Description
The Cutler Hammer-Eaton C320KGT3 is a top-mounted auxiliary contact block engineered for reliable add-on control signaling across a broad range of NEMA and IEC-rated contactors and starters. Featuring one normally open (NO) and one normally closed (NC) contact configuration, this auxiliary contact provides essential status feedback and interlocking capability for motor control circuits in commercial and industrial HVAC applications.
Key Features
- One normally open (NO) and one normally closed (NC) contact configuration
- Top-mounted design for easy installation on existing contactors and starters
- Compatible with NEMA sizes 00 through 2
- Compatible with IEC sizes A through K
- Compatible with definite purpose contactors rated 15 to 75 amps
- Provides reliable auxiliary signaling for control and interlocking circuits
- Eaton/Cutler-Hammer quality construction for long service life
Compatibility
- NEMA Sizes: 00, 0, 1, 2
- IEC Sizes: A, B, C, D, E, F, G, H, J, K
- Definite Purpose Contactors: 15–75 Amps
Applications
- Commercial HVAC motor control panels
- Compressor and fan motor starters
- Industrial motor control centers (MCCs)
- Control circuit interlocking and status indication
- Building automation and electrical control systems
The C320KGT3 is the ideal solution when you need to expand the switching capability of your existing Cutler Hammer-Eaton contactor or starter without replacing the entire unit. Its top-mount form factor simplifies retrofits and new installations alike, making it a go-to auxiliary contact block for HVAC and electrical contractors.







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