QO3201021 - Square D 20 Amp 3 Pole 240V Plug-In Circuit Breaker with Shunt Trip, 10kA Interrupt Rating

Product Overview

The QO3201021 is a Square D QO series 3‑pole, 20 amp, 240V plug‑in circuit breaker with an integral shunt trip and a 10 kA interrupting rating.

Sold new as model QO3201021. Request a quote for pricing and availability.

Key Features

• Manufacturer: Square D
• 3‑pole plug‑in circuit breaker (QO series form factor)
• Rating: 20 A, 240 V
• Shunt trip (remote trip) functionality
• Interrupting rating: 10 kA
• Condition: New

Function and Intended Use

This QO3201021 breaker is a 3‑pole protective device intended to provide overcurrent protection at 240 V. The built‑in shunt trip allows the breaker to be opened remotely when the shunt trip coil is energized.

• Provides common-trip protection for three conductors
• Shunt trip enables remote disconnection when wired to a control circuit

Electrical Ratings and Performance

Key electrical specifications for this model define its operating envelope and fault‑clearing capability.

• Ampere rating: 20 A
• Voltage rating: 240 V
• Interrupting rating: 10 kA

Shunt Trip and Control Interface

The shunt trip provides remote tripping capability. A correctly sized control circuit must be connected to the shunt trip coil to actuate remote trip; consult a qualified electrical professional for wiring and control-voltage requirements.

• Requires appropriate control wiring and voltage to the shunt trip coil
• Integrates with external alarm, safety, or control systems when wired correctly

Panel and Mounting Compatibility

This product uses the QO series plug‑in form factor. Confirm that the target panel or enclosure is designed to accept QO‑style plug‑in breakers before installation.

• Plug‑in mounting compatible with panels that accept Square D QO breakers
• Verify panel model and available spaces match the QO series footprint

Ordering and Pre‑Purchase Checks

Confirm the exact model number, required quantity, and panel compatibility before ordering. Request a quote for pricing and availability.

• Model: QO3201021
• Manufacturer: Square D
• Condition: New

Before You Order

Verify model QO3201021, panel compatibility, and the control wiring requirements for the shunt trip before ordering.

• Confirm the breaker fits your panel (accepts QO plug‑in breakers)
• Confirm control voltage and wiring for the shunt trip with a qualified electrician
• Request a quote for pricing and availability

Ordering from Lumera Electric

Check the purchasing options shown on the Lumera Electric product page for QO3201021 - Square D 20 Amp 3 Pole 240V Plug-In Circuit Breaker with Shunt Trip, 10kA Interrupt Rating. For project quantities or additional ordering requirements, use Request a Quote and provide the required quantity.