Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

Dayton Supplementary Protector: 4 A Amps, 220V DC, 10kA at 220V DC, Screw Clamp - DC-Only Rated, 1-Pole UL1077 DIN Rail-Mount Supplementary Protectors
DaytonDC-Only Rated, 1-Pole UL1077 DIN Rail-Mount Supplementary Protectors

Dayton Supplementary Protector: 4 A Amps, 220V DC, 10kA at 220V DC, Screw Clamp

The DAYTON IEC Supplementary Protector (SKU 3G-OTH-19576) is a DC-only rated, 1-pole UL1077 DIN rail-mount supplementary protector with a 4 A amp rating. It features a B curve type, a maximum AIR rating of 10kA at…

SKU 3G-OTH-19576

Brand
Dayton
Item
Supplementary Protector: 4 A Amps, 220V DC, 10kA at 220V DC, Screw Clamp
Category
DC-Only Rated, 1-Pole UL1077 DIN Rail-Mount Supplementary Protectors
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

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
Series
NDB2Z-63 B4/1
Type
10kA at 220V DC, Screw Clamp, NDB2Z-63 B4/1
DC
220V
Curve Type
B
Max. AIR Rating
10kA at 220V DC
AC Voltage Rating
Not Rated
DC Voltage Rating
220V DC
Terminal Connection
Screw Clamp

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

The DAYTON IEC Supplementary Protector (SKU 3G-OTH-19576) is a DC-only rated, 1-pole UL1077 DIN rail-mount supplementary protector with a 4 A amp rating. It features a B curve type, a maximum AIR rating of 10kA at 220V DC, and a screw clamp terminal connection. This unit is part of the NDB2Z-63 B4/1 series and is rated for 220V DC only, with no AC voltage rating.

Frequently Asked Questions

What is the DAYTON IEC Supplementary Protector used for?

The DAYTON IEC Supplementary Protector is a DC-only rated, 1-pole UL1077 DIN rail-mount device used to protect industrial control circuits and equipment from overcurrents. It is suitable for applications requiring a 4 A, 220V DC rating with a B curve trip characteristic.

What are the specifications of the DAYTON supplementary protector?

The DAYTON is a 4 A, 1-pole supplementary protector rated for 220V DC only. It has a B curve type, a maximum AIR rating of 10kA at 220V DC, and a screw clamp terminal connection. It is part of the NDB2Z-63 B4/1 series and carries a UL1077 listing.

Where to buy the DAYTON supplementary protector worldwide?

3G Electric supplies the DAYTON supplementary protector worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your location. Contact us to source this genuine DAYTON NDB2Z-63 B4/1 series protector for your project.

How to install a DAYTON IEC supplementary protector on a DIN rail?

To install the DAYTON , snap it onto a standard 35 mm DIN rail until it locks. Connect DC supply wires to the screw clamp terminals, ensuring correct polarity and torque per the label. Always de-energize the circuit before installation and follow UL1077 guidelines for supplementary protection.

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 dc-only rated, 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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
DAYTON IEC Supplementary Protector: 6 A Amps, 440V DC, 10kA at 440V DC, Screw Clamp, NDB2Z-63 B6/2
Dayton
DAYTON IEC Supplementary Protector: 6 A Amps, 440V DC, 10kA at 440V DC, Screw Clamp, NDB2Z-63 B6/2
DAYTON IEC Supplementary Protector: 20 A Amps, 440V DC, 10kA at 440V DC, Screw Clamp, NDB2Z-63 C20/2
Dayton
DAYTON IEC Supplementary Protector: 20 A Amps, 440V DC, 10kA at 440V DC, Screw Clamp, NDB2Z-63 C20/2
DAYTON IEC Supplementary Protector: 10 A Amps, 7.5kA at 480V AC, Screw Clamp, NDB2-63, 480V AC
Dayton
DAYTON IEC Supplementary Protector: 10 A Amps, 7.5kA at 480V AC, Screw Clamp, NDB2-63, 480V AC
DAYTON IEC Supplementary Protector: 25 A Amps, 7.5kA at 480V AC, Screw Clamp, NDB2-63, 480V AC
Dayton
DAYTON IEC Supplementary Protector: 25 A Amps, 7.5kA at 480V AC, Screw Clamp, NDB2-63, 480V AC
DAYTON IEC Supplementary Protector: 20 A Amps, 7.5kA at 480V AC, Screw Clamp, NDB2-63, 480V AC
Dayton
DAYTON IEC Supplementary Protector: 20 A Amps, 7.5kA at 480V AC, Screw Clamp, NDB2-63, 480V AC
DAYTON IEC Supplementary Protector: 50 A Amps, 7.5kA at 480V AC, Screw Clamp, NDB2-63, 480V AC
Dayton
DAYTON IEC Supplementary Protector: 50 A Amps, 7.5kA at 480V AC, Screw Clamp, NDB2-63, 480V AC

More from Dayton

View all Dayton parts
DAYTON IEC Supplementary Protector: 1 A Amps, 220V DC, 10kA at 220V DC, Screw Clamp, NDB2Z-63 B1/1
Dayton
DAYTON IEC Supplementary Protector: 1 A Amps, 220V DC, 10kA at 220V DC, Screw Clamp, NDB2Z-63 B1/1
DAYTON IEC Supplementary Protector: 6 A Amps, 220V DC, 10kA at 220V DC, Screw Clamp, NDB2Z-63 C6/1
Dayton
DAYTON IEC Supplementary Protector: 6 A Amps, 220V DC, 10kA at 220V DC, Screw Clamp, NDB2Z-63 C6/1
DAYTON IEC Supplementary Protector: 2 A Amps, 220V DC, 10kA at 220V DC, Screw Clamp, NDB2Z-63 B2/1
Dayton
DAYTON IEC Supplementary Protector: 2 A Amps, 220V DC, 10kA at 220V DC, Screw Clamp, NDB2Z-63 B2/1