Zinsco RC38-20N Two Pole Molded Case Circuit Breaker

Description:

The Zinsco RC38-20N is a 2-pole circuit breaker designed for electrical distribution systems to provide overcurrent protection for 240V circuits. It is commonly installed in residential and light commercial panelboards and is part of the R38/RC38 series, known for its tandem-style configuration. This breaker protects wiring and connected equipment from overloads and short circuits while allowing efficient use of panel space. Electricians use this breaker for circuit protection, maintenance, and replacement of legacy Zinsco systems.

Applications:

The Zinsco circuit breakers are commonly used in residential and light commercial electrical panels where reliable overcurrent protection is required. Typical applications include branch circuit protection, panelboard installations, and electrical distribution systems where safe operation and circuit isolation are critical.

Technical Specifications:

• Manufacturer Part Number (MPN): RC38-20N
• Brand: Zinsco
• Product Type: Circuit Breaker
• Amperage: 20A
• Voltage Rating: 240V
• Poles: 2-Pole
• Series: R38 / RC38
• Mounting Type: Plug-in (panelboard)
• Trip Type: Thermal-magnetic
• Application: Overcurrent and short-circuit protection
• Compatibility: Zinsco / Sylvania panelboards
• Status: Discontinued / legacy equipment

Common Replacements:

• Connecticut Electric UBIZ220
• Siemens Q220 (panel dependent)
• Eaton BR220 (panel dependent)