Siemens CQD190 Molded Case Circuit Breaker
- 90A
- 1 Pole
- DIN Rail
Quantity
Siemens CQD190 - 90A 1 Pole Molded Case Circuit Breaker
New
Quantity
Description
Delivering 90 amps of reliable protection, this single-pole Siemens MCCB is ideal for heavy-duty commercial environments. The CQD190 utilizes proven thermal-magnetic trip technology to defend critical industrial equipment. This compact 1-inch wide breaker installs onto standard DIN rails, ensuring seamless integration into OEM control panels and machinery enclosures. It features a 14kAIC interrupting capacity at 277VAC, comes HACR rated, and supports reverse feed wiring configurations.Specifications
| Brand | Siemens |
|---|---|
| Series | CQD |
| Amperage | 90A |
| Poles | 1 |
| Mounting Style | DIN Rail |
| Voltage | 120VAC, 240VAC, 277VAC, 125VDC |
| Phase | 1 |
| AIC Rating | 65kA @ 120VAC, 65kA @ 240VAC, 14kA @ 277VAC, 14kA @ 125VDC |
| Terminal Type | Lugs |
|---|---|
| For Use With | DIN Rail Enclosures, OEM Panels |
| Wire Gauge | 8-1 AWG (Cu), 6-1/0 AWG (Al) |
| Max Wire | 1 AWG (Cu), 1/0 AWG (Al) |
| Min Wire | 8 AWG (Cu), 6 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, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 40C |
Product FAQs
6 answersWhat size DIN rail is required for mounting the CQD190?
The CQD190 is designed to snap onto standard 35mm DIN rail, which is the industry standard for industrial control panels and automation enclosures.
What is the difference between Siemens BQD and CQD circuit breakers?
Both series share a compact 1-inch pole width and similar internal components. The difference lies in the mounting style. BQD breakers are designed for panelboard installations, while CQD breakers are built for independent mounting on standard DIN rail or direct surface bolting.
Is the CQD190 suitable for use in direct current (DC) control circuits?
Yes, in addition to its AC ratings, the CQD190 is UL Listed for DC applications up to 125VDC, providing a 14kAIC interrupting capacity for DC control panels and equipment.
Can the Siemens CQD190 be reverse fed?
Yes, Siemens CQD series breakers are UL Listed for reverse feed applications. This allows panel builders to supply incoming power to either the line or load terminals based on the enclosure layout.
Is the CQD190 circuit breaker HACR rated?
Yes, Siemens CQD breakers in this amperage range carry an HACR rating, meaning they are tested and approved for use with heating, air conditioning, and refrigeration equipment.
Can the CQD190 be installed in a standard residential breaker box?
No. The CQD190 is a DIN rail mounted breaker intended for OEM equipment and industrial control panels. It is not compatible with the busbar designs found in standard residential load centers.
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Reviews
Review summary
Customers rate this product 5.0 out of 5 based on 1 review.
- LSLuis S.ReviewingSiemens CQD350 - 50A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars10/29/17Excellent service
Ill recommend super breakers
Forever...
Good prices and fast delivery..