Designed for advanced control applications, this 100A F-frame molded case circuit breaker integrates a 120-240VAC shunt trip. This allows facility managers to remotely open the circuit for emergency shutdowns. It mounts securely into standard Square D commercial enclosures and switchboards. When transitioning to newer systems, this unit is replaced by the BDL36100 with a shunt trip accessory. Rated for 10kA at 240VAC, it provides reliable thermal-magnetic protection.
CSA C22.2 No. 5, HACR Rated, IEC 60947-2, NEMA AB 1, UL 489
Approval
CSA, IEC, UL
Temp Rating
40C
Construction Features
HACR Rated
Product FAQs
8 answers
What does the -1021 suffix mean on the FAL32100-1021?
The -1021 suffix indicates that this breaker includes a factory-installed 120/240VAC shunt trip. This accessory allows for remote tripping of the circuit breaker via an external control signal or emergency stop button.
What enclosures or panels is the FAL32100-1021 compatible with?
This F-frame breaker is designed for unit mounting in compatible Square D commercial enclosures and switchboards. It is bolted directly to the backpan and is not designed to plug onto an I-Line busbar.
What wire sizes are accepted by the lugs on the FAL32100-1021?
The factory-installed lugs on this 100A breaker are dual-rated for copper and aluminum conductors. They accept 14 AWG to 1/0 AWG copper wire, or 12 AWG to 1/0 AWG aluminum wire.
What is the modern replacement for the FAL32100-1021?
The legacy F-frame FAL32100-1021 is obsolete and has been replaced by the PowerPact B-frame series. The direct equivalent is the BDL36100, which requires a field-installable shunt trip accessory to match the -1021 functionality.
Are the trip settings adjustable on the FAL32100-1021?
No, this breaker features a fixed thermal-magnetic trip unit. Both the long-time overload and instantaneous short-circuit trip points are factory-set and cannot be adjusted in the field.
Does the FAL32100-1021 feature a Visi-Trip indicator?
Yes, this breaker includes Square D's Visi-Trip visual indicator. It displays a highly visible red flag when the breaker has tripped, making it easier to identify faults in a crowded panel.
How is the shunt trip wired on the FAL32100-1021?
The factory-installed 120/240VAC shunt trip includes pigtail leads that exit the side of the breaker. These leads must be connected to your external control circuit to enable remote tripping.
Is the FAL32100-1021 suitable for HVAC applications?
Yes, this F-frame breaker is HACR rated, meaning it is approved for use with heating, air conditioning, and refrigeration equipment.
SuperClub
Join free. Get 500 SuperPoints.
Earn points on eligible purchases and redeem them at checkout.
We source obsolete and hard-to-find parts every day.
Shipping
Free Shipping Policy
Parcel shipments with item value over $99 qualify for free economy shipping within the continental US. Please call to confirm special handling instructions. We do not charge a handling fee or require a minimum amount on any order. SuperBreakers does not ship on customer accounts.
We strive to ship out your items the same day the order is placed. In rare circumstances SuperBreakers may reserve up to 5 business days to consolidate orders for complete shipment.
Expedited Shipments
Orders being shipped via Next Day Air, 2 Day Shipping or 3 Day Shipping must be received by 3 PM EST to guarantee same-day shipments. Expedited orders only ship on normal business days. Shipments will NOT be sent out on Saturdays and Sundays.
International Shipping
All International orders require a $1,000 minimum order threshold. Due to the special nature of these shipments, we require that these be placed with a SuperBreakers representative. Additional shipping and instructions will apply. All International Orders are Non-Cancel and Non-Refundable.
Reviews
Review summary
Customers rate this product 5.0 out of 5 based on 39 reviews.
5.0
Rated 5.0 out of 5 stars
Based on 39 reviews
5
Rated out of 5 stars
38
4
Rated out of 5 stars
1
3
Rated out of 5 stars
0
2
Rated out of 5 stars
0
1
Rated out of 5 stars
0
Reviews Summary
Generated by AI from 39 most recent customer reviews
Last updated 9/25/26
Customers say this circuit breaker arrives in excellent condition and works as expected. The product performs flawlessly and functions reliably. Many reviews highlight fast shipping, competitive pricing, and quick delivery times. Users appreciate the availability of refurbished and obsolete models. The parts arrive well-packed and in like-new condition. Common feedback addresses excellent communication and straightforward ordering. Overall, customers report satisfaction with product quality, value, and prompt service fulfillment.
Square D FAL3603015M - 30A 3 Pole Motor Circuit Protector
I recommend this product
Rated 5 out of 5 stars
9/15/26
Great service!!!
Bought this to replace the faulty one. Shipped overnight and arrived at noon as promised. Works as new. Very happy with this. Awesome help from the staff. Definitely my go to place now.
Thank you.
MB
Michael B.
Verified Buyer
Reviewing
Square D FAL32030 - 30A 3 Pole Molded Case Circuit Breaker
I recommend this product
Rated 5 out of 5 stars
8/13/26
Great product
This item worked as expected and is good quality. SuperBreakers did a great job with communication and delivery.
ZB
Zachary B.
Verified Buyer
Reviewing
Square D FAL36040 - 40A 3 Pole Molded Case Circuit Breaker
I recommend this product
Rated 5 out of 5 stars
7/23/26
Perfect
Exactly what we needed and worked flawlessly. Thanks
JR
John R.
Verified Buyer
Reviewing
Square D FAL36100 - 100A 3 Pole Molded Case Circuit Breaker
I recommend this product
Rated 5 out of 5 stars
6/29/26
Circuit Breaker
The breaker was in "like new" condition and well packed for shipping. Excellent value overall!
RF
Ron F.
Verified Buyer
Reviewing
Square D FAL340801021 - 80A 3 Pole Molded Case Circuit Breaker
I recommend this product
Rated 5 out of 5 stars
5/13/26
Square D FAL340801021 - 80A 3 Pole Molded Case Circuit Breaker
As usual SB has the best price and delivery was spot on!