The Square D EDB34020 20A 3-Pole Thermal-Magnetic – Bolt-On – 480Y/277V circuit breaker provides dependable 20 Amp, 3-pole thermal-magnetic protection for commercial and industrial 480Y/277V AC systems. Designed for Square D NF panelboards and lighting panels, this E-Frame breaker offers robust overload and short-circuit protection with a 25 kAIC interrupt rating at 480Y/277V (18 kAIC at 277V AC, 25 kAIC at 240V AC). The bolt-on mounting simplifies installation, and the Visi-Trip indicator allows for fast fault identification. With aluminum/copper lugs supporting conductors up to AWG 2/0, this breaker ensures reliable performance, safety, and compliance with UL, cULus, CSA, HACR, and HID standards for demanding commercial and industrial applications.
Voltage and Rating
- Current Rating: 20 Amps
- Voltage Rating: 480Y/277 Volts AC
- Interrupting Capacity:
- 25 kAIC at 480Y/277V AC
- 18 kAIC at 277V AC
- 25 kAIC at 240V AC
- Frequency: 50/60 Hz
Key Specifications
- Breaker Type: Thermal-Magnetic
- Number of Poles: 3-Pole
- Mounting Type: Bolt-On
- Product Range: E-Frame (for Square D NF panelboards and lighting panels)
- Application: Commercial and industrial branch circuit protection
- Special Features: Visi-Trip indicator
- Ratings: UL Listed, cULus, CSA Certified, HACR Rated, HID Rated
Technical Specifications
- Connection Type: Lugs (aluminum/copper)
- Wire Size:
- Copper: AWG 14–6
- Aluminum: AWG 12–6
- Terminal Tightening Torque: 30.09 lb-in
- Operating Mechanism: Thermal-magnetic
- Interrupt Rating: 25 kAIC at 480Y/277V AC (18 kAIC at 277V AC, 25 kAIC at 240V AC)
- Certifications: UL Listed, cULus, CSA Certified, HACR Rated, HID Rated
Product Data
- Manufacturer: Schneider Electric
- Brand: Square D
- Model Number: EDB34020
- UPC: 785901875246
Dimensions
-
- Height: 5.66 in
- Width: 2.94 in
- Depth: 4.05 in
- Weight: 4 lbs
- Type Circuit Breakers
- Vendor Square D
- Brand Square D
Returns are easy
You may return items within 30 days of delivery for a refund.
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