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Exactly what we needed for a shutdown replacement. No surprises.
Plant · Shutdown
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Circuit Breaker
Square D | QH320 | Circuit Breaker | 20A | 3-Pole | 240V | Plug-In
| Amperes | 20 |
| Poles | 3 |
| Voltage | 240 |
| Product Type | Circuit Breaker |
Regular price
$510.00
Sale price
$510.00
Regular price
Unit price
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Seamless online shopping experience guaranteed with easy shipping and returns policy.
Shop with Confidence: Our Products come with a Reliable Year-Long Warranty.
Square D | QH320 | Circuit Breaker | 20A | 3-Pole | 240V | Plug-In
Regular price
$510.00
Sale price
$510.00
Regular price
Unit price
Product description
Shipping
Meet the Square D QH320 circuit breaker — a precise 20-amp, 3-pole, 240-volt plug-in unit designed for maintenance, retrofit, and replacement in compatible Square D panels. With matching specs, it ensures reliable protection for 3-phase 240V circuits while preserving the familiar QH family form factor you trust.
Key reasons to choose the QH320
- Exact specification: 20A, 3-Pole, 240V, Plug-In design for quick replacement.
- Plug-in convenience: Fast, tool-assisted installation into compatible Square D panels that accept QH-series breakers.
- Clear compatibility reference: Part number QH320 is the most reliable reference when selecting a replacement or retrofit piece.
Practical use cases
- Maintenance swaps to restore protected circuits after a fault or failure.
- Retrofits that upgrade 3-phase equipment on 240V systems without changing the panel family.
- Spare part for facilities standardizing on Square D QH-style breakers to minimize downtime.
Important ordering note
Confirm fit and ratings before ordering. The part number QH320 is your best reference for compatibility with your panel.
Technical snapshot
- Amperage: 20A
- Poles: 3-Pole
- Voltage: 240V
- Type: Plug-In
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What Our Customers Say
General feedback we often hear from customers purchasing industrial electrical parts.
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Looks and feels like a proper industrial-grade part. Works as expected.
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