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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
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  • 70A
  • 1 Pole
  • Unit Mount

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Square D FAL14070 - 70A 1 Pole Molded Case Circuit Breaker

Square D FAL14070 - 70A 1 Pole Molded Case Circuit Breaker

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$198.13 In Stock

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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 While superseded by the BDL16070, using this original frame avoids costly panel retrofits.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

Key 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
Fit and installation
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)
Protection and operation
Trip Technology Thermal Magnetic
Trip Function Code LI
Trip Function Long-Time, Instantaneous
Trip Adjustability Fixed Thermal, Fixed Magnetic
Standards and features
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 answers
Is 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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