ZINSCO RC38-40N U 40A 240V 2P

Description:

The Zinsco RC38-40N 2-pole 40 Amp circuit breaker is used in residential and commercial electrical distribution panels. Commonly installed in Zinsco and Sylvania load centers for branch circuit protection and legacy panel systems. Maintenance electricians, contractors, and technicians use this breaker for replacement, retrofit, and restoration of obsolete electrical panels.

Applications:

The Zinsco RC38-40N circuit breaker is used in electrical distribution systems to provide overcurrent and short-circuit protection for 120/240V circuits. It is widely applied in residential homes, commercial buildings, and light industrial facilities where Zinsco panels remain in service. Its twin/tandem thin design allows efficient space utilization while protecting loads such as HVAC systems, water heaters, and general power circuits requiring reliable 40A dual-pole protection.

Technical Specifications:

• Manufacturer: Zinsco / Sylvania
• Model / Part Number: RC38-40N / R38-40N
• Product Type: Molded Case Circuit Breaker (Plug-in, Thin/Tandem)
• Rated Current: 40 Amp
• Poles: 2-pole (double pole)
• Voltage Rating: 120/240 VAC
• Phase: Single-phase
• Interrupt Rating: 10 kAIC @ 120/240V
• Trip Type: Thermal-magnetic (fixed trip)
• Mounting Type: Plug-in (Zinsco load center compatible)
• Design: Thin / tandem (space-saving configuration)
• Terminal Type: Box lugs, accepts copper/aluminum conductors
• Application: Branch circuit protection in legacy electrical panels
• Status: Obsolete, typically available as refurbished or replacement units

Common Replacements:

• UBIZ0240 40A 2-Pole Replacement Breaker
• Zinsco RC38-40
• Zinsco R38-40