Zinsco Thomas & Betts R38 R38-50 50 Amp slim tandem 120 240v Circuit Breaker R3850

Description:

The Zinsco Thomas & Betts R38-50 is a 50 Amp slim tandem circuit breaker designed for legacy Zinsco and Sylvania load centers. It provides overcurrent protection for 120/240V circuits while allowing two circuits within a compact breaker footprint. Electricians and maintenance personnel use this breaker for repair, retrofit, or replacement in older panels where space-saving tandem designs are required.

Applications:

The Zinsco R38-50 breaker is widely used in residential and light commercial electrical panels, particularly in Zinsco/GTE Sylvania systems. It is suitable for medium-load circuits such as subpanels, appliances, and HVAC equipment. Its slim (space-saver) tandem design allows increased circuit capacity in limited panel space while maintaining proper circuit protection.

Technical Specifications:

• Manufacturer: Zinsco / GTE Sylvania / Thomas & Betts
• Model / Part Number: R38-50
• Product Type: Tandem / Slim Circuit Breaker
• Poles: 2-Pole (space-saver design)
• Current Rating: 50 Amps
• Voltage Rating: 120/240 VAC
• Mounting: Plug-in (Zinsco compatible)
• Function: Overcurrent and short circuit protection
• Design: Compact tandem style for increased circuit density
• Compatibility: Zinsco / Sylvania load centers

Common Replacements:

• Connecticut Electric UBIZ2020 Circuit Breaker
• Zinsco R38-50 50A 2-Pole Breaker
• GTE Sylvania Zinsco R-38 50A Breaker