Siemens 3RU1126-4CB0 Thermal Overload Relay 11 kW (17-22 A)

Product Description

Siemens 3RU1126-4CB0 is a Sirius thermal bimetallic overload relay that protects three-phase motors with an adjustable 17–22 A setting range. It is a Class 10, Size S0 device rated for up to 690 VAC and 11 kW, with three poles and one normally open plus one normally closed auxiliary contact. It provides screw terminals, manual or automatic reset, phase failure sensitivity, a TEST function and an integrated sealable cover.

• Adjustable 17–22 A range; Class 10, Size S0 thermal bimetallic design for motor overload protection
• Three-pole configuration with 1 NO and 1 NC auxiliary contact; rated to 690 VAC and 11 kW
• Screw terminals, manual/automatic reset, TEST function, STOP button, switching position indication and phase failure sensitivity

Product Highlights

IEC/UL/CSA-rated Sirius overload relay, direct-mount compatible with 3RT1 contactors, for motor protection and phase-failure detection

Product Information

Standard Information

• Brand: SIEMENS
• Manufacturer Part Number: 3RU1126-4CB0

Technical Specifications

• Brand: Siemens
• Manufacturer: Siemens
• Manufacturer Part Number: 3RU1126-4CB0
• Series: Sirius
• Type: Thermal bimetallic overload relay
• Category: Overload Relays
• Class: Class 10
• Frame Size: S0
• Ampere Range: 17 - 22 A
• Rated Voltage: 690 VAC
• Power Rating: 11 kW
• Number of Poles: 3
• Auxiliary Contacts: 1 NO, 1 NC
• Terminal Type: Screw terminals
• Reset Type: Manual or automatic reset
• Protection: Overload, phase asymmetry, phase failure
• Functions: TEST function, STOP button, switching position indication, phase failure sensitivity
• Mounting / Compatible Contactors: Direct mounting to 3RT1 contactors; compatible with 3RT1023, 3RT1024, 3RT1025, 3RT1026
• Wire Size: 20-16 / 18-14 AWG
• Operating Temperature: -20 to 70 °C ambient
• Surge Rating: 6 kV
• Standards / Certifications: IEC, UL, CSA
• Dimensions: 1.929 x 4.016 x 4.016 inches (H x W x D)
• Weight: 0.397 lb
• GTIN: 04011209299610
• 12-Digit UPC: 754554412412