SIRIUS Overload Relay – 3RU1146-4LB0

The 3RU1146-4LB0 is a thermal overload relay from the Siemens SIRIUS series, rated for 70 to 90 A and designed for motor protection in industrial applications. Suitable for contactor mounting, this unit features manual and automatic reset modes, with screw terminals on both main and auxiliary circuits.

Specifications

• Rated current range: 70–90 A

• Reset type: Manual / Automatic

• Application: Motor overload protection

• Mounting: Contactor mounting (Size S3)

• Connection type: Screw terminals (Main + Auxiliary)

• Operating class: Class 10

• Lifecycle status: Discontinued (since 01.10.2020)

• Net weight: 0.570 kg

• Packaging dimensions: 76.00 x 112.00 x 131.00 mm

• Country of origin: Germany

• RoHS compliance: Since 01.07.2006

• Export control: ECCN: N / AL: N

• EAN: 4011209300781

• UPC: 754554412597

• Commodity Code: 85364900