3RU1126-1GB0 - Siemens 4.5-6.3A 3-Pole Thermal Overload Relay for Size S0 Contactors Class 10 Trip

3RU1126-1GB0

3RU1126-1GB0 is a Siemens thermal overload relay designed for reliable motor protection in industrial applications. This relay is adjustable from 4.5 to 6.3 amps and features Class 10 tripping for fast response to overloads and phase loss. It is compatible with Siemens 3RT1 size S0 contactors and offers both manual and automatic reset options for flexible operation. The device is equipped with screw terminals for easy installation and can be mounted directly to the contactor or separately using a DIN rail or mounting bracket. Engineered for three-phase and single-phase AC and DC motors, the 3RU1126-1GB0 provides dependable protection against impermissible temperature rises due to overload or phase failure. Its robust design ensures long-term reliability and compatibility with a wide range of motor control setups.

• Adjustable current range: 4.5 to 6.3A
• Class 10 tripping characteristic
• 3-pole configuration
• Manual or automatic reset
• Direct mounting to 3RT1 size S0 contactors
• Screw terminal connections
• Phase loss protection
• Rated for 690 VAC
• Power rating: 6 W
• Operating temperature: -20 to 70°C
• 1 NO and 1 NC auxiliary contacts
• IEC rated

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Specifications

• Part Number: 3RU1126-1GB0
• Manufacturer : Siemens
• Brand : Siemens
• Category : Motor Control
• Item Subcategory : Overload Relay
• Family : Sirius
• Type : 3RU11
• Relay Style : Thermal
• Amperage Maximum : 6.3
• Amperage Minimum : 4.5

Product Data

• GTIN : 04011209299559
• Weight : 0.407