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

3RU1126-1KB0

3RU1126-1KB0 is a Siemens SIRIUS thermal overload relay designed for reliable protection of three-phase motors against overload, phase asymmetry, and phase failure. This device is suitable for use with Siemens 3RT1 size S0 contactors and features manual or automatic reset, phase loss sensitivity, and a test function for easy operation and maintenance. The 3RU1126-1KB0 provides precise motor protection with an adjustable amperage range and includes a sealable cover for added security. It is built for direct mounting to compatible contactors and offers clear switching position indication for improved monitoring.

• Adjustable amperage range: 9 – 12.5A
• 3-pole design
• Class 10 tripping
• Mounts directly to Siemens 3RT1 size S0 contactors
• Manual or automatic reset
• Phase loss sensitivity
• Integrated, sealable cover
• Switching position indication
• Test function and STOP button
• 1NO 1NC auxiliary contacts
• 690 VAC rated
• IP20 enclosure

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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

Product Data

• UPC : 754554412382
• GTIN : 04011209299580
• Weight : 0.418