3RU1126-1CD0 - Siemens Thermal Overload Relay 1.8-2.5A Size S0 Class 10 Motor Protection

3RU1126-1CD0

3RU1126-1CD0 is a Siemens thermal overload relay designed for motor protection with an adjustable current range of 1.8 to 2.5 amps.

This overload relay is part of the Siemens Sirius series, size S0, and features Class 10 tripping characteristics. It mounts directly to Siemens 3RT size S0 contactors using screw terminals for the main circuit and spring-type terminals for the auxiliary circuit. The relay provides protection for three-phase motors with a rated operational voltage up to 690V AC and includes manual and automatic reset options. It has one normally open and one normally closed auxiliary contact and offers phase failure sensitivity. The device is rated IP20 for degree of protection and supports vertical mounting with rotation and tilt adjustments.

• Adjustable current range: 1.8-2.5 A
• Size: S0 (contactor mounting)
• Trip class: 10
• Rated operational voltage: 690 V AC
• Mounting type: Contactor mounting with screw terminals
• Auxiliary contacts: 1 NO + 1 NC
• Degree of protection: IP20
• Phase failure sensitive
• Manual and automatic reset
• Test and stop functions included
• Suitable for three-phase motor protection

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Specifications

• Part Number: 3RU1126-1CD0
• Manufacturer : Siemens
• Brand : Siemens
• Category : Motor Control
• Item Subcategory : Overload Relay
• Family : Sirius
• Type : 3RU11
• Relay Style : Thermal
• Amperage Maximum : 2.5
• Amperage Minimum : 1.8

Product Data

• GTIN : 04011209303645
• Weight : 0.4026