Siemens 3RT1034-1BB40

Siemens 3RT1034-1BB40 | SIRIUS 3-Pole Contactor

Overview

The Siemens 3RT1034-1BB40 is a 3-pole power contactor from the SIRIUS series, designed for switching motors and industrial loads up to 40 A (AC-3 utilization category). It features a 24V DC coil and is housed in a size S2 frame with screw terminals for secure and easy wiring.

Key Features

• Rated Current (AC-3): 40 A

• Motor Rating: Up to 18.5 kW @ 400V

• Coil Voltage: 24V DC

• Poles: 3 NO main contacts

• Auxiliary Contacts: Optional add-ons available

• Utilization Category: AC-3 / AC-1

• Contactor Size: S2

• Terminal Type: Screw terminals

• Mounting: DIN rail or panel mounting

• Mechanical Life: Over 10 million operations

• Electrical Life: Over 1 million operations (AC-3)

Technical Specifications

• Catalog Number: 3RT1034-1BB40

• Rated Insulation Voltage (Ui): 690V

• Impulse Withstand Voltage (Uimp): 6 kV

• Ambient Temperature Range: -25°C to +60°C

• Protection Class: IP20 (higher with enclosure)

• Standards: IEC 60947-4-1, UL, CSA

• Country of Origin: Germany

Applications

• Industrial Motor Control

• Pumps and Compressors

• HVAC Systems

• Material Handling Equipment

• Automation Panels

Why Choose the 3RT1034-1BB40?

• High Switching Capacity: Up to 40 A for demanding applications

• Reliable Performance: Proven Siemens durability and quality

• Easy Integration: Compatible with SIRIUS accessories and overload relays

• Compact & Efficient: Space-saving size S2 frame

• Flexible Mounting Options: DIN rail or screw mounting

Order Now

In stock and ready to ship worldwide.