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Siemens 3RH2344-1DG40 — Contactors

Siemens 3RH2344-1DG40 SIRIUS Auxiliary Contactor, 4 NO, 45 m

MPN3RH2344-1DG40
Active

Siemens SIRIUS auxiliary contactor, size S00, 4 NO instantaneous contacts, screw and snap-on mounting for 35 mm DIN rail, 45 mm width, 117 mm depth, 57.5 mm height.

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

3RH2344-1DG40 — Identification
ParameterValue
Contactor frame sizeS00
3RH2344-1DG40 — Ratings & Performance
ParameterValue
Rated operational current, AC-12, max.10 A
Rated value @ 400 V3 A
Rated value @ 500 V2 A
Rated value @ 690 V1 A
Rated value @ 230 V6 A
Rated value @ 24 V10 A
Rated value @ 60 V4.7 A
Rated value @ 110 V3 A
Rated value @ 220 V1.2 A
3RH2344-1DG40 — Control & Coil
ParameterValue
Control supply voltage typeDC
3RH2344-1DG40 — Contacts & Poles
ParameterValue
Auxiliary contact reliability1 faulty switching per 100 million (17 V, 1 mA)
3RH2344-1DG40 — Connection & Mounting
ParameterValue
Conductor cross-section, solid or stranded2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²), 2x 4 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 standard mounting rail
3RH2344-1DG40 — Durability
ParameterValue
Durability (operating cycles, typ.)10 000 000
3RH2344-1DG40 — Environmental
ParameterValue
Operating temperature range-25 ... +60 °C
Storage temperature range-55 ... +80 °C
Installation altitude, max.2 000 m
3RH2344-1DG40 — Mechanical
ParameterValue
Width45 mm
Height57.5 mm
Depth117 mm
3RH2344-1DG40 — Specifications
ParameterValue
At AC10 000 1/h

Product details

It mounts via screw and snap-on onto a 35 mm standard mounting rail, with a width of 45 mm, depth of 117 mm, and height of 57.5 mm.

Switching capacity and contact ratings

The 4 NO contacts are rated for DC switching at 125 V with an initial value of 0.8 and full-scale value of 1.1. AC switching capacity reaches 10,000 operations per hour, with an arcing time of 10 to 15 ms and DC switching duration of 7 to 13 ms. Rated currents vary by voltage: 10 A at 24 V, 4.7 A at 60 V, 3 A at 110 V, 1.2 A at 220 V, 6 A at 230 V, 3 A at 400 V, 0.5 A at 440 V, 2 A at 500 V, 0.26 A at 600 V, and 1 A at 690 V.

Relative humidity minimum is 10%. The contactor includes a built-in varistor surge suppressor. It complies with RoHS substance prohibitions effective July 1, 2006.

Frequently asked questions

What are the key dimensions of 3RH2344-1DG40?

Width is 45 mm, depth is 117 mm, and height is 57.5 mm.

What is the contact configuration on 3RH2344-1DG40?

It has 4 normally-open instantaneous contacts.

How do I get current pricing and availability for 3RH2344-1DG40?

This part is sourced and quoted to order against an RFQ through independent distribution, with availability and current pricing confirmed at quote time.

What compliance documentation does Siemens provide for 3RH2344-1DG40?

The contactor complies with RoHS substance prohibitions effective July 1, 2006. It carries a pollution degree 3 rating.

MPN
3RH2344-1DG40