Circuit Breaker, B Series, 40A, 1 Pole, 277V AC, 1.5kA at 120/240V AC, C Curve MPN:BA1-B0-34-640-521-E
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In Stock
Free Shipping
In Stock
SKU
510-G4173373
Circuit Breaker, B Series, 40A, 1 Pole, 277V AC, 1.5kA at 120/240V AC, C Curve
This B Series 40A circuit breaker from Carling is a reliable and efficient solution for protecting electrical circuits in a variety of applications, including commercial and industrial settings. With a 277V AC rating and 1.5kA at 120/240V AC, it provides maximum protection against overloads and short circuits. The panel mount design allows for easy installation and the magnetic actuator ensures a smooth and reliable operation. Suitable for use in single-phase systems, this circuit breaker is an ideal choice for applications such as lighting, HVAC, and power distribution. Its compact size and durable construction make it a valuable addition to any electrical panel.
Top product features:
- 1 Pole operation allows for single-phase circuit protection.
- Magnetic actuation provides a toggle switch operation for on/off control.
- C Curve medium trip characteristic offers a balance between sensitivity and resistance to nuisance tripping.
Top product applications:
- Residential electrical panels
- Commercial electrical panels
- Industrial electrical panels
Panel Mount Circuit Breaker, Amps 40 A, AC Voltage Rating 277V AC, Terminal Connection #10-32 Screw, DC Voltage Rating 80V DC, Magnetic, Number of Poles 1, Circuit Breaker Actuator Toggle, Max. AIR Rating 1.5kA at 120/240V AC, Curve Type Medium, Phase Single, Mounting Type Threaded Insert, Actuator Color Black, Actuator Legend I/O, On/Off, Panel Cutout Size 2.187 in x 0.770 in, Max. Panel Thickness 0.1 in, Mounting Hole Thread Size #6-32, Max. Wire Size Not Specified, Length 2 in, Width 0.75 in
Additional Information
- Country of Origin: MX
- Drop Ship Item: No
- Blind Ship Eligible: No
- LTL Freight Required: No
- Lead Time: Ships in 1 days
- Minimum Order Quantity: 1
- Unit of Measure: EA
- Package Length: 2.60
- Package Width: 0.90
- Package Height: 3.70
- Package Weight: 0.15
Product info last updated on February 26, 2026 3:24am UTC
Category: Circuit Protection