Siemens 3RU1126-1KB0 Sirius 9-12.5A 3-Pole Thermal Overload Relay for Size S0 Contactors

Product Description

The SIEMENS 3RU1126-1KB0 is a SIRIUS thermal overload relay designed for reliable protection of three-phase motors against overload, phase asymmetry, and phase failure. Suitable for use with Siemens 3RT1 size S0 contactors, it features manual or automatic reset and phase loss sensitivity. Includes a test function for easy operation and maintenance. Provides precise motor protection with an adjustable amperage range and a sealable cover for added security.

• Adjustable amperage range: 9 - 12.5A
• 3-pole design
• Class 10 tripping
• Mounts directly to Siemens 3RT1 size S0 contactors
• Manual or automatic reset

Product Highlights

The SIEMENS 3RU1126-1KB0 thermal overload relay protects three-phase motors with features like adjustable amperage, phase loss sensitivity and direct mounting to contactors.

Product Information

Standard Information

• Brand: SIEMENS
• Manufacturer Part Number: 3RU1126-1KB0

Technical Specifications

• Part Number: 3RU1126-1KB0
• Manufacturer: Siemens
• Brand: Siemens
• Category: Motor Control
• Item Subcategory: Overload Relay
• Family: Sirius
• Type: 3RU11
• Relay Style: Thermal
• Amperage Maximum: 12.5
• Amperage Minimum: 9
• Size: S0
• Integrated auxiliary contacts: NC, NO
• Leads: screw terminals
• Range of overcurrent release settings: 9...12.5A
• Switching capacity: 5.5kW
• Application - series/manufacturer: 3RT10
• Frame Size: S0
• Class: 10
• For Contactor: 3RT1023, 3RT1024, 3RT1025, 3RT1026
• Setting Range Amps: 9 - 12.5