Dayton Supplementary Protector: 2 A Amps, 5kA at 277V AC, Screw Clamp, NDB2-63
The DAYTON IEC Supplementary Protector (SKU 5ZUV9) is a B-curve, 1-pole UL1077 DIN rail-mount supplementary protector from the NDB2-63 series, rated at 2 A amps. It features a maximum AIR rating of 5kA at 277V AC, an…
SKU 3G-OTH-20208
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Product Description
The DAYTON IEC Supplementary Protector (SKU 5ZUV9) is a B-curve, 1-pole UL1077 DIN rail-mount supplementary protector from the NDB2-63 series, rated at 2 A amps. It features a maximum AIR rating of 5kA at 277V AC, an AC voltage rating of 277V AC, and screw clamp terminals; it is not rated for DC voltage.
Frequently Asked Questions
What is the DAYTON IEC Supplementary Protector 5ZUV9 used for?
The DAYTON IEC Supplementary Protector 5ZUV9 is used for overcurrent protection in industrial control panels, HVAC equipment, and lighting circuits. It is a B-curve, 1-pole UL1077 DIN rail-mount device rated at 2 A amps, suitable for resistive and light inductive loads where short-circuit protection up to 5kA at 277V AC is required.
What are the specifications of the DAYTON 5ZUV9 supplementary protector?
The DAYTON 5ZUV9 is a B-curve, 1-pole supplementary protector from the NDB2-63 series. It has a 2 A amp rating, a maximum AIR rating of 5kA at 277V AC, and an AC voltage rating of 277V AC. Terminal connection is screw clamp; DC voltage rating is not rated. It is UL1077 listed for DIN rail mounting.
Where to buy the DAYTON 5ZUV9 supplementary protector worldwide?
You can source the DAYTON 5ZUV9 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; we provide competitive pricing and reliable sourcing for this NDB2-63 series protector.
How to install the DAYTON 5ZUV9 supplementary protector on a DIN rail?
To install the DAYTON 5ZUV9, snap it onto a standard 35 mm DIN rail. Ensure the rail is clean and the protector clips engage firmly. Connect wires using the screw clamp terminals, tightening to the manufacturer's recommended torque. Verify the circuit is de-energized before installation. This B-curve device is for overcurrent protection only.
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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.













