ZINSCO R38-20N N 20A 240V 2P

Description:

The Zinsco R38-20N is a molded case circuit breaker designed for overcurrent protection in residential and light commercial electrical distribution systems. It provides protection for circuits operating at 120/240V and is configured as a 2-pole breaker for handling dual-phase loads. Commonly installed in Zinsco panelboards, it helps prevent damage from overloads and short circuits while maintaining safe electrical operation. Electricians use this breaker for circuit protection, panel maintenance, and replacement of legacy Zinsco components.

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 maintenance, and power distribution systems where safe and consistent electrical protection is critical.

Technical Specifications:

• Manufacturer Part Number (MPN): R38-20N
• Brand: Zinsco
• Product Type: Molded Case Circuit Breaker
• Amperage: 20A
• Voltage Rating: 120/240V
• Poles: 2-Pole
• Mounting Type: Plug-in
• Trip Type: Thermal-magnetic
• Application: Overcurrent and short-circuit protection
• Compatibility: Zinsco panelboards
• Series: R38 / Type R
• Status: Discontinued / legacy equipment

Common Replacements:

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