Siemens QSH2225 Molded Case Circuit Breaker
- 225A
- 2 Pole
- Plug-On
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Siemens QSH2225 - 225A 2 Pole Molded Case Circuit Breaker
New
Quantity
Description
Part of the Siemens QSH series, this 225A molded case circuit breaker provides robust thermal-magnetic protection for commercial distribution systems. The two-pole breaker features a plug-on design, allowing it to install into Siemens Power Mod meter stacks, Uni-PAK metering, and compatible load centers. It accepts 3 AWG to 300 kcmil wire. With a high interrupting rating of 42kA at 120/240VAC, the QSH2225 ensures superior fault protection and is HACR rated for HVAC equipment.Specifications
| Brand | Siemens |
|---|---|
| Part Number | QSH2225 |
| Series | QSH |
| Amperage | 225A |
| Poles | 2 |
| Mounting Style | Plug-On |
| Voltage | 120/240VAC |
| Phase | 1 |
| AIC Rating | 42kA @ 120/240VAC |
| Frame Type | Q |
|---|---|
| Terminal Type | Lugs |
| For Use With | Siemens Power Mod Meter Stacks, Siemens Uni-PAK, Siemens WMM Series, Siemens Load Centers |
| Wire Gauge | 3 AWG - 300 kcmil (Cu/Al) |
| Max Wire | 300 kcmil |
| Min Wire | 3 AWG |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed |
| Available Options | Padlock Attachment |
|---|---|
| Standards | CSA C22.2 No. 5, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 40°C |
| Construction Features | 42kA High Interrupting Rating, Side-Wired Design, HACR Rated |
Product FAQs
5 answersWhich Siemens meter stacks and load centers are compatible with the QSH2225?
The QSH2225 is designed for use in Siemens Power Mod Meter Stacks (including WMM, WML, and WMT series), Uni-PAK metering (WP, WPC, WEP, and WPL series), and compatible Siemens load centers that accept QS frame main breakers.
Will the QSH2225 fit in older SP or MP series metering equipment?
No, QS series breakers like the QSH2225 will not fit in SP or MP series metering. They are specifically designed for modern Siemens Power Mod and Uni-PAK metering products.
What is the difference between the Siemens QS2225, QSH2225, and HQS2225H?
These breakers share the same physical QS frame and 225A rating but differ in their short-circuit interrupting ratings. The standard QS2225 is rated at 10kAIC, the QSH2225 is rated at 42kAIC, and the HQS2225H is rated at 100kAIC. The H in QSH designates this higher 42kAIC rating for systems with higher available fault currents.
What are the installation advantages of the QS frame used in the QSH2225?
The QSH2225 features an exclusive side-wired design that allows this 225A breaker to fit in the same physical space as a standard 100A QP breaker without requiring filler plates. It also utilizes single right-hand bend wiring to save time and wire during installation in compatible Power Mod meter stacks.
Is the QSH2225 circuit breaker HACR rated?
Yes, the QSH2225 is HACR rated, meaning it is approved for use with heating, air conditioning, and refrigeration equipment that requires this specific type of circuit protection.
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