Overview
The Square D 9003 K2F006QA is a rugged rotary cam switch contact block designed for industrial control and automation systems. This 12A 300VAC rated device combines the reliability of cam-operated mechanics with straightforward screw terminal connectivity, making it ideal for machine control panels, process automation, and selector switch assemblies where dependable on-off switching is critical.
Key Features
- Six normally open (6NO) contacts for flexible control logic
- Rotary cam mechanism ensures positive, sealed switching action
- Screw clamp terminals prevent loose connections over thermal cycling
- 300VAC rated voltage with 12A continuous current capacity
- Compact footprint suitable for retrofit or new build-outs
Technical Specifications
The Square D 9003 K2F006QA meets or exceeds industrial duty-cycle standards for AC motor control and auxiliary switching. Its cam-based design guarantees make-before-break contact sequencing in multi-contact applications, critical for safe interlocking and synchronization of motor starters and solenoid coils.
Typical Applications
- Multi-speed motor control panels requiring selector switch logic
- Automated machinery interlocking and safety circuits
- Process equipment mode selection and operational sequencing
- Industrial HVAC and pump starter control
- OEM original equipment manufacturer assemblies and sub-assemblies
Compatibility & Replacements
Compatible With
- Square D Harmony 9000 and 9001 push button control stations
- Rotary selector switch operators and manual control enclosures
- Industrial panel-mounted control systems rated 300VAC or lower
- Standard 30 mm operator mounting bases
Replaces / Drop-In Replacement For
- Verify compatibility with your system integrator before ordering.
Works With
- AC induction motor starters and soft-starter auxiliary inputs
- Solenoid valve and contactor coil interlocking circuits
- PLC discrete input modules and safety relay systems
- Standard industrial control enclosures 300VAC or lower rated










