Description
The Schneider Electric (Square D) 9999SX8 is an auxiliary contact kit designed to expand the switching capability of compatible Square D motor starters and contactors. Featuring a 1 Normally Open (1NO) and 1 Normally Closed (1NC) contact configuration, this kit allows technicians and controls engineers to add supplemental control circuit contacts to existing starter assemblies — without replacing the entire unit.
Key Features
- 1NO/1NC auxiliary contact configuration for versatile control circuit integration
- Designed for use with compatible Square D / Schneider Electric motor starters and contactors
- Add-on kit format simplifies field installation and retrofitting
- Engineered to Schneider Electric quality and reliability standards
- Ideal for HVAC, industrial, and commercial electrical control applications
Application
Auxiliary contacts are essential in motor control circuits for interlocking, status indication, and control sequencing. The 9999SX8 kit provides a straightforward solution for expanding the contact capacity of your existing Square D starter without requiring a full unit replacement. This makes it a cost-effective choice for maintenance, repair, and upgrade projects in HVAC mechanical rooms, commercial buildings, and light industrial environments.
Why Choose the Square D 9999SX8?
- OEM-quality auxiliary contacts ensure proper fit and reliable performance
- Supports both normally open and normally closed control functions in a single kit
- Reduces downtime with a fast, tool-friendly installation process
- Backed by Schneider Electric’s global engineering expertise
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