EATON FD3090 Molded Case Circuit Breaker, 3-Pole, 90 A, 600 Vac, 250 Vdc, Load Side, 50/60 Hz

Eaton FD3090 C Series circuit breaker prevents damage to the circuit due to excess current (overloads) or short circuits in connected receptacles, branch circuits, motors and HVACs / HVARs. This 50 / 60 Hz complete breaker has a current rating of 90A and a voltage rating of 600VAC / 250VDC at a temperature rating of 40 degrees C.

Working Mechanism:

• Mount the unit loosely on a panel or mounting surface while ensuring that the accessory wirings can be reached and the unit can be mounted.
• Install & tighten the mounting using screws, washers & nuts.
• Install an optional terminal end cover if required and then connect the line & load terminals to the accessory leads. Install the terminal shield & interphase barrier if necessary.
• Finally, check all the mounting & terminal connecting hardware to finish up the installation.
• Switch the circuit breaker On to pass current through the contacts.
• When a fault or issue is detected, these contacts move away from each other and trip the unit.
• Users should first troubleshoot the issue before resetting the breaker.
• In case of a thermal trip, the circuit breaker needs to cool down first before resetting.

Features:

• Eaton FD3090 circuit breaker has standard pressure load terminals (load side terminals) for quick installation of 14 to 1/0 AWG circuit wires.
• This 3-pole complete breaker is equipped with fixed thermal & fixed magnetic contacts for high speed "blow-open" action.
• It has bolt-on mounting style for easy & secure installation on panels.
• This breaker unit has a completely moulded case for housing current-carrying parts, trip devices & mechanisms inside it.
• It has an F-frame to offer reverse-feed capability.
• The unit's handle actuator (toggle) has three positions (ON, OFF and trip) for easy identification of the breaker's status.

Compatible Accessories:

• Load Centres, Panels & Switchboards: This Eaton FD3090 breaker is mounted onto these load centres, panelboards, switchboards and motor control centres for circuit protection.

Standards and Approvals:

• UL
• NEMA AB1 Enclosure
• IEC 157-1
• CSA

Frequently Asked Questions:

Q. What are the different interrupt ratings of this Eaton FD3090 circuit breaker?

A. This Eaton FDC3100 breaker has a maximum interrupt rating of 65kA at 240VAC input.

Q. What are points to inspect before operating this Eaton FD3090 circuit breaker?

A.

• Keep the area around the breaker clean by using an enclosure. Remove the dust, dirt, grease, moisture, foreign contaminants or any safety hazards near the circuit breaker area.
• Check that the unit's mechanical linkages like the toggle actuator are free to move by switching the unit ON & OFF several times.
• Press the optional push-to-trip button at the bottom side of the unit to mechanically test the circuit breaker.
• Inspect the unit of any cracks, chipping, discolouration or any sign of overheating. Tighten the terminals & connectors. Check the mounting hardware.

Q. What is the operating temperature rating of this circuit breaker?

A. This Eaton FD3090 circuit breaker can operate at temperatures ranging from -4 to 158 degrees F.