Engineered for residential applications, this 15/30A tandem unit provides two independent circuits within a single-pole footprint. It is specifically designed to fit into older Wadsworth load centers, ensuring safe power distribution. This original legacy component is commonly replaced by the UBIA1530NI. This Class CTL non-interchangeable breaker features thermal-magnetic trip technology and a standard 10kAIC rating for reliable protection.
Specifications
Brand
Wadsworth
Series
B
Part Number
B1530NI
Amperage
15/30A
Voltage
120VAC
Poles
1
Phase
1
AIC Rating
10kA @ 120VAC
Special Classification
Tandem
Mounting Style
Plug-On
Terminal Type
Box Lugs
For Use With
Wadsworth Load Centers
Trip Technology
Thermal Magnetic
Trip Function Code
LI
Trip Function
Long-Time, Instantaneous
Trip Adjustability
Fixed Thermal, Fixed Magnetic
Wire Gauge
14-6 AWG (Cu/Al)
Max Wire
6 AWG
Min Wire
14 AWG
Standards
UL 489
Approval
UL
Temp Rating
40C
Construction Features
Class CTL, Twin/Tandem
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4.9
Rated 4.9 out of 5 stars
Based on 96 reviews
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Total 5 star reviews: 90
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Total 4 star reviews: 5
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Total 3 star reviews: 0
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Total 2 star reviews: 0
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Total 1 star reviews: 1
Reviews Summary
Generated by AI from 95 most recent customer reviews
Last updated 3/6/26
Customers say these electrical breakers and components work as expected and arrive quickly. Many reviews mention fast shipping, competitive pricing, and reliable products that fit perfectly. Users find the website easy to navigate and appreciate the wide selection of in-stock items. Common feedback includes satisfaction with timely delivery and professional customer service. While most praise the quality and value, one customer received used breakers instead of new ones as ordered. Overall, reviewers consistently highlight the combination of good prices, fast service, and dependable electrical components.