GHB1030 - Cutler Hammer 30A 277VAC 1-Pole G-Frame Molded Case Circuit Breaker Bolt-On Mount

Product Overview

The GHB1030 is a Cutler Hammer G-frame molded-case circuit breaker rated 30 amps at 277 VAC for single‑pole protection. It is a bolt-on mount design intended for power distribution and branch-circuit protection.

This listing is for the exact SKU GHB1030. Verify the model number and required quantity before ordering; request a quote for pricing and availability.

Key Features

• Rated 30 A, 277 VAC, single-pole (1P) protection
• G-frame molded-case design
• Bolt-on mounting configuration
• Cutler Hammer OEM part number: GHB1030

What this breaker does

The GHB1030 provides overcurrent protection for a single circuit. As a 1-pole molded-case breaker it is used to protect branch circuits or equipment loads up to its 30 A ampacity at the specified voltage.

• Protects one phase/one hot conductor (single-pole)
• Intended for branch-circuit or equipment protection consistent with its ratings

Electrical rating and use

Use the GHB1030 where a 30 amp, 277 VAC single-pole circuit breaker is required. Select this model only if the system voltage and load characteristics match the breaker’s 30 A, 277 VAC rating.

• Ampacity: 30 A
• Voltage rating: 277 VAC
• Poles: 1 (single-pole)

Mounting and physical configuration

This breaker is a G-frame molded-case type with a bolt-on mounting arrangement. Bolt-on mount breakers secure to a panel or load center via fasteners rather than plug-in bus connections.

• Frame type: G-frame molded case
• Mount: bolt-on

Ordering and verification

This product page describes the exact SKU GHB1030. Confirm the part number and required quantity before ordering and request a quote for pricing and availability.

• Manufacturer part number: GHB1030
• Brand: Cutler Hammer
• If unsure about fit or compatibility, verify specifications against equipment documentation

Before You Order

Confirm the model number and quantity required before ordering. Request a quote for pricing and availability.

• Verify that 30 A and 277 VAC ratings meet your system and load requirements
• Confirm bolt-on mounting and physical fit with your panel or equipment
• If replacement, match GHB1030 exactly to the existing breaker markings and specifications

Ordering from Lumera Electric

Check the purchasing options shown on the Lumera Electric product page for GHB1030 - Cutler Hammer 30A 277VAC 1-Pole G-Frame Molded Case Circuit Breaker Bolt-On Mount. For project quantities or additional ordering requirements, use Request a Quote and provide the required quantity.