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Siemens 3RH2344-1CK20-0KA0 — Contactors

Siemens 3RH2344-1CK20-0KA0 SIRIUS S00 Aux Contactor, 4NO 10A

MPN3RH2344-1CK20-0KA0
Active

Siemens SIRIUS series, auxiliary contactor, S00 frame, 4 N/O instantaneous contacts, rated 10 A at 24 V, screw and snap-on mounting for 35 mm DIN rail, depth 117 mm, width 45 mm.

$222.44Ref. price · indicative, final on quote
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Jul 2026

Specifications

3RH2344-1CK20-0KA0 — Identification
ParameterValue
Contactor frame sizeS00
3RH2344-1CK20-0KA0 — 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
3RH2344-1CK20-0KA0 — Control & Coil
ParameterValue
Control supply voltage typeAC
Rated value @ 50 Hz0.8 ... 1.1
Rated value @ 50 Hz120 V
3RH2344-1CK20-0KA0 — Contacts & Poles
ParameterValue
Auxiliary contact reliability1 faulty switching per 100 million (17 V, 1 mA)
3RH2344-1CK20-0KA0 — 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 DIN rail
3RH2344-1CK20-0KA0 — Durability
ParameterValue
Durability (operating cycles, typ.)10 000 000
3RH2344-1CK20-0KA0 — Environmental
ParameterValue
Operating temperature range-25 ... +60 °C
Storage temperature range-55 ... +80 °C
Installation altitude, max.2 000 m
3RH2344-1CK20-0KA0 — Mechanical
ParameterValue
Width45 mm
Height57.5 mm
Depth117 mm
3RH2344-1CK20-0KA0 — Specifications
ParameterValue
At AC4 ... 15 ms

Product details

The S00 frame is compact: 45 mm wide, 117 mm deep, 57.5 mm tall. Clearance required: 10 mm upward, downward, and forward; 6 mm at the sides. That's tight enough for dense panels. Accepts 2 × (0.5–2.5 mm²) solid or stranded, plus 4 mm² on the same terminal.

RoHS-compliant per the 2006 substance prohibition date. Pollution degree 3 (industrial environment). Storage temperature range -55 to +80 °C; operating -25 to +60 °C. No end-of-life notice – currently active. Sourced to order; RFQ for firm lead time.

Frequently asked questions

What are the key dimensions for panel layout?

Depth 117 mm, width 45 mm, height 57.5 mm. Mounting clearance: 10 mm up/down/forward, 6 mm at sides.

MPN
3RH2344-1CK20-0KA0