General Electric THQL21WY15 2 Pole Circuit Breaker
The General Electric THQL21WY15 is a 2 Pole thermal magnetic molded case circuit breaker with a current rating of 15 Amps and a voltage rating of 120/240VAC. It has an interrupting rating of 10kAIC at 120/240VAC. The THQL21WY15 has a plug-in mounting type and includes long time and instantaneous trip functions.
['Power Mark Gold Load Centers', 'AQ Lighting Panels']
Wire Gauge
14-8 AWG
Max Wire
8 AWG
Min Wire
14 AWG
Protection and operation
Trip Technology
Thermal Magnetic
Trip Function Code
LI
Trip Function
Long-Time and Instantaneous
Trip Adjustability
Fixed Thermal, Fixed Magnetic
Standards and features
Approval
UL, GSA
Product FAQs
8 answers
What panels are compatible with the THQL21WY15 circuit breaker?
This Q-Line plug-in breaker is designed for use in GE and ABB Power Mark Gold load centers, as well as AQ lighting panels.
What does the WY suffix indicate on the THQL21WY15?
The WY designates this as a switched neutral (or neutral cut-off) circuit breaker. It is built to disconnect both the ungrounded (hot) and grounded (neutral) conductors simultaneously when tripped or manually turned off.
What applications typically require a switched neutral breaker like the THQL21WY15?
Switched neutral breakers are commonly required by the National Electrical Code (NEC) for specific installations, such as fuel dispensing equipment, where disconnecting the neutral is necessary to prevent spark hazards in explosive atmospheres.
Can I substitute a standard 2-pole breaker for the THQL21WY15?
No. If your installation requires a switched neutral disconnect to comply with safety codes, a standard 2-pole breaker cannot be used as a replacement.
Will the THQL21WY15 I receive be branded as GE or ABB?
Because ABB acquired GE Industrial Solutions, this Q-Line breaker may arrive with either GE or ABB branding. The breakers are manufactured to the exact same specifications and are fully interchangeable.
Does the THQL21WY15 include arc fault or ground fault protection?
No. This is a thermal-magnetic breaker that provides standard overload and short-circuit protection. It does not feature AFCI or GFCI capabilities.
What type of trip functions are included in the THQL21WY15?
This breaker utilizes a thermal-magnetic trip unit, providing both long-time protection for overloads and instantaneous protection for short circuits.
How much panel space is required to install the THQL21WY15?
As a 2-pole Q-Line breaker, it requires two standard 1-inch spaces, taking up a total of 2 inches of width in a compatible load center.
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