Built for residential and commercial applications, the HQ2100BH is a 2-pole, 100A plug-on molded case circuit breaker. It mounts into compatible Siemens meter combinations and service entrance load centers, providing reliable overcurrent protection. Rated for 120/240VAC, this Q-Series breaker stands out with an extra-high 100kAIC interrupting capacity and a common trip mechanism, ensuring maximum safety for demanding electrical systems.
Siemens Meter Combinations, Service Entrance Load Centers
Wire Gauge
4-1/0 AWG (Cu), 2-1/0 AWG (Al)
Max Wire
1/0 AWG
Min Wire
4 AWG
Protection and operation
Trip Technology
Thermal Magnetic
Trip Function Code
LI
Trip Function
Long-Time, Instantaneous
Trip Adjustability
Fixed Thermal, Fixed Magnetic
Standards and features
Available Options
Padlock Attachment
Standards
UL 489, CSA C22.2 No. 5, HACR Rated
Approval
CSA, UL
Temp Rating
40C
Construction Features
Extra High Interrupting Capacity, HACR Rated, Common Trip
Product FAQs
5 answers
Which Siemens load centers and metering equipment accept the HQ2100BH?
The HQ2100BH is designed for use in Siemens 200A modular and Uni-Pak metering equipment, as well as 300A to 600A service entrance load centers.
How much space does the HQ2100BH require in a panel?
Although it is a 2-pole breaker, it features a 4-pole wide frame. It requires four panel spaces (two adjacent and two opposite) for proper installation.
Can the HQ2100BH be used in place of a standard 100A QP branch breaker?
No. The HQ2100BH is a 4-pole wide main breaker frame (HQPPH type) designed for specific metering equipment and large load centers. It will not fit in standard 1-inch branch breaker spaces.
What is the difference between the HQPPH series and standard QPP series breakers?
The HQPPH series, which includes the HQ2100BH, provides a high interrupting rating of 100kAIC. Standard QPP series breakers offer a 10kAIC rating, while QPPH series breakers are rated for 22kAIC.
Does the HQ2100BH provide GFCI or AFCI protection?
No, the HQ2100BH is a standard thermal-magnetic circuit breaker. It provides overload and short-circuit protection but does not include Ground Fault (GFCI) or Arc Fault (AFCI) sensing.
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