Description
The Square D EDB14020SA is a 1-pole thermal magnetic molded case circuit breaker designed for reliable overcurrent and short-circuit protection in commercial and industrial applications. Rated at 20 amps and 277 VAC, this unit provides a compact, bolt-on connection for secure installation within Square D NF panelboards. Its design ensures safe, consistent performance for lighting, branch, and general-purpose power distribution systems.
Technical Specifications
| Condition |
New/Never Used Surplus |
| Brand |
Square D |
| Category |
Circuit Breaker |
| Part Number |
EDB14020SA |
| Subcategory |
Molded Case Circuit Breaker |
| Series |
EDB |
| Type |
Thermal Magnetic |
| Poles |
1 |
| Phase |
1 |
| Voltage Rating |
277 VAC |
| Amperage Rating |
20 A |
| Interrupting Rating |
18–25 kA at 120/240/277 VAC |
| Connection Type |
Bolt-On |
| Functions |
Long-Time and Instantaneous Trip |
| Trip Method |
Thermal Magnetic |
| Terminal Connection |
Lug |
| Wire Size |
AWG 12–6 (Al), AWG 14–6 (Cu) |
| Temperature Rating |
104°F (40°C) |
| Frame Type |
E-Frame |
| Approvals/Standards |
UL, CSA, IEC, RoHS |
| Mounting Type |
Bolt-On |
| For Use With |
Square D NF Panelboards |
| Country of Origin |
Mexico |
| Weight |
1 lb |
Information About EDB14020SA
The EDB14020SA is part of the Square D EDB Series of molded case circuit breakers, built for dependable protection and efficient integration in panelboard systems. It supports bolt-on installation and features thermal magnetic trip technology, combining long-time and instantaneous trip functions for precise fault response. Designed to meet UL, CSA, and IEC standards, the breaker operates efficiently across a wide temperature range and includes a shunt trip package for remote operation. With a 25 kA interrupting rating and durable E-frame construction, it ensures safe and reliable circuit protection in demanding electrical environments.
Key Features:
- Current Rating: 20 Amps — Supports light to medium branch circuit applications with consistent performance.
- Voltage Rating: 277 VAC — Designed for single-phase power distribution systems.
- Interrupting Capacity: 18–25 kA — Provides high short-circuit protection per UL and IEC standards.
- Thermal Magnetic Protection: Combines overload and short-circuit defense in a compact molded case design.
- Bolt-On Connection: Ensures a secure and reliable mechanical fit within NF panelboards.
- Shunt Trip Function: Allows remote circuit interruption for safety or automation purposes.
- Wide Wire Range: Accepts AWG 12–6 aluminum and AWG 14–6 copper conductors.
- Certified Safety Standards: cULus, IEC, and RoHS compliant for verified electrical safety.
The EDB14020SA delivers the reliability and precision required for commercial electrical systems demanding consistent protection and ease of maintenance.
