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Siemens 3RT1344-1AP60 — Contactors

Siemens 3RT1344-1AP60 SIRIUS Power Contactor, 42 kW at 230 V

MPN3RT1344-1AP60

Siemens SIRIUS power contactor, size S3, 42 kW at 230 V 60 °C, screw-type terminals, IP20 front, snap-on DIN rail mounting.

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

3RT1344-1AP60 — Identification
ParameterValue
Contactor frame sizeS3
3RT1344-1AP60 — Ratings & Performance
ParameterValue
Rated operational current, AC-12, max.10 A
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
3RT1344-1AP60 — Control & Coil
ParameterValue
Control supply voltage typeAC
Rated value @ 50 Hz0.8 ... 1.1
Rated value @ 50 Hz220 V
3RT1344-1AP60 — Contacts & Poles
ParameterValue
Main poles4
Main NO contacts4
Auxiliary contact reliability1 faulty switching per 100 million (17 V, 1 mA)
3RT1344-1AP60 — Protection & Coordination
ParameterValue
Short-circuit coordination type 1, fusefuse gL/gG: 250 A
Short-circuit coordination type 2, fusefuse gL/gG: 125 A
Aux. switch short-circuit protection, fusefuse gL/gG: 10 A
3RT1344-1AP60 — Connection & Mounting
ParameterValue
Main circuit connectionscrew-type terminals
Aux. / control 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, solid or stranded2x (2.5 ... 16 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 and 75 mm standard mounting rail
Side-by-side mountingYes
3RT1344-1AP60 — Durability
ParameterValue
Durability (operating cycles, typ.)10 000 000
Durability with aux. switch block (cycles, typ.)10 000 000
3RT1344-1AP60 — Environmental
ParameterValue
Operating temperature range-25 ... +60 °C
Storage temperature range-55 ... +80 °C
Installation altitude, max.2 000 m
3RT1344-1AP60 — Mechanical
ParameterValue
Width93 mm
Height146 mm
Depth139 mm
3RT1344-1AP60 — Specifications
ParameterValue
At AC10 ... 25 ms

Product details

The Siemens 3RT1344-1AP60 is a SIRIUS power contactor in size S3, rated for switching motor loads up to 42 kW at 230 V at 60 °C ambient — that is the AC-3 duty figure that governs real motor starts, not a resistive-heater number.

Main current circuit terminals are screw-type, accepting solid conductors from 2x (0.5... 1.5 mm²) up to max. 2x (0.75... 4 mm²) for the auxiliary side, and stranded conductors from 2x (10... 50 mm²) for the power side. The contactor is rated IP20 on the front with a cover or box terminal; the terminal body itself is IP00, so panel builders should account for clearance and finger-safe shrouding if the enclosure door is open during commissioning.

Frequently asked questions

What is the depth of 3RT1344-1AP60?

The depth is 139 mm, which fits within standard S3 contactor dimensions for DIN-rail panels.

What solid wire sizes does the 3RT1344-1AP60 accept?

The auxiliary terminals accept solid conductors from 2x (0.5... 1.5 mm²) up to max. 2x (0.75... 4 mm²); the main power terminals accept stranded conductors from 2x (10... 50 mm²).

MPN
3RT1344-1AP60