Built for circuit protection, the Siemens P220GFA is a 2-pole, 20A molded case circuit breaker rated 120/240VAC with a 10kA interrupting rating. This QP family breaker belongs to the QPF series and features plug-on mounting with lug terminals. Its fixed thermal magnetic trip provides long-time and instantaneous protection. It includes GFCI protection and is UL approved. The breaker is single-phase.
Siemens Load Centers, Pentair IntelliTouch and EasyTouch Control Systems
Protection and operation
Trip Technology
Thermal Magnetic
Trip Function Code
LI
Trip Function
Long-Time, Instantaneous
Trip Adjustability
Fixed
Standards and features
Special Classification
GFCI
Standards
UL 489
Approval
UL
Product FAQs
7 answers
How should I use the Siemens P220GFA's 20A rating when selecting a breaker?
The 20A rated current guides selection for the circuit's intended load. Coordinate this rating with the load requirements and conductor ampacity.
What electrical system should I select the Siemens P220GFA for?
The Siemens P220GFA is a 2-pole breaker rated for 120/240VAC, single-phase service. Use these characteristics when selecting for the circuit's voltage, phase and number of poles.
What does GFCI protection add to the Siemens P220GFA?
GFCI protection detects an imbalance between outgoing and returning current and trips to reduce electric-shock risk. Choose this feature when the circuit requires ground-fault protection for personnel, in addition to overcurrent protection.
How does the Siemens P220GFA respond to overloads and short circuits?
Its thermal-magnetic trip combines long-time and instantaneous functions. The thermal function responds to sustained overloads, while the magnetic function responds rapidly to high-current faults, addressing both types of overcurrent.
Can I adjust the trip settings on the Siemens P220GFA?
The trip settings are fixed rather than field-adjustable. Select the breaker with the required rating and protection characteristics instead of planning to tune its trip settings during installation.
How is the Siemens P220GFA mounted and connected to circuit conductors?
The breaker uses plug-on mounting and lug terminals. Seat the plug-on mounting connection securely, and terminate the circuit conductors at the lugs using the applicable tightening procedure.
How does UL approval affect selection of the Siemens P220GFA?
UL approval indicates evaluation against UL safety requirements. Use this approval when checking the breaker against the project's electrical-equipment approval requirements.
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