Siemens HQS2150H Molded Case Circuit Breaker
- 150A
- 2 Pole
- Plug-On
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Siemens HQS2150H - 150A 2 Pole Molded Case Circuit Breaker
New
Quantity
Description
Built for heavy-duty modular metering, this 150A molded case circuit breaker provides robust thermal-magnetic protection with an exceptional 100kAIC rating at 120/240VAC. The side-wired design ensures secure connections while the fixed trip unit responds instantly to short circuits and overloads. This plug-on breaker is specifically manufactured for compatibility with Siemens Power Mod and Murray meter stacks. It is fully HACR rated and acts as an exact replacement for the legacy MDH2150.Specifications
| Brand | Siemens |
|---|---|
| Part Number | HQS2150H |
| Series | HQS |
| Amperage | 150A |
| Poles | 2 |
| Mounting Style | Plug-On |
| Voltage | 120/240VAC |
| Phase | 1 |
| AIC Rating | 100kA @ 120/240VAC |
| Frame Type | Q |
|---|---|
| Terminal Type | Lugs |
| For Use With | Siemens Power Mod Meter Stacks, Murray Meter Stacks |
| 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 Thermal, Fixed Magnetic |
| Available Options | Shunt Trip, Auxiliary Switch, Alarm Switch, Padlock Attachment |
|---|---|
| Accessories | Load Side Lugs Included |
| Standards | UL 489 |
| Approval | UL |
| Temp Rating | 40C |
| Construction Features | Extra High Interrupting Capacity, Non-Interchangeable Trip, HACR Rated |
Product FAQs
6 answersWhat equipment is the Siemens HQS2150H designed to fit?
This breaker is designed for use as a tenant main breaker in Siemens Power Mod and Murray residential meter stacks.
How does the side-wired design of the QS frame benefit installation?
The exclusive side-wired design allows for a single right-hand bend. This eliminates difficult S bends, saving both wiring space and installation time inside the meter stack.
Can the HQS2150H replace older legacy breakers?
Yes, this breaker serves as a direct replacement for the legacy Siemens MDH2150 circuit breaker in compatible metering equipment.
Is the Siemens HQS2150H suitable for HVAC applications?
Yes, this breaker is HACR rated, making it suitable for use with heating, air conditioning, and refrigeration equipment.
Are the trip settings on the HQS2150H adjustable?
No, this breaker features a fixed thermal and fixed magnetic trip unit. The trip settings cannot be adjusted in the field.
Does this breaker include ground fault or arc fault protection?
No, the HQS2150H is a standard thermal magnetic breaker with long-time and instantaneous trip functions. It does not provide GFCI or AFCI protection.
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