Siemens 49AB11 Auxiliary Contact Block – 49 Series – NO/NC Contactor & Motor Starter Accessory

The Siemens 49AB11 is an auxiliary contact block designed for use with 49 Series contactors and motor starters. It provides additional normally open (NO) and normally closed (NC) contact functionality, enabling enhanced control, signaling, and interlocking capabilities in industrial motor control circuits. This accessory is commonly used to expand the control logic of contactors in automation and motor starter applications.

The 49AB11 auxiliary contact improves system flexibility by allowing feedback signals to PLCs, control panels, and monitoring devices, ensuring accurate status indication and safer control operations.

Key Specifications

• Product Type: Auxiliary Contact Block
• Part Number: 49AB11
• Manufacturer: Siemens
• Series: 49 Series
• Type: Contactor / Motor Starter Auxiliary Accessory
• Contact Configuration: NO/NC (Normally Open / Normally Closed)
• Unit Type: Each (EA)

Technical Specifications

• Function: Expands contactor functionality with additional auxiliary switching contacts
• Application Suitability: Motor control circuits, industrial automation systems, and control panels
• Integration: Designed for use with Siemens 49 Series contactors and motor starters
• Operation: Mechanical linkage with main contactor for synchronized switching
• Control Use: Status indication, interlocking, and control logic expansion

Physical Specifications

• Dimensions (H × W × D): 0.465 × 0.465 × 0.154 in
• Weight: 0.09 (unit not specified, typically lb or kg depending on catalog context)

Standards and Approvals

• CSA Approved
• Designed for industrial control applications
• Compliant with standard motor control accessory requirements

Applications

• Motor control centers (MCCs)
• Industrial automation systems
• Control panels and switchgear
• PLC input/output signaling
• Interlocking and safety control circuits
• Motor starter auxiliary signaling

Returns are easy

You may return items within 30 days of delivery for a refund.

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