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Datasheet generated 2026-10-07
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Siemens S3, EL 3RB3046-1XB0

Siemens · Switchgear & Protection · Overload Relays · Germany · siemens.com
Part Number
3RB3046-1XB0  ·  HS 8536.49
Siemens S3, EL 3RB3046-1XB0

Siemens 3RB3046-1XB0 S3, ELECTRONIC OVERLOAD RELAY FOR motor protection.

Technical Specifications

Manufacturer part number (MPN)3RB3046-1XB0 EAN / GTIN: 4047621011950 Sales unit: pcs Product brand name: SIRIUS Product designation: solid-state overload relay Product type designation: 3RB3 Size of overload relay: S3 Power loss [W] for rated value of the current at AC in hot operating state: 4.6 W Insulation voltage with degree of pollution 3 at AC rated value: 1 000 V Surge voltage resistance rated value: 8 kV Thermal current: 115 A Installation altitude at height above sea level maximum: 2 000 m Ambient temperature — during operation: -25 ... +60 °C Ambient temperature — during storage: -40 ... +80 °C Relative humidity during operation: 10 ... 95 % Number of poles for main current circuit: 3 Adjustable current response value current of the current-dependent overload release: 32 ... 115 A Operating voltage rated value: 1 000 V Operating frequency rated value: 50 ... 60 Hz Operational current rated value: 115 A Operating power — for 3-phase motors at 400 V at 50 Hz: 18.5 ... 55 kW Operating power — for AC motors at 690 V at 50 Hz: 30 ... 90 kW Number of NC contacts for auxiliary contacts: 1 Number of NO contacts for auxiliary contacts: 1 Trip class: CLASS 10E Design of the overload release: electronic Full-load current (FLA) for 3-phase AC motor at 480 V rated value: 115 A Contact rating of auxiliary contacts according to UL: B600 / R300 Mounting position: any Fastening method: Contactor mounting Installation/ mounting/ dimensions — height: 106 mm Installation/ mounting/ dimensions — width: 70 mm Installation/ mounting/ dimensions — depth: 124 mm Installation/ mounting/ dimensions — Net Weight: 0.566 kg Type of electrical connection for main current circuit: screw-type terminals Tightening torque for main contacts with screw-type terminals: 4.5 ... 6 N·m Protection class IP on the front according to IEC 60529: IP20 Mounting method: Direct attachment Width: 70 mm Height: 106 mm Depth: 124 mm Number of auxiliary contacts as normally open contact: 1 Number of auxiliary contacts as normally closed contact: 1 Release class: CLASS 10 Type of electrical connection of main circuit: Screw connection Reset function input: No Reset function automatic: Yes Country of origin: Germany

Properties

MOQ1

Cross-References

Attached Documents