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Siemens 3WL Air Circuit Breakers
Siemens 3WL Air Circuit Breakers - Image 2

Siemens 3WL Air Circuit Breakers

Part Number: 3WL1106-2BB36-1AA0 / 3WL1212-3BB36-1AA0 / 3WL1216-3BB36-1AA0 / 3WL1220-3BB46-1AA0
Manufacturer: Siemens
Model: Sentron 3WL
Frame Current Range: 630-6300A
Breaking Capacity: 55-150kA (at 415VAC)
Trip Unit Model: Electronic (ETU15B, ETU25B, ETU27B, ETU45B, ETU76B)
Rated Current of Trip Unit: 630-6300A
Number of Poles: 3P, 4P

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Product Description

The Siemens Sentron 3WL Air Circuit Breaker is a high-performance solution for low-voltage power distribution up to 6300A. Designed for industrial, commercial, and infrastructure applications, it ensures reliable protection against short circuits, overloads, and ground faults. With advanced electronic trip units and communication capabilities, the 3WL enhances system transparency and energy efficiency, making it ideal for modern, automated power systems.

Supply Advantage & Procurement Notes

The Siemens 3WL series has been discontinued, with the 3WA series officially recommended as the replacement solution.

However, the replacement process involves complex parameter matching and accessory configuration, making accurate selection difficult without professional support.

Through our direct coordination with Siemens factory resources, we can provide professional model selection guidance and generate detailed datasheets for customer confirmation before ordering.

3WL to 3WA Replacement Professional Configuration Support Datasheet Confirmation

Standard Features

  • Current Range: 630-6300A for high-power applications

  • High Breaking Capacity: Up to 150kA at 415VAC for robust protection

  • Electronic Trip Units: Configurable ETU options for precise protection and monitoring

  • Communication Integration: Supports Modbus, PROFIBUS, and CubicleBUS for real-time data and control

  • Modular Design: Uniform accessories across sizes for easy planning and retrofitting

  • Global Standards: Complies with IEC 60947-2 and UL 489 for AC applications up to 1150V

  • Flexible Installation: Available in fixed-mounted or withdrawable versions

Technical Specifications

ModelRated Current (A)PolesBreaking Capacity (kA at 415VAC)
3WL1106-2BB36-1AA06303P66
3WL1108-2BB36-1AA08003P66
3WL1110-2BB46-1AA010004P66
3WL1212-3BB36-1AA012503P100
3WL1216-3BB36-1AA016003P100
3WL1220-3BB46-1AA020004P100
3WL1225-4BB36-1AA025003P100
3WL1232-4BB36-1AA032003P100
3WL1340-4BB46-1AA040004P150
3WL1350-4BB36-1AA050003P150

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