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Siemens 3RH1140-1AK60 — Contactors

Siemens 3RH1140-1AK60 SIRIUS Auxiliary Contactor, Size S00,

MPN3RH1140-1AK60

Siemens SIRIUS auxiliary contactor, size S00, 4 NO instantaneous contacts, screw and snap-on mounting, IP20 front, 3RH1140-1AK60.

$48.01Ref. price · indicative, final on quote
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

3RH1140-1AK60 — Identification
ParameterValue
Contactor frame sizeS00
3RH1140-1AK60 — 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 @ 110 V1 A
Rated value @ 220 V0.27 A
3RH1140-1AK60 — Control & Coil
ParameterValue
Control supply voltage typeAC
Rated value @ 50 Hz0.8 ... 1.1
Rated value @ 50 Hz110 V
3RH1140-1AK60 — Contacts & Poles
ParameterValue
Auxiliary contact reliability1 faulty switching per 100 million (17 V, 1 mA)
3RH1140-1AK60 — Connection & Mounting
ParameterValue
Conductor cross-section, solid2x (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
3RH1140-1AK60 — Durability
ParameterValue
Durability (operating cycles, typ.)30 000 000
Durability with aux. switch block (cycles, typ.)10 000 000
3RH1140-1AK60 — Environmental
ParameterValue
Installation altitude, max.2 000 m
3RH1140-1AK60 — Mechanical
ParameterValue
Width45 mm
Height57.5 mm
Depth72 mm

Product details

SIRIUS 3RH1140-1AK60 — Auxiliary Contactor, Size S00

The Siemens 3RH1140-1AK60 is a SIRIUS auxiliary contactor in size S00, carrying 4 normally-open instantaneous contacts. Rated switching current reaches 10 A at 24 V, derating to 6 A at 230 V and 3 A at 400 V, covering typical control-circuit voltages across 50/60 Hz systems.

Fastening method allows both screw fixing and snap-on mounting to a DIN rail. Size S00 keeps the footprint compact at 45 mm width and 57.5 mm height.

Electrical Ratings and Contact Performance

Mechanical endurance is listed at 30,000,000 operating cycles typical. Shock resistance is 10g / 5 ms and 5g / 10 ms, ensuring reliability under vibration. The contactor is rated for both 50 Hz and 60 Hz operation, with frequency-dependent switching current ranges of 0.8...1.1 at 50 Hz and 0.85...1.1 at 60 Hz.

Frequently asked questions

How do I get current pricing and availability for 3RH1140-1AK60?

Submit an RFQ through this listing. Availability and current pricing are confirmed at quote time through our independent distribution channels.

What is 3RH1140-1AK60's listed depth?

The listed depth is 72 mm.

What is 3RH1140-1AK60's listed solid wire capacity?

The solid wire capacity is 2x (0.5... 1.5 mm²), 2x (0.75... 2.5 mm²), and 2x 4 mm².

What compliance documentation does Siemens provide for 3RH1140-1AK60?

The part carries a substance prohibitance date of 01.07.2006, indicating RoHS compliance. Reference code per IEC 81346-2 is K.

MPN
3RH1140-1AK60