Eaton DNBA2020 | 20A/20A 2-Pole BAB Thermal Magnetic Circuit Breaker

Main Description:

The Eaton DNBA2020 is a BAB-series thermal magnetic circuit breaker designed for dependable protection in residential, commercial, and light industrial electrical systems. Rated at 20/20 amps and configured with two single-pole circuits, this duplex breaker provides consistent overcurrent and short-circuit protection. With a 10 kAIC interrupting capacity and compatibility with #14–#4 AWG conductors, the DNBA2020 offers flexible installation and reliable performance in standard 120/240-volt applications.

Technical Overview:

• Manufacturer: Eaton

• Brand: Cutler-Hammer

• Part Number: DNBA2020

• Category: Circuit Breaker

• Subcategory: Molded Case Circuit Breaker – Duplex

• Condition: New/Never Used Surplus

• Breaker Type: Thermal Magnetic

• Series: BAB

• Number of Circuits: 2× Single-Pole

• Poles: 2

• Amperage Rating: 20/20 Amps

• Voltage Rating: 120/240 V

• Interrupting Capacity: 10 kAIC

• Conductor Range: #14 to #4 AWG

• Application: Residential, Commercial, General Circuit Protection

• Trip Technology: Thermal Magnetic

Key Features:

• Duplex 2× single-pole configuration with 20/20-amp protection

• Thermal magnetic trip for dependable overload and short-circuit response

• Rated for 120/240-volt electrical systems

• Compatible with a wide wire range (#14–#4 AWG)

• Suitable for residential, commercial, and general-purpose installations