2 Year Warranty Guaranteed
All items both Re-Certified, and New sold by Essential Electric include a 30 day return policy and a 2-year full warranty. This means that they are guaranteed to be free from defects for a full 2 years from the date that the product was shipped from our warehouse.
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Product Info
- Manufacturer:Siemens
- Sub-Category:Overload Relay
Description
3RU1146-4KB0
3RU1146-4KB0 is a Siemens Sirius thermal overload relay designed for three-phase motor protection with IEC ratings and Class 10 tripping characteristics. This Size S3 relay provides reliable protection against overload, phase asymmetry, and phase failure in industrial motor control applications. The relay features automatic and manual reset options, integrated TEST and STOP functions, and mounts directly to 3RT1044, 3RT1045, or 3RT1046 Siemens contactors. Key Specifications
- Amperage Range: 57 - 75 A adjustable
- Trip Class: Class 10
- Contactor Size: S3
- Mounting Type: Direct mounting to contactor
- Auxiliary Contacts: 1 NO + 1 NC
- Operating Voltage: 1000 V AC maximum
- Main Circuit Connection: Screw-type terminals
- Auxiliary Circuit Connection: Screw-type terminals
- Power Loss: 16.5 W typical
- Insulation Voltage: 1000 V rated
- Surge Voltage Resistance: 8 kV
- Protection Class: IP20
Specifications
- Part Number: 3RU1146-4KB0
- Manufacturer : Siemens
- Brand : Siemens
- Category : Motor Control
- Item Subcategory : Overload Relay
- Family : Sirius
- Type : 3RU11
- Relay Style : Thermal
- Amperage Maximum : 75
- Amperage Minimum : 57
Product Data
- UPC : 075455441258
- GTIN : 00754554412580
- Weight : 1.254
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