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EDB34040SA
EDB34040SA

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EDB34040SA Specifications
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EDB34040SA, Square D, Schneider Electric, EDB Series, type EDB, 3P, 3PH, 40A, 277/480V, 18kA@480V, complete with 120V shunt trip, standard interrupting capacity, 40°C, Bolt-On, Thermal Magnetic, molded case circuit breakers
| Manufacturer | Square D | Subcategory | Molded Case |
| Family | EDB Series | Amperage | 40 |
| Voltage | 480 | Poles | 3 |
| Manufacturer | Square D | ||
| Subcategory | Molded Case | ||
| Family | EDB Series | ||
| Amperage | 40 | ||
| Voltage | 480 | ||
| Poles | 3 |
Electrical.com is NOT an authorized distributor for Square D and therefore the manufacturer’s warranty does not apply. This product does include an Electrical.com 2 year warranty.



The Square D EDB34040SA is a 3-pole, 40A molded case circuit breaker engineered for commercial and industrial power distribution systems. Operating at 480Y/277 VAC, it features a Bolt-On mounting configuration, making it compatible with Square D NF panelboards. The breaker incorporates a Thermal Magnetic trip unit providing LI - Long-Time and Instantaneous protection against overloads and short circuits. The EDB34040SA includes a 120V shunt trip.
With an interrupting rating of 18kA@480V, the EDB34040SA ensures reliable performance in high-fault current environments. It accommodates wire sizes ranging from AWG 14 to AWG 6 for copper conductors and AWG 12 to AWG 6 for aluminum conductors. The breaker is UL and CSA listed, HID and HACR rated, and calibrated for 40°C ambient conditions, ensuring compliance with industry standards and suitability for various applications.
Electrical.com offers the EDB34040SA along with a comprehensive selection of Square D and Schneider Electric circuit breakers and parts. Our experienced sales team is available to assist with product selection and technical inquiries to ensure you find the right solution for your power distribution needs.