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Dayton Supplementary Protector: 40 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: 40 A Amps, 7.5kA at 480V AC, Screw Clamp, NDB2-63

The DAYTON IEC Supplementary Protector (SKU 5ZUY9) is a 40 A, B-Curve, 3-Pole UL1077 DIN Rail-Mount supplementary protector from the NDB2-63 series. It features a screw clamp terminal connection and a maximum AIR…

SKU 3G-OTH-19940

Brand
Dayton
Item
Supplementary Protector: 40 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
5ZUY9
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 5ZUY9) is a 40 A, B-Curve, 3-Pole UL1077 DIN Rail-Mount supplementary protector from the NDB2-63 series. It features a screw clamp terminal connection and a maximum AIR rating of 7.5kA at 480V AC, with an AC voltage rating of 480V AC and no DC voltage rating.

Frequently Asked Questions

What is the DAYTON 5ZUY9 IEC supplementary protector used for?

The DAYTON 5ZUY9 is a 40 A, B-Curve, 3-pole UL1077 supplementary protector used to protect industrial control circuits, lighting, and small motor loads from overcurrent and short circuits. It mounts on a DIN rail and is suitable for 480V AC systems.

What are the specifications of the DAYTON 5ZUY9 supplementary protector?

The DAYTON 5ZUY9 is rated 40 A, 480V AC, with a maximum AIR rating of 7.5kA at 480V AC. It has a B-Curve trip characteristic, 3 poles, screw clamp terminals, and is part of the NDB2-63 series. It is not rated for DC voltage.

Where to buy the DAYTON 5ZUY9 supplementary protector worldwide?

3G Electric supplies the DAYTON 5ZUY9 supplementary protector 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 protector.

How to install the DAYTON 5ZUY9 DIN rail supplementary protector?

Snap the DAYTON 5ZUY9 onto a standard 35 mm DIN rail. Ensure the circuit is de-energized, then connect phase conductors to the screw clamp terminals using the torque specified on the device label. Follow UL1077 guidelines for supplementary protector installation.

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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