ZINSCO RC38-70 U 70A 240V 2P

Description:

The Zinsco RC38-70 U is a molded case circuit breaker designed for Zinsco load centers, providing overcurrent protection for 120/240V circuits. It interrupts electrical flow during overloads or short circuits to protect wiring and connected equipment. This model belongs to the RC38 “thin/tandem” series, allowing a 2-pole 240V circuit in a compact breaker footprint, commonly used in legacy electrical panels.

Applications:

The Zinsco RC38-70 breaker is used in residential and light commercial panels to protect high-load circuits such as HVAC systems, electric ranges, subpanels, and large equipment. It is specifically designed for Zinsco/Sylvania/Challenger panel compatibility and is typically used for maintenance or replacement in older installations.

Technical Specifications:

• Manufacturer Part Number (MPN): RC38-70 / RC3870
• Product Type: Molded Case Circuit Breaker
• Poles: 2-pole
• Phase: Single-phase (1PH)
• Rated Current: 70 Amps
• Rated Voltage: 120/240 V AC
• Mounting Type: Plug-in (Zinsco panel compatible)
• Breaker Type: Thermal-magnetic
• Interrupt Rating: ~10 kA @ 240V
• Design: Thin / tandem (R-38 frame)
• Application: Branch circuit protection for 240V loads