EATON Supplementary Protector: 40 A Amps, 48V DC, 15kA at 240/415V AC, Lug, FAZ
The EATON FAZ-B40/1-SP is a B-curve, 1-pole UL1077 DIN rail-mount supplementary protector rated for 40 A. It supports AC voltages up to 277/480V AC and DC voltages up to 48V DC, with a maximum AIR rating of 15kA at…
SKU 3G-OTH-20599
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Product Description
The EATON FAZ-B40/1-SP is a B-curve, 1-pole UL1077 DIN rail-mount supplementary protector rated for 40 A. It supports AC voltages up to 277/480V AC and DC voltages up to 48V DC, with a maximum AIR rating of 15kA at 240/415V AC. The unit features lug terminal connections and is part of the FAZ series.
Frequently Asked Questions
What is the EATON FAZ-B40/1-SP supplementary protector used for?
The EATON FAZ-B40/1-SP is a B-curve, 1-pole UL1077 DIN rail-mount supplementary protector rated for 40 A. It protects branch circuits and equipment against overloads and short circuits in industrial control panels, HVAC systems, and lighting applications up to 277/480V AC or 48V DC.
What are the specifications of the EATON FAZ-B40/1-SP?
The EATON FAZ-B40/1-SP has a 40 A rating, B-curve trip characteristic, AC voltage rating of 277/480V AC, DC voltage rating of 48V DC, and a maximum AIR rating of 15kA at 240/415V AC. It uses lug terminal connections and is part of the FAZ series.
Where to buy the EATON FAZ-B40/1-SP worldwide?
You can source the EATON FAZ-B40/1-SP from 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time on this supplementary protector.
How to select the right EATON FAZ supplementary protector?
Select the EATON FAZ supplementary protector based on your circuit's current rating (e.g., 40 A), voltage (AC up to 277/480V or DC up to 48V), and curve type. B-curve suits resistive loads. Ensure the interrupting rating (15kA at 240/415V AC) exceeds available fault current. Always follow local electrical codes.
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3G Electric supplies EATON b-curve, 1-pole ul1077 din rail-mount supplementary protectors. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.














