EATON GHB3020 Molded Case Circuit Breaker, Type Ghb, 3-Pole, 20 A, 480Y/277 Vac, 125/250 Vdc

Eaton GHB3020 circuit breaker is an Eaton Series C moulded case circuit breaker ideal for use in panelboard, switchboard, motor control centre and busway applications to protect branch circuits. This bolt-on panelboard circuit breaker prevents overloads & short circuits in conductors & connected apparatus like motors and motor starters.

Working Mechanism:

• Eaton GHB3020 circuit breaker features current-carrying contacts that touch each other normally for allowing the current to pass through.
• When it detects any fault, the contacts move away from each other, thereby tripping the circuit.
• Users can switch the circuit back On by resetting it after troubleshooting the issue.

Features:

• Eaton GHB3020 circuit breaker has a NEMA 4 enclosure for weather resistance & accommodating 14 to 10 AWG wires.
• Its patented fixed thermal / fixed magnetic / non-interchangeable contact design features a high speed "blow open" action for superior tripping performance.
• This breaker's bolt-on mounting style allows easy installation on panels or switchboards.
• It has a G-frame design suitable for reverse feed use.

Compatible Accessories:

• Eaton Load Centres & Panels: This Eaton GHB3020 breaker can easily fit onto these load centres & panels for smooth operation.
• Alarm Signals: These alarms signal the users of any incidence of tripping for quick troubleshooting.
• Lockout Switches: Users can also lock this circuit breaker using a padlock for preventing unauthorised action.

Standards and Approvals:

• UL
• Federal Specifications Classification W-C375B

Frequently Asked Questions:

Q. What are the different performance ratings of this Eaton GHB3020 circuit breaker?

A. Eaton GHB3020 breaker has a current rating of 20A, an interrupt rating of 65 kAIC at 240VAC & 14 kAIC at 480Y / 277VAC and a voltage rating of 480Y / 277VAC & 125 / 250VDC.

Q. What is the number of poles available in this circuit breaker?

A. Eaton GHB3020 breaker is a three-pole circuit interrupter for personnel protection.

Q. What temperatures are suitable for this circuit breaker?

A. Eaton GHB3020 operates at temperatures ranging from 60 to 75 degrees C.

Q. How to install this Eaton GHB3020 circuit breaker?

A.

• Make sure that this breaker is suitable for the application. Switch off the main power to the circuit.
• Remove panelboard front rim & then remove the unit's line-end conductor retaining screw from the bus bar.
• Attach the unit's load-end retaining recess under the hook rail & fix the line-end conductor securely to the bus bar using screws.
• After proper mounting, connect the load terminals & accessory leads.
• Install the panelboard front rim.