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Square D FAL14070 Molded Case Circuit Breaker
- 70A
- 1 Pole
- Unit Mount
Square D
FAL14070
Molded Case Circuit Breaker
Brand
Square D
SKU
FAL14070
Quantity
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Square D FAL14070 - 70A 1 Pole Molded Case Circuit Breaker
New
Quantity
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Description
The FAL14070 is a 1-pole, 70A unit mount MCCB from Square D's F-Frame series. It provides long-time and instantaneous (LI) protection. The "L" prefix indicates standard line and load lugs. Designed for Square D enclosures, it serves as an exact replacement for aging systems. While superseded by the BDL16070, using this original frame avoids costly panel retrofits. Rated 18kAIC at 277VAC, it features fixed thermal-magnetic trip settings and is HACR rated.Specifications
| Brand | Square D |
|---|---|
| Part Number | FAL14070 |
| Series | FAL |
| Amperage | 70A |
| Poles | 1 |
| Mounting Style | Unit Mount |
| Voltage | 120VAC, 277VAC, 125VDC |
| Phase | 1 |
| AIC Rating | 25kA @ 120VAC, 18kA @ 277VAC, 10kA @ 125VDC |
| Frame Type | FAL |
|---|---|
| Terminal Type | Lugs |
| For Use With | Square D Enclosures, Switchboards, Panelboards |
| Wire Gauge | 14-1/0 AWG (Cu), 12-1/0 AWG (Al) |
| Max Wire | 1/0 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, Undervoltage Release, Padlock Attachment |
|---|---|
| Accessories | Line and Load Lugs Included |
| Standards | CSA C22.2 No. 5, HACR Rated, NEMA AB 1, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Visual Trip Indicator |
Product FAQs
7 answersIs the Square D FAL14070 circuit breaker still actively manufactured?
The Square D F-frame series is a legacy product and is considered obsolete by the manufacturer. The Schneider Electric PowerPact B-frame is the designated modern replacement for F-frame applications, though exact retrofits depend on your mounting configuration.
What type of enclosures or panels is the FAL14070 compatible with?
This is a unit-mount breaker designed for use in standard Square D enclosures, switchboards, and panelboards. It mounts using screws or brackets and does not plug into an I-Line busbar.
Can I install this breaker in a Square D I-Line panelboard?
No. The FAL14070 is a unit-mount breaker with lugs on both ends. For an I-Line panelboard, you must use an FA series breaker, which features an I-Line plug-on jaw on the line side instead of a lug.
What does a feed-thru connection mean for this breaker?
A feed-thru connection means the breaker is equipped with mechanical lugs on both the line and load sides. It is hardwired directly into the circuit rather than plugging onto a panelboard busbar.
What wire sizes are accepted by the lugs on the FAL14070?
The factory lugs accept 14 to 1/0 AWG copper wire or 12 to 1/0 AWG aluminum wire.
Can the FAL14070 be used in DC power systems?
Yes, this thermal-magnetic breaker is rated for use in DC applications up to 125VDC, with an interrupting capacity of 10kA.
Are the trip settings adjustable on the FAL14070?
No. This breaker features a fixed thermal and fixed magnetic trip unit, meaning the long-time and instantaneous trip functions cannot be adjusted in the field.
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