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Dayton Supplementary Protector: 50 A Amps, 7.5kA at 480V AC, Screw Clamp, NDB2-63 - B-Curve, 3-Pole UL1077 DIN Rail-Mount Supplementary Protectors
DaytonB-Curve, 3-Pole UL1077 DIN Rail-Mount Supplementary Protectors

Dayton Supplementary Protector: 50 A Amps, 7.5kA at 480V AC, Screw Clamp, NDB2-63

The DAYTON IEC Supplementary Protector (SKU 5ZUU9) is a B-Curve, 3-Pole UL1077 DIN Rail-Mount supplementary protector rated at 50 A Amps. It features a Max. AIR Rating of 7.5kA at 480V AC, an AC Voltage Rating of…

SKU 3G-OTH-19957

Brand
Dayton
Item
Supplementary Protector: 50 A Amps, 7.5kA at 480V AC, Screw Clamp, NDB2-63
Category
B-Curve, 3-Pole UL1077 DIN Rail-Mount Supplementary Protectors
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Technical Specifications

Dayton
Manufacturer Part Number
5ZUU9
Series
NDB2-63
Type
7.5kA at 480V AC, Screw Clamp, NDB2-63
AC
480V
Max. AIR Rating
7.5kA at 480V AC
AC Voltage Rating
480V AC
DC Voltage Rating
Not Rated
Terminal Connection
Screw Clamp
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Dayton Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The DAYTON IEC Supplementary Protector (SKU 5ZUU9) is a B-Curve, 3-Pole UL1077 DIN Rail-Mount supplementary protector rated at 50 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, with no DC Voltage Rating. This unit is part of the NDB2-63 series.

Frequently Asked Questions

What is the DAYTON IEC Supplementary Protector 5ZUU9 used for?

The DAYTON IEC Supplementary Protector 5ZUU9 is used to protect industrial control circuits and equipment from overcurrent and short circuits. It is suitable for DIN-rail mounting in panel boards and machinery, providing reliable supplementary protection in applications up to 480V AC.

What are the specifications of the DAYTON 5ZUU9 supplementary protector?

The DAYTON 5ZUU9 is a B-Curve, 3-Pole UL1077 supplementary protector rated at 50 A Amps. It has a Max. AIR Rating of 7.5kA at 480V AC, an AC Voltage Rating of 480V 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 5ZUU9 supplementary protector worldwide?

You can source the DAYTON 5ZUU9 supplementary protector through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring you receive the correct NDB2-63 series unit for your application.

How to install a DIN-rail supplementary protector like the DAYTON 5ZUU9?

To install the DAYTON 5ZUU9, mount it onto a standard DIN rail by clipping it into place. Connect wires using the Screw Clamp terminals, tightening to the manufacturer's recommended torque. Ensure the circuit is de-energized before installation and follow local electrical codes for supplementary protection.

Used in

Common applications for Dayton
HVAC ventilation — DAYTON centrifugal upblast roof exhaust fans (SKU 7M7U3) for kitchen exhaust systems
Mechanical power transmission — DAYTON HTD timing pulleys (SKU 404GV0) for conveyor belt drives
Process water handling — DAYTON self-priming centrifugal pumps (SKU 2ZXT4) for dewatering or transfer
Roofing and building services — DAYTON fixed ventilated roof curbs (SKU 4HX59) for filtered supply fan installations
Material handling — DAYTON latch assemblies (SKU 2KEN4) for electric chain hoist hook safety
Industrial air movement — DAYTON downblast roof exhaust fans (SKU 3HFL9) for clean air exhaust in manufacturing plants

Dayton Products

3G Electric supplies Dayton b-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.

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