SQUARE D HDL36125AA Molded Case Circuit Breaker, 125A, 18kAIC at 480V, 3 Phase
Get it by Thursday, Apr 2
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Product Specifications:
| Item | Circuit Breaker |
| Accessory/separate Part Type | Auxiliary Switch 24V AC/DC 1 NO + 1 NC Cover Frame |
| Ambient Air Temp. For Operation | -13°F to +158°F |
| Ambient Air Temp. For Storage | -58°F to +185°F |
| Amps | 125A |
| Awg Gauge | 14 AWG to 3/0 AWG |
| Breaking Capacity | 25 kA 240V AC 50/60 Hz UL 489, 18 kA 480V AC 50/60 Hz, 14 kA 600V AC 50/60 Hz, 20 kA 250V DC |
| Breaking Capacity Code | D |
| Circuit Breaker Application | HACR Rated |
| Color | Black |
| Communication Interface | Modbus, Ethernet |
| Component Type | Circuit Breaker |
| Continuous Amps Rating | 80% |
| Control Type | Toggle |
| Depth | 3.4" |
| Device Application | Distribution |
| Electrical Connection | Lugs, Line, Load |
| Frame Type | HDL |
| Height | 6 2/5" |
| Ip Degree Of Protection | IP40 |
| Line Rated Amps | 125A |
| Local Signalling | Switched Off 1 Trip Indicator Green |
| Magnetic Hold Amps | 900A |
| Magnetic Tripping Amps | 1700A |
| Mounting Mode | Unit Mount Lug |
| Mounting Support | Lug |
| Network Frequency | 50/60 Hz |
| No. Of Poles | 3 |
| Number Of Poles | 3 |
| Number Of Slots | 5 |
| Operating Altitude | 0 ft. to 6561.68 ft. Without Derating, 5000m With Derating |
| Pollution Degree | 3 IEC 60947-1 |
| Power Wire Stripping Length | 0.6" |
| Quality Labels | ce.png |
| Quantity Per Set | 1 |
| Rated Impulse Withstand Voltage | 8 kV |
| Rated Insulation Voltage | 750V |
| Rated Operational Voltage | 690V |
| Rated Service Breaking Capacity | 25 kA @ 220/240V AC @ 50/60 Hz, 18 kA @ 380/440/415V AC @ 50/60 Hz, 14 kA @ 500/525V AC @ 50/60 Hz, 20 kA @ 250V DC, 20 kA @ 500V DC |
| Returnability | No |
| Suitability For Isolation | Yes, IEC 60947-2 |
| Tightening Torque | 44.3 lbf.in. @ 0.004 sq. in. to 0.009 sq. in. @ 14 AWG to 10 AWG, 123.9 lbf.in. @ 0.02 sq. in. to 0.1 sq. in. @ 8 AWG to 3/0 AWG |
| Trip Unit Technology | Thermal-Magnetic |
| Utilisation Category | Category A |
| Voltage | 600V |
| Voltage Type | AC |
| Width | 4.09" |
Shipping Info:
| Ship weight (kg) | 2.25 |
| Ship height (cm) | 16.26 |
| Ship length (cm) | 11.07 |
| Ship width (cm) | 10.46 |
| Country of Origin | US |
Product Details:
- Square D HDL36125AA feed-thru circuit breaker designed for limiting let-through currents to protect downstream components in power distribution applications
- Non-interchangeable thermal magnetic trip with long time & instantaneous trip functions for reacting against severe short-circuits at once while avoiding tripping on mild overloads
- Features line & load side lug terminals for hassle-free wiring & unit mounting for ease-of-installation
- Ideal for accommodating 14 - 3 AWG aluminium & copper wiring and suitable for reverse feed operations
- CE-marked & UL-listed
Product Variants
| Product | Model | Number Of Poles | Amps | Phase | High Amp Trip Setting | Low Amp Trip Setting | Magnetic Hold Current | Magnetic Tripping Current | Circuit Breaker Type | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
![]() |
HDL36060 | 3 | 60A | 3 | 1450A | 800A | - | - | Standard | €942.73 | |
![]() |
HDL26015 | 2 | 15A | 1 | 750A | 350A | 350A | 750A | Standard | €824.83 | |
![]() |
HDL26020 | 2 | 20A | 1 | 750A | 350A | - | - | Standard | €824.83 | |
![]() |
HDL26025 | 2 | 25A | 1 | 750A | 350A | - | - | Standard | €892.15 | |
![]() |
HDL26030 | 2 | 30A | 1 | 750A | 350A | - | - | Standard | €824.83 | |
![]() |
HDL26040 | 2 | 40A | 1 | 850A | 400A | - | - | Standard | €824.83 | |
![]() |
HDL26050 | 2 | 50A | 1 | 850A | 400A | - | - | Standard | €824.83 |
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SQUARE D HDL36125AA Molded Case Circuit Breaker, 125A, 18kAIC at 480V, 3 Phase



