Dayton Supplementary Protector: 10 A Amps, 5kA at 277V AC, Screw Clamp, NDB2-63
The DAYTON IEC Supplementary Protector (SKU 5ZUZ4) is a C-curve, 1-pole UL1077 DIN rail-mount supplementary protector rated at 10 A amps. It features a maximum AIR rating of 5kA at 277V AC, an AC voltage rating of…
SKU 3G-OTH-19763
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Product Description
The DAYTON IEC Supplementary Protector (SKU 5ZUZ4) is a C-curve, 1-pole UL1077 DIN rail-mount supplementary protector rated at 10 A amps. It features a maximum 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 5ZUZ4 used for?
The DAYTON IEC Supplementary Protector 5ZUZ4 is used to protect industrial control circuits and equipment from overcurrents and short circuits. It is commonly applied in panel building, HVAC systems, and machinery control panels where branch circuit protection is not required. Its C-curve trip characteristic suits moderate inrush loads like motors and transformers.
What are the specifications of the DAYTON 5ZUZ4 supplementary protector?
The DAYTON 5ZUZ4 is a 1-pole, C-curve supplementary protector rated at 10 A amps with a maximum AIR rating of 5kA at 277V AC. It has an AC voltage rating of 277V AC, a screw clamp terminal connection, and is part of the NDB2-63 series. It is not rated for DC voltage and is UL1077 listed for DIN rail mounting.
Where to buy the DAYTON 5ZUZ4 supplementary protector worldwide?
You can source the DAYTON 5ZUZ4 supplementary protector worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we provide competitive pricing and reliable sourcing for this NDB2-63 series component.
How to install the DAYTON 5ZUZ4 supplementary protector on a DIN rail?
To install the DAYTON 5ZUZ4, snap it onto a standard 35 mm DIN rail by hooking the top clip and pressing down until it locks. Ensure the circuit is de-energized. Connect wires to the screw clamp terminals using a screwdriver, tightening to the torque specified on the device label. Verify the C-curve rating matches your load requirements before energizing.
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Common applications for DaytonDayton Products
3G Electric supplies Dayton c-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.









