Eaton Auxiliary Contact for A27/B27 Definite Purpose Starters — Side-Mount, 10A 600V
Add extra control contacts to your Eaton A25, A27, B25, or B27 definite purpose contactor or starter. This side-mounted auxiliary contact snaps onto the side of the device with a standard pressure-plate terminal connection and provides additional normally open (N/O) and/or normally closed (N/C) contacts for signaling, interlocking, sequencing, and HOA (Hand/Off/Auto) control. Choose the contact configuration that matches your control scheme.
Key specifications
- Type: Side-mounted auxiliary contact with pressure-plate terminals
- Contact rating: 10 A at up to 600 V AC
- Compatibility: Eaton/Cutler-Hammer A25, A27, B25, B27 definite purpose contactors and starters (15–75 A devices)
- Contacts: silver-alloy
- Mounting: side mount (left or right depending on device build date)
- Use: control signaling, electrical interlocking, sequencing, status indication
Available configurations
| Part # | Contact configuration | Description |
|---|---|---|
| C320KG1 | 1 N/O | One normally open contact |
| C320KG2 | 1 N/C | One normally closed contact |
| C320KG3 | 1 N/O & 1 N/C | One normally open plus one normally closed contact |
Typical applications
Used on definite purpose motor starters in air compressor, HVAC, pump, and fan control panels to add interlock and signaling contacts. A 1 N/O & 1 N/C contact (C320KG3) is the recommended pairing when adding a Hand/Off/Auto selector switch to A27 and B27 starters.
Genuine Eaton (Cutler-Hammer) auxiliary contacts rated 10 A / 600 V AC for A25, A27, B25, and B27 definite purpose contactors and starters — available in 1 N/O, 1 N/C, and 1 N/O & 1 N/C configurations.
NOTE: Actual product may be different from pictured!
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