Description
Siemens 49AB20 Auxiliary Contact Kit Overview
The Siemens 49AB20 is a 2 N/O (Normally Open) Auxiliary Contact Kit designed to expand the switching capability of compatible Siemens motor starters and contactors. This add-on contact block integrates directly onto the contactor or starter body, providing additional control circuit contacts for interlocking, status indication, and sequencing applications — without requiring a separate relay or additional panel space.
Key Features
- 2 Normally Open (N/O) auxiliary contact configuration
- Designed for use with compatible Siemens motor starters and contactors
- Snap-on or bolt-on installation for quick, tool-minimal assembly
- Expands control circuit capability for interlocking and status signaling
- Compact design mounts directly to the contactor or starter body
- Siemens quality construction for reliable, long-service-life performance
Common Applications
- HVAC motor starter control circuits
- Electrical interlocking between starters and contactors
- Run/status indication wiring
- Building automation and commercial control panel wiring
- Industrial and commercial HVAC equipment
Why Choose Siemens Auxiliary Contacts
Siemens auxiliary contact kits are engineered to match the exact mechanical and electrical specifications of Siemens starters and contactors, ensuring a secure fit and dependable operation. Using OEM-matched accessories like the 49AB20 helps maintain system integrity, simplifies troubleshooting, and reduces the risk of contact misalignment or premature wear.
Product Details
- SKU: 49AB20
- Brand: Siemens
- Contact Type: 2 N/O (Normally Open)
- Product Type: Auxiliary Contact Kit / Add-On Contact Block
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