Description
The Schneider Electric (Square D) 9999D20 is a 2 Normally Open (N/O) auxiliary contact block designed to expand the switching and control capabilities of compatible Square D motor starters and contactors. This add-on contact block integrates directly with the starter or contactor body, providing additional control circuit contacts for interlocking, signaling, and status indication applications.
Key Features
- 2 Normally Open (N/O) auxiliary contacts
- Designed for use with Square D Class 8536 and compatible motor starters and contactors
- Snap-on mounting for quick, tool-free installation onto the contactor or starter body
- Suitable for control circuit interlocking, pilot light indication, and remote signaling
- Compact design minimizes panel space requirements
- Durable construction for reliable long-term performance in industrial and commercial HVAC applications
Applications
- Motor starter auxiliary control circuits
- HVAC equipment control panels
- Compressor and fan motor control interlocking
- Status indication and remote monitoring circuits
- Building automation and industrial control systems
Why Choose the Square D 9999D20?
As a genuine Schneider Electric (Square D) replacement and add-on component, the 9999D20 ensures compatibility and reliability with your existing Square D starter and contactor assemblies. Its straightforward snap-on installation minimizes downtime during maintenance or system upgrades, making it a trusted choice for HVAC technicians and electrical contractors alike.
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