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Eaton / Cutler-Hammer FG3150 Molded Case Circuit Breaker

  • 150A
  • 3 Pole
  • Unit Mount
Eaton / Cutler-Hammer FG3150
Molded Case Circuit Breaker
Brand Eaton / Cutler-Hammer
SKU FG3150
Select Item Condition
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  • 150A
  • 3 Pole
  • Unit Mount

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Eaton / Cutler-Hammer FG3150 - 150A 3 Pole Molded Case Circuit Breaker

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$2,401.88 In Stock

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Description

Delivering 150 amps of continuous current, the Eaton FG3150 is a specialized F-Frame MCCB tailored for diesel engine generator setups requiring precise protection. This 3-pole breaker is compatible with Eaton Series C panelboards, motor control centers, and switchboards. It features a unit mount configuration and accepts 4 to 4/0 AWG wire. Equipped with fixed thermal-magnetic trips, it supports reverse feed applications and uses a low magnetic pickup for accurate low-capacity tripping.

Specifications

Key specifications
Brand Eaton / Cutler-Hammer
Part Number FG3150
Series FG
Amperage 150A
Poles 3
Mounting Style Unit Mount
Voltage 240VAC, 480VAC, 600VAC
Phase 3
AIC Rating 18kA @ 240VAC, 14kA @ 480VAC, 10kA @ 600VAC
Fit and installation
Frame Type FG
Terminal Type Lugs
For Use With Eaton Series C Panelboards, Switchboards, Motor Control Centers, Diesel Engine Generators
Wire Gauge 4 AWG - 4/0 AWG
Max Wire 4/0 AWG
Min Wire 4 AWG
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, Undervoltage Release, Alarm Switch
Accessories Line and Load Terminals
Standards CSA C22.2 No. 5, IEC 60947-2, UL 489
Approval CSA, IEC, UL
Temp Rating 40C
Construction Features Engine Generator Rated, Reverse Feed, Low Magnetic Pickup, HACR Rated
Special Features Engine Generator Rated

Product FAQs

6 answers
What enclosures or panelboards accept the FG3150?

The FG3150 is designed for use in Eaton Series C panelboards, switchboards, motor control centers, and diesel engine generator enclosures.

What wire size and material are accepted by the standard lugs on the FG3150?

The standard lugs accept 4 AWG to 4/0 AWG wire and are compatible with both copper (Cu) and aluminum (Al) conductors.

Can the FG3150 circuit breaker be reverse fed?

Yes, this thermal-magnetic breaker is suitable for reverse feed applications, allowing flexibility in wiring configurations.

Does the FG3150 have adjustable trip settings?

No, it features a fixed thermal and fixed magnetic trip unit, meaning the overload and short-circuit protection thresholds cannot be adjusted.

Can the FG3150 replace older Westinghouse F-frame breakers?

Yes, the Eaton Series C FG3150 can often replace older Westinghouse F-frame breakers, but you must verify that the interrupting capacity meets your system requirements.

What type of trip unit is used in the FG3150?

It uses a thermal-magnetic (LI) trip unit, which provides long-time overload protection and instantaneous short-circuit protection.

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