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Square D HDL26045 Molded Case Circuit Breaker
- 45A
- 2 Pole
- Unit Mount
Square D
HDL26045
Molded Case Circuit Breaker
Brand
Square D
SKU
HDL26045
Quantity
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Square D HDL26045 - 45A 2 Pole Molded Case Circuit Breaker
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Quantity
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Description
Providing 45A of thermal-magnetic protection, this Square D PowerPacT H-Frame MCCB is engineered for demanding industrial environments. The 2-pole breaker features fixed long-time and instantaneous (LI) functions to safeguard critical electrical circuits. It easily installs into control panels using unit-mount lugs and replaces discontinued FAL22045 F-Frame models. Rated for 14 kAIC at 600VAC, this current-limiting breaker includes Visi-Trip technology for rapid fault identification.Specifications
| Brand | Square D |
|---|---|
| Part Number | HDL26045 |
| Series | HDL |
| Amperage | 45A |
| Poles | 2 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 480Y/277VAC, 480VAC, 600Y/347VAC, 600VAC, 250VDC |
| Phase | 1 |
| AIC Rating | 25kA @ 240VAC, 18kA @ 480Y/277VAC, 18kA @ 480VAC, 14kA @ 600Y/347VAC, 14kA @ 600VAC, 20kA @ 250VDC |
| Frame Type | H |
|---|---|
| Terminal Type | Lugs |
| For Use With | Industrial Control Panels, Switchboards, PowerPacT H-Frame Enclosures |
| Wire Gauge | 14 AWG-3/0 AWG (Al/Cu) |
| Max Wire | 3/0 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 | Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch, Padlock Attachment, Motor Operator, Rotary Handle |
|---|---|
| Accessories | Line and Load Lugs |
| Standards | CSA C22.2 No. 5, IEC 60947-2, NEMA AB 1, UL 489 |
| Approval | CE, CSA, IEC, NOM, UL |
| Temp Rating | -25C to 70C |
| Construction Features | HACR Rated, Reverse Feed, Non-Interchangeable Trip, 80% Rated, Visual Trip Indicator, RoHS Compliant, Mercury Free |
Product FAQs
6 answersHow does the HDL26045 mount in a panel?
This is a unit-mount circuit breaker. It secures directly to a backpan or mounting plate using screws and connects to the power source via the included line and load lugs, rather than plugging onto a busbar like an I-Line breaker.
What does the D in the HDL26045 catalog number indicate?
The D specifies the interrupting rating tier within the Square D PowerPacT H-Frame family. It denotes a standard interrupting capacity of 18kA at 480VAC and 25kA at 240VAC.
What type of wire can be used with the terminals on this breaker?
The factory-installed lugs accept either copper or aluminum conductors ranging from 14 AWG to 3/0 AWG.
What types of enclosures are compatible with this breaker?
The HDL26045 is designed for use in standard PowerPacT H-Frame enclosures, switchboards, and industrial control panels that accommodate unit-mount configurations.
Can the trip settings on the HDL26045 be adjusted?
No. This breaker features a thermal-magnetic trip unit with fixed long-time and fixed instantaneous trip functions. The settings cannot be modified in the field.
Can field-installable accessories be added to this breaker?
Yes, the PowerPacT H-Frame design allows for the installation of internal accessories such as auxiliary switches, alarm switches, and shunt trips behind the front cover.
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