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Dayton Miniature Circuit Breaker: 20 A Amps, 48V DC, 10kA at 277V AC, Lug - D-Curve, 1-Pole UL489 DIN Rail-Mount Miniature Circuit Breakers
DaytonD-Curve, 1-Pole UL489 DIN Rail-Mount Miniature Circuit Breakers

Dayton Miniature Circuit Breaker: 20 A Amps, 48V DC, 10kA at 277V AC, Lug

The DAYTON IEC Miniature Circuit Breaker (SKU 3G-OTH-22001) is a 20 A, D-Curve, 1-pole UL489 DIN rail-mount circuit breaker. It is rated for 277V AC with a maximum AIR rating of 10kA at 277V AC and 48V DC, featuring…

SKU 3G-OTH-22001

Brand
Dayton
Item
Miniature Circuit Breaker: 20 A Amps, 48V DC, 10kA at 277V AC, Lug
Category
D-Curve, 1-Pole UL489 DIN Rail-Mount Miniature Circuit Breakers
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

Dayton
Type
10kA at 277V AC, Lug, NDB2T-63 D20/1 L
DC
48V
Max. AIR Rating
10kA at 277V AC
AC Voltage Rating
277V AC
DC Voltage Rating
48V DC
Terminal Connection
Lug

Technical Documents

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Dayton Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The DAYTON IEC Miniature Circuit Breaker (SKU 3G-OTH-22001) is a 20 A, D-Curve, 1-pole UL489 DIN rail-mount circuit breaker. It is rated for 277V AC with a maximum AIR rating of 10kA at 277V AC and 48V DC, featuring lug terminal connections.

Frequently Asked Questions

What is the DAYTON IEC Miniature Circuit Breaker used for?

The DAYTON IEC Miniature Circuit Breaker protects branch circuits and equipment from overloads and short circuits in industrial control panels, HVAC systems, and machinery. Its D-curve trip characteristic suits high-inrush loads like motors and transformers. 3G Electric supplies this breaker across 14 industrial departments worldwide.

What are the specifications of the DAYTON circuit breaker?

The DAYTON is a 20 A, 1-pole, D-curve miniature circuit breaker rated 277V AC and 48V DC. It has a maximum AIR rating of 10 kA at 277V AC and uses lug terminal connections. It is UL489 listed for DIN-rail mounting. 3G Electric sources this genuine DAYTON part for global delivery.

Where to buy the DAYTON circuit breaker worldwide?

3G Electric supplies the DAYTON miniature circuit breaker 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 genuine DAYTON part.

How to install a DAYTON IEC miniature circuit breaker on a DIN rail?

To install the DAYTON , snap the breaker onto a standard 35 mm DIN rail until it locks. Ensure the D-curve rating matches your load's inrush current. Connect line and load wires to the lug terminals per local codes. 3G Electric provides technical support for proper selection and 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 d-curve, 1-pole ul489 din rail-mount miniature circuit breakers. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Cross-referenced by specification & description
This 1-pole miniature circuit breaker from the NDB2T-63 series features a B-curve trip characteristic for 10 A protection. Rated 277V AC and 48V DC with a maximum interrupting rating of 10kA at 277V AC, it uses lug terminals. Suitable for DIN rail mounting in distribution panels and lighting systems
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This 1-pole miniature circuit breaker from the NDB2T-63 series features a B-curve trip characteristic for 10 A protection. Rated 277V AC and 48V DC with a maximum interrupting rating of 10kA at 277V AC, it uses lug terminals. Suitable for DIN rail mounting in distribution panels and lighting systems
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This 1-pole miniature circuit breaker is UL489 listed for DIN rail mounting. It features a C-curve trip characteristic for moderate inrush loads and a lug terminal connection. Rated 2A, 277V AC with a maximum interrupting rating of 10kA at 277V AC, and 48V DC. Suitable for overcurrent protection in branch circuits, lighting, and control panels
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This 1-pole miniature circuit breaker is UL489 listed for DIN rail mounting. It features a C-curve trip characteristic for moderate inrush loads and a lug terminal connection. Rated 2A, 277V AC with a maximum interrupting rating of 10kA at 277V AC, and 48V DC. Suitable for overcurrent protection in branch circuits, lighting, and control panels

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This 25 A, D-Curve, 1-pole miniature circuit breaker is UL489 listed for overcurrent protection. Rated 120V AC (10kA AIR) and 60V DC, it features lug terminal connections and mounts on a DIN rail. Suitable for branch circuits and equipment with high inrush currents in industrial control panels, HVAC equipment, and machinery
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