Product description
20 A, 3-pole magnetic circuit breaker, 240 VAC, associated with Square D/Airpax references.
Specifications and identifiers
Identifying details
| Component type | Circuit breaker Repeated item type. |
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| Rated current | 20 A Repeatedly reported. |
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| Pole count | 3 pole Repeatedly reported. |
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| Reported voltage | 240 VAC, 50/60 Hz Reported in multiple descriptions. |
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| Reported model references | Square D QOB320 / Airpax IELK111-27320-2 Different model/vendor references appear and should be verified. |
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Applications
tool power distributioncontrol cabinet protectionelectrical panel serviceCircuit protection replacementPower distribution maintenance
How it works
A circuit breaker protects electrical circuits from overcurrent and provides a resettable disconnect point.
Breaker ratings, trip curve, pole count, and mounting style must match the tool electrical design.
Technical guide
magnetic_breaker
Magnetic or thermal-magnetic breakers trip on overcurrent; exact trip curve should be verified.
- 3P
- Three pole
- VAC
- Volts AC
What to verify before purchase
- Verify exact vendor/model, trip characteristics, voltage/current rating, pole count, and mounting format.
- Confirm whether Square D QOB320 or Airpax IELK111 is required for the specific tool.
Confirm with the seller
- Exact vendor variant is not fully confirmed because descriptions include multiple maker/model references.
Product reference only. Confirm fitment, revision, included components, and specifications before purchase.