Square D FC34060-1021 Molded Case Circuit Breaker
- 60A
- 3 Pole
- I-Line
Quantity
Square D FC34060-1021 - 60A 3 Pole Molded Case Circuit Breaker
Re-Certified
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Description
Designed to support automated safety systems, the Square D FC34060-1021 is a 60A, 3-pole F-frame circuit breaker. It features a built-in 120-240VAC shunt trip, enabling users to remotely open the contacts during emergencies or control operations. This unit mounts into Square D I-Line panelboards via a plug-on connection. It is superseded by the PowerPact HJA36060SA series. With an interrupting rating of 65kAIC at 480VAC, it provides robust fault protection and a Visi-Trip indicator.Specifications
| Brand | Square D |
|---|---|
| Part Number | FC34060-1021 |
| Series | FC |
| Amperage | 60A |
| Poles | 3 |
| Mounting Style | I-Line |
| Voltage | 240VAC, 480Y/277VAC, 480VAC |
| Phase | 3 |
| AIC Rating | 100kA @ 240VAC, 65kA @ 480Y/277VAC, 65kA @ 480VAC |
| Terminal Type | Lugs |
|---|---|
| For Use With | Square D I-Line 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 | Auxiliary Switch, Undervoltage Release, Alarm Switch |
|---|---|
| Accessories | Shunt Trip (120-240VAC) |
| Standards | CSA C22.2 No. 5, NEMA AB 1, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Visual Trip Indicator, Extra High Interrupting Capacity |
Product FAQs
7 answersWhat does the -1021 suffix indicate on this Square D circuit breaker?
The -1021 suffix signifies that the breaker includes a factory-installed 120-240VAC shunt trip accessory. This allows the breaker to be tripped remotely by an external voltage signal, which is often required for emergency shutdown systems or remote monitoring.
What is the modern replacement for the legacy FC34060-1021?
The FC34060-1021 is a legacy F-frame circuit breaker. For modern infrastructure upgrades, it is typically replaced by the PowerPact H-frame equivalent, such as the HJA36060. Note that a comparable shunt trip accessory must be added to the replacement to match the -1021 suffix functionality.
Which panelboards are compatible with the FC34060-1021?
This breaker features an I-Line plug-on connection and is designed exclusively for installation in Square D I-Line panelboards and switchboards. It cannot be used in standard load centers or bolt-on applications.
What wire sizes are accepted by the terminals on this 60A breaker?
The factory lugs accept 14 AWG to 1/0 AWG copper conductors, or 12 AWG to 1/0 AWG aluminum conductors. Ensure proper torque specifications are followed during installation.
What is the maximum fault current this FC series breaker can safely interrupt?
This high-interrupting F-frame breaker is rated for a maximum interrupting capacity of 100kA at 240VAC and 65kA at 480VAC.
How does the I-Line mounting system work for this breaker?
The I-Line mounting style utilizes a specialized plug-on jaw connection that engages directly with the panelboard busbar. This design allows for faster installation and phase balancing without the need for bolted bus connections.
How does the thermal-magnetic trip unit function in this breaker?
The fixed thermal element provides Long-Time protection against sustained overloads, while the fixed magnetic element delivers Instantaneous protection to quickly clear severe short circuits.
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Reviews
Review summary
Customers rate this product 5.0 out of 5 based on 2 reviews.
- AMAlan M.ReviewingSquare D FC34050 - 50A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars5/25/21Breaker Order
All units were as described and sent quickly.
- JLJon L.ReviewingSquare D FC34030 - 30A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars8/10/20SQ D Breaker
Needed an older breaker for a last minute job. Super Breakers had it in stock and it was in my hands in 2 days. Saved the day.