Leviton LB245-ST Circuit Breaker

Product Overview

The Leviton LB245-ST is a 2-pole, 45-amp thermal-magnetic circuit breaker with a 10 kA interrupting rating designed for use in residential, commercial, and industrial electrical distribution.

This SKU (LB245-ST) is a genuine Leviton product offered as a single unit; it ships as one EA and weighs approximately 4.75 lb.

Key Features

• 2-pole thermal-magnetic protection — common-trip design for 240 V circuits
• 45 ampere continuous rating
• 10 kA interrupting rating (10,000 A)
• Factory Leviton part LB245-ST, UPC 07847718756

Function and basic description

The LB245-ST is a 2-pole thermal-magnetic circuit breaker that provides overcurrent protection for 240 V circuits by combining thermal (overload) and magnetic (short-circuit) trip mechanisms. It is intended to protect branch circuits and connected equipment from overcurrent conditions.

Electrical ratings and performance

Key electrical ratings define suitability for a given panel and load.

• Poles: 2-pole (common-trip for multi-wire 240 V circuits)
• Continuous rating: 45 A
• Interrupting rating: 10 kA (10,000 A)

Typical applications

This breaker is specified for use in residential, commercial, and industrial electrical distribution where a 2-pole 45 A thermal-magnetic protector with a 10 kA interrupting capacity is required.

Model details and physical data

Confirm identifying information to ensure you order the exact Leviton part required for your installation.

• Brand: Leviton
• Model / Item #: LB245-ST
• UPC: 07847718756
• Unit of measure: EA
• Approximate weight: 4.75 lb

Before You Order

Confirm the model number and quantity required before ordering. Verify that a 2-pole, 45 A, 10 kA thermal-magnetic breaker is compatible with the panel manufacturer, panel model, and local electrical code requirements for your installation.

• Match LB245-ST to your panel type and bus/clip configuration.
• Confirm required trip characteristics and interrupting rating for your service equipment.
• Consult a licensed electrician if you are unsure about compatibility or installation requirements.

Ordering from Lumera Electric

Check the purchasing options shown on the Lumera Electric product page for Leviton LB245-ST Circuit Breaker. For project quantities or additional ordering requirements, use Request a Quote and provide the required quantity.