Siemens Q33000S01 Molded Case Circuit Breaker
- 30A
- 3 Pole
- Plug-On
Quantity
Siemens Q33000S01 - 30A 3 Pole Molded Case Circuit Breaker
New
Quantity
Description
Featuring remote tripping capabilities, this 30-amp, three-pole component is ideal for industrial safety systems requiring emergency shutdown. The factory-installed 120VAC shunt trip allows external signals to open the circuit. The plug-on design integrates into Siemens P1 panelboards and three-phase load centers. It also functions as an authorized replacement for the discontinued Murray MP330ST. Rated for 10kAIC at 240VAC, the unit includes Insta-Wire connectors for faster termination.Specifications
| Brand | Siemens |
|---|---|
| Part Number | Q33000S01 |
| Series | Q |
| Amperage | 30A |
| Poles | 3 |
| Mounting Style | Plug-On |
| Voltage | 240VAC |
| Phase | 3 |
| AIC Rating | 10kA @ 240VAC |
| Terminal Type | Lugs |
|---|---|
| For Use With | Siemens Load Centers, Panelboards |
| Wire Gauge | 14-6 AWG (Cu/Al) |
| Max Wire | 6 AWG |
| Min Wire | 14 AWG |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed Thermal, Fixed Magnetic |
| Available Options | Padlock Attachment |
|---|---|
| Accessories | Shunt Trip 120VAC (Factory Installed) |
| Standards | UL 489, CSA C22.2 No. 5 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | Common Trip, HACR Rated, Insta-Wire |
Product FAQs
5 answersWhat panels are compatible with the Siemens Q33000S01?
This Type QP breaker is designed for plug-on installation in compatible Siemens three-phase load centers and P1 panelboards.
Does the Q33000S01 include a shunt trip mechanism?
Yes, this model features a factory-installed 120V AC shunt trip. This allows the breaker to be opened remotely by an external control signal, which is often required for emergency shutdown systems.
What wire sizes are accepted by the terminals on this breaker?
The load lugs accept 14 AWG to 6 AWG copper or aluminum wiring.
Can the Q33000S01 replace a Murray MP330ST breaker?
Yes. Siemens Type QP breakers are the manufacturer-authorized replacements for discontinued Murray Type MP breakers, making this the correct replacement for the MP330ST.
How does the thermal-magnetic trip unit function on this breaker?
The thermal mechanism provides long-time protection against gradual overloads, while the magnetic instantaneous function quickly trips the breaker during severe short circuits.
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Reviews
Review summary
Customers rate this product 5.0 out of 5 based on 47 reviews.
- CGCrocefissa G.Verified BuyerReviewingSiemens Q115 - 15A 1 Pole Miniature Circuit BreakerI recommend this productRated 5 out of 5 stars9/18/26Quick delivery and great price.
The circuit breakers are at a great cost.
- JBJason B.Verified BuyerReviewingSiemens Q2150B - 150A 2 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars9/18/26Great experience
The product was exactly what I needed and it arrived on time.
- DQDon Q.Verified BuyerReviewingSiemens Q3100 - 100A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars9/14/26Siemens breaker
Great customer experience, great prices and fast shipping... Definitely will be buying her again.
- CSChristopher S.Verified BuyerRated 5 out of 5 stars8/12/26Siemens 60
Perfect new condition
- GSGeorge S.Verified BuyerReviewingSiemens Q2150B - 150A 2 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars3/4/26Great service
Every time I call or go online you have the parts I'm looking for.