180° rotation or ±30° tilt front/back.

Frequently asked questions

What are the key ratings for this contactor?

24 VDC coil rated 10 A. Main contacts switch 6 A at 230 V AC, 3 A at 400 V AC. Auxiliary contacts rated 9 A per NO/NC. Impulse withstand 6 kV main and auxiliary circuits. Size S00, 45 mm wide, mounts on 35 mm DIN rail.

What wire sizes does the screw terminal accept?

Screw terminals accept 2x (0.5 to 1.5 mm²), 2x (0.75 to 2.5 mm²), or max 2x (0.75 to 4 mm²) solid or stranded conductors.

What is the operating temperature range?

Operating range is -25 to +60 °C. Storage range is -55 to +80 °C. The front and terminals carry IP20 finger-protection rating.

MPN
3RT1516-1BA40