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Siemens CQD330 Molded Case Circuit Breaker
- 30A
- 3 Pole
- DIN Rail
Siemens
CQD330
Molded Case Circuit Breaker
Brand
Siemens
SKU
CQD330
Quantity
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Siemens CQD330 - 30A 3 Pole Molded Case Circuit Breaker
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Description
Engineered for commercial and industrial applications, the Siemens CQD330 is a 3-pole, 30A molded case circuit breaker from the SENTRON family. It provides reliable thermal-magnetic protection with long-time and instantaneous trip functions. This breaker mounts onto standard DIN rails, making it an excellent choice for OEM panels and specialized enclosures. The unit includes factory-installed line and load lugs, supporting 14-6 AWG copper or 12-6 AWG aluminum wire.Specifications
| Brand | Siemens |
|---|---|
| Part Number | CQD330 |
| Series | CQD |
| Amperage | 30A |
| Poles | 3 |
| Mounting Style | DIN Rail |
| Voltage | 120VAC, 240VAC, 480Y/277VAC, 125/250VDC |
| Phase | 3 |
| AIC Rating | 65kA @ 120VAC, 65kA @ 240VAC, 14kA @ 480Y/277VAC, 14kA @ 125/250VDC |
| Frame Type | CQD |
|---|---|
| Terminal Type | Lugs |
| For Use With | DIN Rail Enclosures, OEM Panels |
| Wire Gauge | 14-6 AWG (Cu), 12-6 AWG (Al) |
| Max Wire | 6 AWG |
| Min Wire | 14 AWG (Cu), 12 AWG (Al) |
| 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 |
|---|---|
| Accessories | Line and Load Lugs Included |
| Standards | CSA C22.2 No. 5, HACR, IEC 60947-2, RoHS, UL 489 |
| Approval | CE, CSA, UL |
| Temp Rating | -25C to 70C |
| Construction Features | HACR Rated, HID Rated, Reverse Feed, Common Trip, Trip-Free Mechanism, Quick-Make/Quick-Break, Non-Interchangeable Trip |
Product FAQs
7 answersWhat is the difference between Siemens CQD and BQD circuit breakers?
While both share the same 1 inch per pole frame size and electrical ratings, their mounting methods differ. CQD breakers like the CQD330 are designed for DIN rail mounting with a cable-in and cable-out feed-thru connection. BQD breakers are bolt-on units designed specifically for installation in Siemens panelboards.
What size DIN rail is required to mount the CQD330?
The Siemens CQD330 is designed to mount on a standard 35mm DIN rail, which is typical for OEM panels and DIN rail enclosures.
Is the Siemens CQD330 suitable for reverse feed applications?
Yes, Siemens CQD series circuit breakers are UL Listed for reverse feed applications.
Is the CQD330 rated for use with HVAC equipment?
Yes, the 3 pole CQD330 is HACR rated, making it suitable for use with heating, air conditioning, and refrigeration equipment.
Can the CQD330 be used on a 3 phase delta 480V grounded B phase system?
No, Siemens CQD series breakers are not suitable for 3 phase delta 480V AC grounded B phase applications.
Can I add a shunt trip or auxiliary switch to the CQD330?
Yes, shunt trips, auxiliary switches, and alarm switches are available as add-on modules for CQD frame breakers. Only one accessory module can be attached, and it must be mounted on the left side of the circuit breaker.
Does the CQD330 carry a CE mark for international applications?
Yes, 15A through 30A Siemens CQD circuit breakers meet IEC 60947-2 standards and carry the CE mark.
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Reviews
Review summary
Customers rate this product 5.0 out of 5 based on 1 review.
Total 5 star reviews: 1 Total 4 star reviews: 0 Total 3 star reviews: 0 Total 2 star reviews: 0 Total 1 star reviews: 0
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1 review
- LSLuis S.ReviewingSiemens CQD350 - 50A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars10/29/17Excellent service
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