Q21515CT2 - Siemens 15A 2-Pole 120/240V QT Quadplex Circuit Breaker 10kA Interrupt Rating

Product Overview

The Q21515CT2 is a Siemens 15 amp, 2‑pole QT quadplex circuit breaker designed for 120/240V residential and light commercial load centers that accept QT quadplex modules.

This breaker carries a 10 kA interrupting rating and is sold as part number Q21515CT2 (new condition). Confirm panel compatibility and quantity before ordering.

Key Features

• Siemens part number Q21515CT2 — 15A, 2‑pole
• 120/240V nominal voltage rating
• QT quadplex housing form factor for compatible Siemens panels
• 10 kA interrupting rating (10,000 A)
• New condition — single SKU configuration

What this breaker does

The Q21515CT2 is a 2‑pole circuit breaker rated at 15 amps per pole for use on 120/240V circuits. It provides overcurrent protection for branch circuits and is configured in a QT quadplex package intended for panels that accept quadplex modules.

• Protects two hot conductors (2‑pole) on 120/240V branch circuits
• Designed for use where a compact quadplex breaker form is required

Electrical ratings and interrupting capacity

Use the Q21515CT2 when a 15A, 2‑pole circuit breaker with a 10,000 amp interrupting rating is required.

• Rated current: 15 A (per pole)
• Voltage: 120/240V
• Interrupting rating: 10 kA (10,000 A)

Panel and form-factor compatibility

The Q21515CT2 uses Siemens' QT quadplex form factor. Confirm the target load center accepts QT quadplex modules and that the panel bus and mounting provisions match Siemens QT style breakers.

• Quadplex (QT) housing — intended for panels that accept QT breakers
• Confirm mechanical fit and bus compatibility with the specific Siemens panel model

Ordering and pre‑purchase checks

Before ordering, verify the exact part number Q21515CT2 and confirm it matches the panel specifications and the quantity needed. This SKU is sold as a single configuration (one variant: Q21515CT2).

• Confirm model number and required quantity before ordering
• Verify panel compatibility (QT quadplex acceptance and bus type)
• Request a quote for pricing and availability

Before You Order

Confirm the model number Q21515CT2 and verify that your load center accepts Siemens QT quadplex breakers. For deployment, ensure the breaker's 15 A rating and 10 kA interrupting capacity meet local code and load requirements.

• Verify panel compatibility (QT quadplex mounting and bus type)
• Confirm the required quantity and exact part number before purchase
• Request a quote for pricing and availability

Ordering from Lumera Electric

Check the purchasing options shown on the Lumera Electric product page for Q21515CT2 - Siemens 15A 2-Pole 120/240V QT Quadplex Circuit Breaker 10kA Interrupt Rating. For project quantities or additional ordering requirements, use Request a Quote and provide the required quantity.