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Siemens FXD62B080 Molded Case Circuit Breaker

  • 80A
  • 2 Pole
  • Unit Mount
Siemens FXD62B080
Molded Case Circuit Breaker
Brand Siemens
SKU FXD62B080
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  • 80A
  • 2 Pole
  • Unit Mount

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Siemens FXD62B080 2 Pole Circuit Breaker

Siemens FXD62B080 - 80A 2 Pole Molded Case Circuit Breaker

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$1,188.75 In Stock

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Description

Operating at 80 amps, this two-pole molded case breaker utilizes a non-interchangeable trip unit to safeguard commercial systems. The rugged FD frame design ensures consistent performance across 600V networks. Compatibility spans across Siemens P1, P2, and P3 panelboards, as well as Sentron switchboards. Because it ships without lugs, contractors must procure the appropriate terminal kits. With a 65kA rating at 240VAC, this HACR-certified unit handles demanding HVAC loads.

Specifications

Key specifications
Brand Siemens
Part Number FXD62B080
Series FXD6
Amperage 80A
Poles 2
Mounting Style Unit Mount
Voltage 240VAC, 480VAC, 600VAC, 250VDC
Phase 1
AIC Rating 65kA @ 240VAC, 35kA @ 480VAC, 22kA @ 600VAC, 30kA @ 250VDC
Fit and installation
Frame Type FXD
Terminal Type Lugs
For Use With Siemens P1, P2, P3 Panelboards, Sentron Switchboards, Motor Control Centers, Sentron Enclosures
Wire Gauge 6 AWG - 350 kcmil (Cu), 4 AWG - 350 kcmil (Al)
Max Wire 350 kcmil
Min Wire 6 AWG (Cu), 4 AWG (Al)
Protection and operation
Trip Technology Thermal Magnetic
Trip Function Code LI
Trip Function Long-Time, Instantaneous
Trip Adjustability Fixed Thermal, Adjustable Magnetic
Standards and features
Available Options Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch, Motor Operator, Rotary Handle, Lug Kits
Accessories None included
Standards CSA C22.2 No. 5, IEC 60947-2, NEMA AB 1, UL 489
Approval CSA, IEC, UL
Temp Rating 40C
Construction Features HACR Rated, Reverse Feed, Non-Interchangeable Trip

Product FAQs

8 answers
What enclosures and panelboards accept the FXD62B080?

This FD-frame breaker is compatible with Siemens P1, P2, and P3 panelboards, as well as Sentron switchboards, motor control centers, and Sentron enclosures. Specific mounting hardware or strap kits are required depending on the exact panel or enclosure.

Can the FXD62B080 replace older ITE or Siemens-Allis FD-frame breakers?

Yes, the Siemens FXD62B080 serves as a direct replacement for legacy ITE and Siemens-Allis 2-pole FXD6 breakers. It shares the same physical dimensions, mounting footprint, and bolt-on configuration.

How does the adjustable magnetic trip work on the FXD62B080?

This breaker features a fixed thermal element for overload protection and an adjustable magnetic trip for short-circuit protection. The magnetic trip can be adjusted via a dial on the front of the breaker to fine-tune the instantaneous trip threshold based on the specific load requirements.

Is the FXD62B080 rated for 100 percent continuous load?

No, standard Siemens FXD6 breakers are standard-rated. For continuous loads, the breaker should be applied at no more than 80 percent of its 80A nominal rating in accordance with standard NEC guidelines.

Is this breaker suitable for reverse feed applications?

Standard Siemens Sentron FD-frame thermal-magnetic breakers are generally suitable for reverse feed applications unless specifically marked with Line and Load designations. Always verify the physical markings on the breaker faceplate prior to reverse feeding.

Does this breaker provide ground fault or arc fault protection?

No, the FXD62B080 is a standard thermal-magnetic breaker providing only long-time (overload) and instantaneous (short-circuit) protection. It does not include equipment ground fault (GFPE), personnel ground fault (GFCI), or arc fault (AFCI) protection.

What mounting hardware is required to install this breaker in a Siemens panelboard?

Installing the FXD62B080 in Siemens P1, P2, or P3 panelboards requires a specific strap kit or mounting hardware kit, which is sold separately. The exact kit depends on the panelboard type and whether it is a single or twin mount configuration.

Are the terminal lugs included with the FXD62B080?

Yes, this breaker includes factory-installed line and load lugs suitable for both copper and aluminum conductors. Always refer to the breaker label for proper torque specifications during installation.

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