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Siemens 3RT2337-1AN20 — Contactors

Siemens 3RT2337-1AN20 SIRIUS Contactor, S2 Frame, 75 mm

MPN3RT2337-1AN20
Active

Siemens SIRIUS contactor 3RT2337-1AN20, S2 frame size, 75 mm width, 114 mm height, 130 mm depth, screw and snap-on mounting onto 35 mm DIN rail, AC coil.

Siemens 3RT2337-1AN20 datasheet (PDF)
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Aug 2026

Specifications

3RT2337-1AN20 — Identification
ParameterValue
Contactor frame sizeS2
3RT2337-1AN20 — 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 V10 A
Rated value @ 24 V10 A
Rated value @ 60 V6 A
Rated value @ 110 V1 A
Rated value @ 220 V0.3 A
3RT2337-1AN20 — Control & Coil
ParameterValue
Control supply voltage typeAC
Rated value @ 50 Hz0.36
Rated value @ 50 Hz220 V
3RT2337-1AN20 — Contacts & Poles
ParameterValue
Main poles4
Main NO contacts4
Auxiliary contact reliability1 faulty switching per 100 million (17 V, 1 mA)
3RT2337-1AN20 — Protection & Coordination
ParameterValue
Short-circuit coordination type 1, fusegG: 160 A (690 V, 100 kA)
Short-circuit coordination type 2, fusegR: 80 A (690 V, 100 kA)
Aux. switch short-circuit protection, fusegG: 10 A (690 V, 1 kA)
3RT2337-1AN20 — 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)
Conductor cross-section, solid or stranded2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 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 according to DIN EN 60715
Side-by-side mountingYes
3RT2337-1AN20 — Durability
ParameterValue
Durability (operating cycles, typ.)10 000 000
Durability with aux. switch block (cycles, typ.)10 000 000
3RT2337-1AN20 — Environmental
ParameterValue
Operating temperature range-40 ... +70 °C
Storage temperature range-55 ... +80 °C
Installation altitude, max.2 000 m
3RT2337-1AN20 — Mechanical
ParameterValue
Width75 mm
Height114 mm
Depth130 mm
3RT2337-1AN20 — Specifications
ParameterValue
At AC10 ... 18 ms

Product details

SIRIUS S2 contactor — panel fit and mounting

The 3RT2337-1AN20 is a Siemens SIRIUS contactor in the S2 frame size, measuring 75 mm wide by 114 mm tall by 130 mm deep — a footprint that fits standard panel layouts with 6 mm clearance to adjacent devices on the side and 10 mm clearance above and below.

MPN
3RT2337-1AN20