Circuit Breaker, NDB2-63 B4/1 Series, 4A, 1 Pole, 277V AC, 5kA at 277V AC, B Curve MPN:5ZUW0
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In Stock
Free Shipping
In Stock
SKU
510-G2218273
Circuit Breaker, NDB2-63 B4/1 Series, 4A, 1 Pole, 277V AC, 5kA at 277V AC, B Curve
Protect your electrical systems with the Dayton NDB2-63 B4/1 Series Circuit Breaker. This 4A, 1-pole, 277V AC circuit breaker provides supplemental protection for a wide range of applications, including industrial and commercial settings. With a maximum air rating of 5kA at 277V AC and a B curve type, this circuit breaker offers reliable thermal magnetic tripping and meets UL Type UL 1077 standards. Easy to install on a DIN rail, it features a toggle actuator and screw clamp terminal connections. Its compact design makes it ideal for use in tight spaces, and its durable construction ensures long-lasting performance.
Top product features:
- Provides supplemental protection for electrical circuits
- Protects against overcurrent and short circuits with a 5kA at 277V AC rating
- Has a thermal-magnetic trip type that ensures safe and reliable shutdown
Top product applications:
- Supplemental Protection
- Thermal Magnetic Circuit Breaker
- AC Voltage Rating 277V AC
IEC Supplementary Protector, Amps 4 A, AC Voltage Rating 277V AC, Max. AIR Rating 5kA at 277V AC, Series NDB2-63, Curve Type B, DC Voltage Rating Not Rated, Number of Poles 1, Phase 1, Circuit Breaker Actuator Toggle, Circuit Breaker Mounting Style DIN Rail, Meets UL Type UL 1077, Terminal Connection Screw Clamp, Trip Type Thermal Magnetic, Application Supplemental Protection, Min. Wire Size 14 AWG, Max. Wire Size 4 AWG, Length 3.21 in, Width 0.71 in, Depth 2.91 in
Additional Information
- Country of Origin: CN
- Drop Ship Item: No
- Blind Ship Eligible: No
- LTL Freight Required: No
- Lead Time: Ships in 1 days
- Minimum Order Quantity: 1
- Unit of Measure: EA
- Package Length: 4.50
- Package Width: 3.10
- Package Height: 1.00
- Package Weight: 0.24
- California Prop 65 Warning: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Product info last updated on January 13, 2026 12:45pm UTC
Category: Circuit Protection