Dayton Supplementary Protector: 20 A Amps, 7.5kA at 480V AC, Screw Clamp, NDB2-63
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
Local availability & support
- Delivery
- Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
- Payment
- Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.
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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 3G-OTH-21099 used for?
The DAYTON IEC Supplementary Protector 3G-OTH-21099 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 3G-OTH-21099 supplementary protector?
The DAYTON 3G-OTH-21099 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 3G-OTH-21099 supplementary protector worldwide?
3G Electric supplies the DAYTON 3G-OTH-21099 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 3G-OTH-21099 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.
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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.
