Dayton Supplementary Protector: 20 A Amps, 7.5kA at 480V AC, Screw Clamp, NDB2-63
The DAYTON IEC Supplementary Protector (SKU 5ZVG0) is a D-Curve, 3-Pole UL1077 DIN Rail-Mount Supplementary Protector rated for 20 A Amps. It features a Max. AIR Rating of 7.5kA at 480V AC, an AC Voltage Rating of…
SKU 3G-OTH-20575
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Product Description
The DAYTON IEC Supplementary Protector (SKU 5ZVG0) is a D-Curve, 3-Pole UL1077 DIN Rail-Mount Supplementary Protector rated for 20 A Amps. It features a Max. AIR Rating of 7.5kA at 480V AC, an AC Voltage Rating of 480V 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 5ZVG0 used for?
The DAYTON IEC Supplementary Protector 5ZVG0 is used to protect industrial control circuits and equipment from overcurrent and short circuits. It is commonly applied in panel building, HVAC, and machinery control systems where a D-curve trip characteristic is needed to handle high inrush loads.
What are the specifications of the DAYTON 5ZVG0 supplementary protector?
The DAYTON 5ZVG0 is a 3-pole, D-curve UL1077 supplementary protector rated at 20 A amps. It has a maximum AIR rating of 7.5 kA at 480 V AC, an AC voltage rating of 480 V AC, and a screw clamp terminal connection. It is part of the NDB2-63 series and is not rated for DC voltage.
Where to buy the DAYTON 5ZVG0 supplementary protector worldwide?
You can source the DAYTON 5ZVG0 supplementary protector through 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 NDB2-63 series unit.
How to select the right DAYTON supplementary protector for an application?
To select the right DAYTON supplementary protector, match the amp rating (20 A for 5ZVG0), voltage rating (480 V AC), and trip curve (D-curve for motor or transformer loads) to your circuit requirements. Ensure the interrupting rating (7.5 kA) exceeds available fault current. Always verify UL1077 listing for supplementary protection.
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3G Electric supplies Dayton d-curve, 3-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.













