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Siemens 3RU2116-1EB0 SIRIUS Thermal Overload Relay, CLASS 10

MPN3RU2116-1EB0

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Siemens SIRIUS thermal overload relay, 3RU2116-1EB0, CLASS 10, size S00, rated 690 V, for contactor mounting, screw terminals.

$28.80Ref. price · indicative, final on quote

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Siemens 3RU2116-1EB0 datasheet (PDF)

Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Aug 2026

Specifications

3RU2116-1EB0 — Identification
Parameter	Value
Product brand name	SIRIUS
Product designation	thermal overload relay
Frame size (overload relay)	S00
Combinable contactor sizes	S00
Reference code (IEC 81346-2)	F

3RU2116-1EB0 — Protection & Trip
Parameter	Value
Overload current setting range	2.8 ... 4 A
Trip class	CLASS 10
Overload release type	thermal

3RU2116-1EB0 — Electrical (main circuit)
Parameter	Value
Rated operational current	4 A
Poles (main circuit)	3
Rated operating frequency	50 ... 60 Hz
Rated insulation voltage (AC, pollution degree 3)	690 V
Rated value (AC-3e), max.	690 V
Rated surge withstand voltage	6 kV
Main current circuit	screw-type terminals
Power loss at rated current (hot)	5.7 W
Per pole	1.9 W

3RU2116-1EB0 — Auxiliary contacts
Parameter	Value
Auxiliary contacts: NO	1
Auxiliary contacts: NC	1
Auxiliary contacts: CO (changeover)	0
Auxiliary switch short-circuit protection (required fuse)	fuse gG: 6 A, quick: 10 A
Switching current at 24 V	2 A
Switching current at 60 V	0.3 A
Switching current at 110 V	0.22 A
Switching current at 120 V	3 A
Switching current at 125 V	0.22 A
Switching current at 220 V	0.11 A
Switching current at 230 V	2 A
Switching current at 400 V	1 A

3RU2116-1EB0 — Connection & Mounting
Parameter	Value
Mounting / fastening method	Contactor mounting
Mounting position	any
Main-circuit connector arrangement	Top and bottom
Auxiliary/control circuit connection type	screw-type terminals
Removable aux./control terminal	No
Conductor cross-section: solid or stranded	2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²)
Conductor cross-section: finely stranded with ferrule	2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²)
Conductor range (AWG), main contacts	2x (20 ... 16), 2x (18 ... 14), 2x 12
Conductor range (AWG), auxiliary contacts	2x (20 ... 16), 2x (18 ... 14)

3RU2116-1EB0 — Environmental
Parameter	Value
Operating temperature	-40 ... +70 °C
Storage temperature	-55 ... +80 °C
Transport temperature	-55 ... +80 °C
Relative humidity, operating	10 ... 95 %
Max. installation altitude	2 000 m

3RU2116-1EB0 — Mechanical
Parameter	Value
Width	45 mm
Height	76 mm
Depth	70 mm

Product details

The Siemens 3RU2116-1EB0 is a SIRIUS thermal overload relay, size S00, with CLASS 10 trip protection. It mounts directly onto a contactor, saving DIN rail space.

The auxiliary contact block is integrated and rated for switching at various voltages: 2 A at 24 V, 3 A at 120 V, 2 A at 230 V, 1 A at 400 V, and 0.75 A at 690 V. For motor power, the relay is rated at 1.5 kW at 400 V, 2.2 kW at 500 V, and 3 kW at 690 V. At 480 V and 600 V, the current rating is 4 A. These are the values to match against your motor nameplate.

Size S00 means a compact footprint: 45 mm wide, 76 mm high, 70 mm deep. Main circuit connections are screw-type terminals, accepting 2× (0.5…1.5 mm²) or 2× (0.75…2.5 mm²) solid or stranded wire. The screwdriver spec is Pozidriv PZ2 with shaft diameter 5…6 mm.

Frequently asked questions

What compliance documentation is available for this relay?

The part has a substance prohibition date of 10/01/2009, indicating RoHS compliance. Further documentation (REACH, UL, IEC) is typically available from the manufacturer, but not specified in this listing.