| Manufacturer part number (MPN) | 3RB3046-2XB0 EAN / GTIN: 4047621011998 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 General technical data — per pole: 1.53 W Insulation voltage with degree of pollution 3 at AC rated value: 1 000 V Surge voltage resistance rated value: 8 kV Shock resistance: 8 g / 11 ms Vibration resistance: 1 … 6 Hz, 15 mm; 6 … 500 Hz, 20 m/s²; 10 cycles Thermal current: 115 A Recovery time after overload trip — with automatic reset typical: 3 min 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 500 V at 50 Hz: 22 ... 75 kW Operating power — for AC motors at 690 V at 50 Hz: 30 ... 90 kW Design of the auxiliary switch: integrated Number of NC contacts for auxiliary contacts: 1 Number of NO contacts for auxiliary contacts: 1 Trip class: CLASS 20E 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 Type of electrical connection for main current circuit: screw-type terminals Type of connectable conductor cross-sections for main contacts — solid: 2x (2.5 ... 16 mm²) Type of connectable conductor cross-sections for main contacts — solid or stranded: 1x (2,5 ... 70 mm²), 2x (2,5 ... 50 mm²) Tightening torque — for main contacts with screw-type terminals: 4.5 ... 6 N·m Tightening torque — for auxiliary contacts with screw-type terminals: 0.8 ... 1.2 N·m Protection class IP on the front according to IEC 60529: IP20 Touch protection on the front according to IEC 60529: finger-safe, for vertical contact from the front Display version for switching status: Slide switch 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 20 Type of electrical connection of main circuit: Screw connection Adjustable current range: 32–115 A Reset function input: No Reset function automatic: Yes Country of origin: Czechia |