Skip to main content
Log in
Siemens 3RU2116-4AJ0 — Overload Relays

Siemens 3RU2116-4AJ0 SIRIUS Thermal Overload Relay, Class 10

MPN3RU2116-4AJ0

Siemens SIRIUS 3RU2116-4AJ0 thermal overload relay, Class 10, size S00, 690 V rated, 50/60 Hz, contactor mounting, 45 x 76 x 70 mm.

Siemens 3RU2116-4AJ0 datasheet (PDF)
StockContact for availability
Lead timeIn Stock wk
MOQ1 pcs
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Jul 2026
How we verify every order →

Specifications

Identification

3RU2116-4AJ0 — Identification
ParameterValue
Product brand nameSIRIUS
Product designationthermal overload relay
Frame size (overload relay)S00
Combinable contactor sizesS00
Reference code (IEC 81346-2)F

Protection & Trip

3RU2116-4AJ0 — Protection & Trip
ParameterValue
Overload current setting range11 ... 16 A
Trip classCLASS 10
Overload release typethermal

Electrical (main circuit)

3RU2116-4AJ0 — Electrical (main circuit)
ParameterValue
Rated operational current16 A
Poles (main circuit)3
Rated operating frequency50 ... 60 Hz
Rated insulation voltage (AC, pollution degree 3)690 V
Rated value (AC-3e), max.690 V
Rated surge withstand voltage6 kV
Main current circuitRing cable lug connection
Power loss at rated current (hot)8.1 W
Per pole2.7 W

Auxiliary contacts

3RU2116-4AJ0 — Auxiliary contacts
ParameterValue
Auxiliary contacts: NO1
Auxiliary contacts: NC1
Auxiliary contacts: CO (changeover)0
Auxiliary switch short-circuit protection (required fuse)fuse gG: 6 A, quick: 10 A
Switching current at 24 V2 A
Switching current at 60 V0.3 A
Switching current at 110 V0.22 A
Switching current at 120 V3 A
Switching current at 125 V0.22 A
Switching current at 220 V0.11 A
Switching current at 230 V2 A
Switching current at 400 V1 A

Connection & Mounting

3RU2116-4AJ0 — Connection & Mounting
ParameterValue
Mounting / fastening methodContactor mounting
Mounting positionany
Main-circuit connector arrangementTop and bottom
Auxiliary/control circuit connection typering terminal lug connection
Removable aux./control terminalNo

Environmental

3RU2116-4AJ0 — Environmental
ParameterValue
Operating temperature-40 ... +70 °C
Storage temperature-55 ... +80 °C
Transport temperature-55 ... +80 °C
Relative humidity, operating10 ... 95 %
Max. installation altitude2 000 m

Mechanical

3RU2116-4AJ0 — Mechanical
ParameterValue
Width45 mm
Height76 mm
Depth70 mm

Product details

Active SIRIUS overload relay, Class 10, size S00

The 3RU2116-4AJ0: It is rated for 50/60 Hz operation and a maximum voltage of 690 V. The thermal bimetallic release protects motors against overload and phase failure; the integrated auxiliary switch provides a normally-open signal contact that changes state on trip.

Mounting and motor ratings

This relay mounts directly onto a contactor — no DIN rail needed — and can be installed in any orientation. At 480 V and 600 V the maximum rated current is 16 A. Per-pole power dissipation is 2.7 W. Temperature compensation is active from -40 to +60 °C, keeping the trip curve stable across the working range.

Frequently asked questions

Where can I buy 3RU2116-4AJ0 and get a price?

This part is available through independent distribution. Submit an RFQ for current pricing and lead time; quantities are confirmed per request.

MPN
3RU2116-4AJ0