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Square D QOB two-pole miniature circuit breaker grey plastic body paddle actuator bolt-on mounting

SQUARE D

SQUARE D QOB220HID Miniature Circuit Breaker 20A 2 Pole 120/240V

SKU CH-RF6E-T8GBW

A 20 A, two-pole miniature circuit breaker rated for 120/240 V AC and 48 V DC, designed for high-intensity discharge loads with a 10 kA interrupting rating

  • Designed for high-intensity discharge loads
  • 20 A rating protects 120/240 V circuits
  • Two-pole bolt-on design fits QO panelboards
  • 10 kA interrupting capacity at 120/240 V AC
  • Compact 3 × 1.5 × 2.9 in frame saves panel space

Application Fit

The Square D QOB220HID is a miniature circuit breaker rated 20 A for single-phase 120/240 V AC systems and 48 V DC. It uses the QOB bolt-on frame and fits Square D QO and NQOD panelboards where a two-pole high-intensity-discharge breaker is required.

Accessory Impact

The pressure-plate terminals accept wire directly without separate lugs, and the paddle actuator provides a clear visual trip indication. No additional software, mounting hardware or configuration tools are included in the package.

Compatibility Check

Verify that the load centre is a Square D QO or NQOD series with available bolt-on slots and that the panel’s interrupting rating meets or exceeds 10 kA at 120/240 V AC. Confirm the circuit calls for a two-pole HID-type breaker before ordering.

Highlights

  • Designed for high-intensity discharge loads
  • 20 A rating protects 120/240 V circuits
  • Two-pole bolt-on design fits QO panelboards
  • 10 kA interrupting capacity at 120/240 V AC
  • Compact 3 × 1.5 × 2.9 in frame saves panel space

Specifications

BrandSQUARE D

Questions about this item

Will the 10 kA interrupting rating ever need to be upgraded during the breaker's service life?

The 10 kA rating is fixed for this QOB unit; if the available fault current at the panel ever exceeds 10 kA, the breaker must be replaced with a higher-rated model.

What is the first limit reached when the 20 A breaker carries full load continuously?

Continuous operation at 20 A is the thermal limit; the device is rated for 100 % of its 20 A handle rating, so sustained loads above 20 A will cause it to trip.

How much heat does the 2-pole 20 A unit add to a QO panel running all day?

Normal heat rise is within the design limits of the 100 A QO frame; the bolt-on pressure-plate terminals and paddle actuator add no extra ventilation requirements.

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