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Connecticut Electric Zinsco 30 amps Standard Single Pole Circuit Breaker

Protect your 120V indoor circuits with this Connecticut Electric Zinsco 30A Standard Single Pole Circuit Breaker. Designed for plug-in mounting in compatible panels, this unit deli…

Zinsco MPN UBIZ30
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Typical store price: low $32.99, average $38.99
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About Product Overview

Protect your 120V indoor circuits with this Connecticut Electric Zinsco 30A Standard Single Pole Circuit Breaker. Designed for plug-in mounting in compatible panels, this unit delivers reliable overcurrent protection for a dedicated circuit. With a compact footprint, it fits in a standard 3/4-inch slot and measures 2.5 inches high by 4.81 inches deep. Note: UL Listed and CSA Listed status are not provided for this model.

Key specifications

  • Amps: 30
  • Poles: Single Pole
  • Voltage: 120V
  • Mounting: Plug-In
  • Brand / Sub Brand: Connecticut Electric / Zinsco
  • Packaging: Bulk
  • Circuit Protection Type: Standard
  • Indoor or Outdoor: Indoor
  • Width: 3/4 in
  • Height: 2.5 in
  • Depth: 4.81 in
  • UL Listed: No; CSA Listed: No

Who this is for

Ideal for homeowners replacing a failed or aging one-pole breaker in compatible indoor panels, electricians stocking bulk replacements, or property maintenance on 120V circuits that require up to 30 amps of protection.

What problems it solves

Provides reliable overcurrent protection to prevent wiring damage and electrical fires by automatically interrupting the circuit when current exceeds 30 amps. Its plug-in design enables quick replacement, reducing downtime on essential 120V circuits.

Why this matters

This breaker sits within the Connecticut Electric Zinsco line, offering a straightforward upgrade path for indoor panels that support plug-in single-pole breakers. The slim 3/4-inch width and standard 120V configuration make it a practical choice for adding or restoring branch circuit protection without reworking the panel interior.

Practical tips for installation and use

  • Confirm panel compatibility for plug-in single-pole breakers before ordering.
  • Always shut off the main power and test the circuit before servicing.
  • Store and stock this unit in bulk alongside other 30A, 120V breakers for efficient maintenance planning.
  • If UL listing is a requirement for your project or local codes, verify listings and approvals with the appropriate authority before installation.

The Details Specifications

Brand Zinsco
SKU 3003175
UPC 094925030402
Unit 0
Case Pack Quantity 24 per case
Retail Unit Quantity 1
Unit of Measure 0 0
Dimensions (L × W × H) 5 × 1 × 3
Weight 0 lbs
Cubic Feet 0.00975 ft³
Country of Origin PHILIPPINES
Safety Data Sheet (SDS) Manufacturer documentation · opens in new tab

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