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QO340GFI
The QO340GFI from Schneider Electric's Square D line is a miniature circuit-breaker designed for efficiency and safety. It features a current rating of 40 A and is suitable for use at voltages up to 208Y/120 V AC while providing ground fault protection at 6 mA.
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Technical specifications for QO340GFI
| Manufacturer | Schneider Electric |
|---|---|
| Product Type | Miniature Circuit-Breaker |
| Product Line | Square D |
| Part Number | QO340GFI |
| UPC | 785901979043 |
| Weight | 0.50 lbs (0.23 kg) |
| Current Rating | 40 A |
| Voltage Rating | 208Y/120 V AC |
| Mounting Type | Plug-in |
| Number of Poles | 3P |
| Electrical Connection | Box Lugs |
| Interrupt Rating | 10 kA |
| Tightening Torque | 5 N.m |
| Ambient Rating | 40 °C |
| Wire Size | AWG 12 |
| Number of Panel Spaces | 3 |
| Circuit Breaker Type | Ground Fault Protecting Class A 6 mA |
| Certifications | UL Listed, CSA |
The Schneider Electric QO340GFI is a specialized miniature circuit-breaker designed to offer excellent protection for electrical circuits. Capable of handling a current of 40 A, it operates efficiently within a voltage range of 208Y/120 V AC, making it suitable for a wide range of applications. This device is designed as a plug-in type for straightforward installation and features three poles, enabling its operation in multi-phase systems.
Electrical connections are made via box lugs, ensuring a secure and reliable attachment. Built to withstand significant overcurrent situations, the breaker boasts an interrupt rating of 10 kA. Additionally, it requires a tightening torque of 5 N.m during installation, which is critical for maintaining performance integrity.
The circuit breaker is classified as a ground fault protection device, specifically designed to operate at a sensitivity level of 6 mA. It can perform optimally in environments with an ambient temperature of up to 40 °C.
Weighing in at 0.640 kg, this circuit-breaker has a wire size compatibility of AWG 12 and occupies three panel spaces. Designed for safety and efficiency, the QO340GFI meets industry standards with UL and CSA certifications. Its compact dimensions—105 mm in height, 57 mm in width, and 74 mm in depth — make it an excellent choice for tight spaces.
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