BQD320 - Siemens 20 Amp 480 VAC 3 Pole Molded Case Circuit Breaker Thermal Magnetic

Product Overview

The Siemens BQD320 is a molded case circuit breaker with a thermal‑magnetic trip mechanism, specified as 20 A and 480 VAC in a 3‑pole configuration.

This listing covers the single SKU BQD320. Contact Lumera Electric to request a quote for pricing and availability.

Key Features

• Thermal‑magnetic trip mechanism (combined overload and short‑circuit protection)
• 3‑pole configuration for three‑phase circuits
• Rated 20 A and 480 VAC
• Molded case construction

What this breaker does

The BQD320 is a thermal‑magnetic molded case circuit breaker that provides combined overload (thermal) and short‑circuit (magnetic) protection for three‑phase circuits. It interrupts fault currents when tripping thresholds are met to protect wiring and connected equipment.

• Disconnects all three poles simultaneously on trip to protect three‑phase loads
• Intended for use where a 20 A, 480 VAC, 3‑pole circuit breaker is required

Electrical rating and configuration

This SKU is specified as a 20 A, 3‑pole unit with a 480 VAC rating and a thermal‑magnetic trip type.

• Current rating: 20 A
• Voltage rating: 480 VAC
• Poles: 3
• Trip type: Thermal‑magnetic

Mounting and panel considerations

The BQD320 is a molded case breaker intended for installation in panels or switchgear compatible with Siemens molded case breakers. Physical mounting style, panel cutout, and bus/terminal compatibility vary by panel model and must be confirmed for your equipment.

• Confirm panel and bus compatibility before installation
• Verify terminal type and conductor size compatibility
• Use a qualified electrician and follow applicable electrical codes during installation

Before you order

Confirm the part number BQD320 and that a 20 A, 3‑pole, 480 VAC thermal‑magnetic breaker matches your requirements. Contact Lumera Electric to request a quote for pricing and availability.

• Verify the exact model (BQD320) and required quantity
• Confirm panel compatibility and terminal/conductor requirements with a qualified electrician
• Request a formal quote from Lumera Electric for pricing and availability

Before You Order

Confirm the exact model number (BQD320) and that a 20 A, 3‑pole, 480 VAC thermal‑magnetic breaker meets your application requirements.

• Verify panel compatibility, mounting style, and terminal type
• Confirm conductor sizes and installation requirements with a qualified electrician
• Request a quote from Lumera Electric for pricing and availability

Ordering from Lumera Electric

Check the purchasing options shown on the Lumera Electric product page for BQD320 - Siemens 20 Amp 480 VAC 3 Pole Molded Case Circuit Breaker Thermal Magnetic. For project quantities or additional ordering requirements, use Request a Quote and provide the required quantity.