ACB: 3WJ Accessories & Spares For Operating mechanism - 3WJ9111-0AF05

Product Description

Siemens 3WJ ACB Accessories – Operating Mechanism – 3WJ9111-0AF05

The Siemens 3WJ9111-0AF05 is a motorised operating mechanism (spring charging motor accessory) designed for SENTRON 3WJ Air Circuit Breakers (ACB). It enables automatic charging of the breaker closing spring, allowing remote or electrical operation of the ACB for improved control, reliability, and automation in power distribution systems.

This accessory is widely used in main LT panels, PCC/MCC systems, data centers, and industrial power networks where fast and reliable breaker operation is required.

Key Features

• Siemens SENTRON 3WJ series ACB accessory
• Part Number: 3WJ9111-0AF05
• Type: Motorised Operating Mechanism (Spring Charging Motor)
• Control voltage: 110–127V AC / 110–125V DC
• Automatically charges the ACB closing spring
• Enables remote electrical closing operation
• High reliability for frequent switching operations
• Designed for integration with Siemens 3WJ Air Circuit Breakers
• Compact plug-in design for easy installation
• Suitable for automated switchgear systems
• Long mechanical and electrical endurance