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Dayton NDB2-63 Series C-Curve 2-Pole Supplementary Protector - C-Curve, 2-Pole UL1077 DIN Rail-Mount Supplementary Protectors
DaytonC-Curve, 2-Pole UL1077 DIN Rail-Mount Supplementary Protectors

Dayton NDB2-63 Series C-Curve 2-Pole Supplementary Protector

The DAYTON IEC Supplementary Protector (SKU 3G-OTH-21099) is a C-Curve, 2-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…

SKU 3G-OTH-21099

Brand
Dayton
Item
NDB2-63 Series C-Curve 2-Pole Supplementary Protector
Category
C-Curve, 2-Pole UL1077 DIN Rail-Mount Supplementary Protectors
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Technical Specifications

Dayton
Series
NDB2-63
Type
7.5kA at 480V AC, Screw Clamp, NDB2-63, C
AC
480V
Curve Type
C
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 3G-OTH-21099) is a C-Curve, 2-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 used for?

The DAYTON IEC Supplementary Protector protects industrial control circuits and equipment from overcurrents and short circuits. It is commonly used in panel building, HVAC, and machinery applications where UL1077-listed supplementary protection is required for 480V AC circuits.

What are the specifications of the DAYTON supplementary protector?

The DAYTON is a C-curve, 2-pole supplementary protector rated 20 A at 480V AC with a maximum AIR rating of 7.5kA at 480V AC. It features screw clamp terminals, is part of the NDB2-63 series, and is not rated for DC voltage.

Where to buy the DAYTON supplementary protector worldwide?

3G Electric supplies the DAYTON supplementary protector to customers 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 C-curve, 2-pole UL1077 protector.

How to select the right C-curve supplementary protector for a 480V AC circuit?

Select a C-curve supplementary protector like the DAYTON when your load has moderate inrush current, such as small motors or transformers. Verify the voltage rating (480V AC), current rating (20 A), and interrupting capacity (7.5kA) match your circuit. Always follow NEC and local codes for installation.

Used in

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Dayton Products

3G Electric supplies Dayton c-curve, 2-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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Compatible alternatives & equivalents

Cross-referenced by specification & description
C-curve, 3-pole supplementary protector for DIN rail mounting, rated 63A at 480V AC with a maximum interrupting rating of 7.5kA. Features screw clamp terminals and is UL1077 recognized. Suitable for overcurrent and short-circuit protection in industrial control circuits, lighting panels, and motor control centers
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C-curve, 3-pole supplementary protector for DIN rail mounting, rated 63A at 480V AC with a maximum interrupting rating of 7.5kA. Features screw clamp terminals and is UL1077 recognized. Suitable for overcurrent and short-circuit protection in industrial control circuits, lighting panels, and motor control centers
This 3-pole supplementary protector from the NDB2-63 series features a C-curve trip characteristic for overcurrent protection. Rated 50A at 480V AC with a maximum interrupting rating of 7.5kA, it uses screw clamp terminals for secure wiring. Suitable for DIN rail mounting in industrial control panels and equipment branch circuits
Dayton
This 3-pole supplementary protector from the NDB2-63 series features a C-curve trip characteristic for overcurrent protection. Rated 50A at 480V AC with a maximum interrupting rating of 7.5kA, it uses screw clamp terminals for secure wiring. Suitable for DIN rail mounting in industrial control panels and equipment branch circuits
C-curve, 3-pole supplementary protector from the NDB2-63 series, rated 20 A at 480V AC with a maximum interrupting rating of 7.5 kA. Features screw clamp terminals and is designed for DIN rail mounting. Suitable for overcurrent protection in industrial control panels, HVAC equipment, and machinery where UL1077 supplementary protection is required
Dayton
C-curve, 3-pole supplementary protector from the NDB2-63 series, rated 20 A at 480V AC with a maximum interrupting rating of 7.5 kA. Features screw clamp terminals and is designed for DIN rail mounting. Suitable for overcurrent protection in industrial control panels, HVAC equipment, and machinery where UL1077 supplementary protection is required

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This 40 A, C-curve, 2-pole supplementary protector is UL1077 listed for DIN rail mounting. It features screw clamp terminals and a maximum interrupting rating of 7.5 kA at 480 V AC. Suitable for overcurrent and short-circuit protection in industrial control circuits and equipment within control panels and distribution boards
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This 40 A, C-curve, 2-pole supplementary protector is UL1077 listed for DIN rail mounting. It features screw clamp terminals and a maximum interrupting rating of 7.5 kA at 480 V AC. Suitable for overcurrent and short-circuit protection in industrial control circuits and equipment within control panels and distribution boards

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