ZINSCO Q30N U 30A 120V 1P Circuit Breaker

Description:

The Zinsco Q30N U is a 30 Amp, single-pole circuit breaker designed for use in Zinsco / GTE Sylvania load centers. It operates on 120V (rated 120/240 VAC class) and features a thermal-magnetic (Magnatrip) trip mechanism to protect against overloads and short circuits. This breaker is part of the Type Q series and uses a plug-in mounting design for direct installation in compatible panels.

Applications:

The Zinsco Q30N breaker is commonly used in residential branch circuits requiring 30A protection, such as air conditioners, dedicated receptacles, compressors, and small appliances. It is intended specifically for Zinsco panelboards, which are now obsolete but still found in older electrical installations.

Technical Specifications:

• Manufacturer: Zinsco / GTE Sylvania / Challenger
• Model / Part Number: Q30N / Q30
• Product Type: Circuit Breaker
• Poles: 1-Pole
• Current Rating: 30 Amps
• Voltage Rating: 120/240 VAC class
• Interrupt Rating: ~10 kAIC
• Mounting: Plug-in
• Trip Type: Thermal-magnetic (Magnatrip)
• Function: Overcurrent and short circuit protection
• Status: Obsolete / discontinued (aftermarket replacements available)

Common Replacements:

• Connecticut Electric UBIZ30 1-Pole 30A Zinsco Replacement Breaker
• Siemens Q130 1-Pole 30A Circuit Breaker
• Square D QHB130 1-Pole 30A Circuit Breaker