Dayton Supplementary Protector: 6 A Amps, 5kA at 277V AC, Screw Clamp, NDB2-63
The DAYTON IEC Supplementary Protector (SKU 5ZUW1) is a B-Curve, 1-Pole UL1077 DIN Rail-Mount supplementary protector rated at 6 A Amps. It features a Max. AIR Rating of 5kA at 277V AC, an AC Voltage Rating of 277V…
SKU 3G-OTH-20325
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Product Description
The DAYTON IEC Supplementary Protector (SKU 5ZUW1) is a B-Curve, 1-Pole UL1077 DIN Rail-Mount supplementary protector rated at 6 A Amps. It features a Max. AIR Rating of 5kA at 277V AC, an AC Voltage Rating of 277V AC, and a Screw Clamp terminal connection. This unit is part of the NDB2-63 series and is not rated for DC voltage.
Frequently Asked Questions
What is the DAYTON IEC Supplementary Protector 5ZUW1 used for?
The DAYTON IEC Supplementary Protector 5ZUW1 protects branch circuits and equipment from overcurrents and short circuits in industrial control panels. It is commonly applied in motor control centers, lighting panels, and HVAC systems where UL1077-listed supplementary protection is required.
What are the specifications of the DAYTON 5ZUW1 supplementary protector?
The DAYTON 5ZUW1 is a B-Curve, 1-pole supplementary protector rated at 6 A Amps with a max. AIR rating of 5kA at 277V AC. It features a screw clamp terminal connection, AC voltage rating of 277V AC, and is part of the NDB2-63 series. It is not rated for DC voltage.
Where to buy the DAYTON 5ZUW1 supplementary protector worldwide?
3G Electric supplies the DAYTON 5ZUW1 supplementary protector to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this NDB2-63 series unit.
How to select the correct curve type for a supplementary protector?
Selecting the correct curve type depends on the load characteristics. A B-curve, like the DAYTON 5ZUW1, trips between 3-5 times rated current, making it suitable for resistive or lighting loads with low inrush. For motor or transformer loads with higher inrush, consider C or D curves.
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3G Electric supplies Dayton 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.













