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Square D HDA260704 Molded Case Circuit Breaker
- 70A
- 2 Pole
- I-Line
Square D
HDA260704
Molded Case Circuit Breaker
Brand
Square D
SKU
HDA260704
Quantity
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Square D HDA260704 - 70A 2 Pole Molded Case Circuit Breaker
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Description
Engineered for commercial distribution, the Square D HDA260704 is a 2-pole, 70A molded case circuit breaker from the PowerPact H-frame family. It provides thermal-magnetic protection for 600VAC systems. This I-Line MCCB mounts into Square D panelboards and switchboards. Configured with a BC phase connection, it serves as an exact replacement for legacy FA26070BC breakers. Rated 18 kAIC at 480V, it features long-time and instantaneous (LI) trip functions and is HACR rated.Specifications
| Brand | Square D |
|---|---|
| Part Number | HDA260704 |
| Series | HDA |
| Amperage | 70A |
| Poles | 2 |
| Mounting Style | I-Line |
| Voltage | 240VAC, 480VAC, 600VAC, 250VDC |
| Phase | 1 |
| AIC Rating | 25kA @ 240VAC, 18kA @ 480VAC, 14kA @ 600VAC, 20kA @ 250VDC |
| Frame Type | H |
|---|---|
| Terminal Type | Lugs |
| For Use With | Square D I-Line Panelboards, Square D I-Line Switchboards |
| 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, Adjustable Magnetic |
| Available Options | Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch, Padlock Attachment, Motor Operator |
|---|---|
| Accessories | Phase Connection BC |
| Standards | CSA C22.2 No. 5, HACR, IEC 60947-2, NEMA AB 1, UL 489 |
| Approval | CE, CSA, IEC, NOM, UKCA, UL |
| Temp Rating | -25C to 70C |
| Construction Features | HACR Rated, Current Limiting, Visual Trip Indicator, Reverse Feed, 80% Rated, Phase Connection BC |
Product FAQs
6 answersWhich panelboards are compatible with the HDA260704 breaker?
This breaker is designed for use in Square D I-Line panelboards and I-Line switchboards. It utilizes a plug-in stab connection to mount directly to the bus system.
How does the I-Line mounting style work on the HDA260704?
The I-Line plug-in design features a stab assembly that pushes directly onto the panelboard busbars. A retaining bracket and screw are then tightened to secure the breaker in place, allowing for fast installation without individual wire connections to the bus.
What does the D in the HDA260704 catalog number signify?
The D indicates the interrupting rating tier within the Square D PowerPacT H-Frame family. For this breaker, it specifies an 18kA interrupting capacity at 480VAC.
What wire sizes are accepted by the lugs on this breaker?
The factory-installed lugs accept wire gauges from 14 AWG to 3/0 AWG. You can use either aluminum or copper conductors.
What type of trip unit is installed in this breaker?
It features a thermal magnetic trip unit providing Long-Time and Instantaneous protection. The thermal element is fixed, while the magnetic instantaneous trip is adjustable.
Is the HDA260704 part of the PowerPacT series?
Yes, this is a PowerPacT H-Frame molded case circuit breaker. It replaces older legacy Square D frame types with the modern PowerPacT architecture.
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