SCHNAP Logo

Making Trade Life Easy!
  • Menu
    • Cable
      • Power Cables
        • Building Wire (TPS)
        • Twin & Earth Cable
        • Aerial Bundle Cable
        • XLPE Cable
        • Orange Circular Cable
        • Flexible Cable
        • Flat Cable
        • Fire Rated Cable
      • Specialty Cable
        • Low Voltage / Garden Cable
        • Control & Security Cable
        • SDI Cable
        • Speaker / Figure 8 Cable
      • Data & Comms Cable
        • Cat5e / Cat6 / Cat6A Cable
        • Phone / Voice Cable
        • Coaxial / TV Cable
        • Automation Cable (C-Bus. KNX, Dynalite)
      • Fibre Optic Cable
        • Fiber Cable
        • Cheerline Cable
      • Solar Cable
      • Cable Accessories
        • Aluminium Lugs
        • Copper Lugs
        • Bi-Metal Lugs
        • Circuit Breaker Lugs
        • Bootlace Pins & Terminals
        • Bullet Terminals
        • Forked Terminals
        • Insulated Bell Terminals
        • Insulated Pins
        • Lug Terminals
        • Non Insulated Tabs
        • Piggy Back Terminals
        • Quick Disconnects
        • Stud Rings
        • Terminal Lip Blades
        • C Connectors
        • Crimp Links
        • Waterproof Crimp Links
        • In-Line Splices
        • Cable Joiners
        • View more →
      • Cable Support
        • Cable Tray
        • Cable Ladder
        • Tray & Ladder Accessories
        • Cable Ties, Clips & Straps
        • Catenary Wire & Accessories
        • Gripple
        • Hook & Loop
        • Saddles
        • Purlin Clips
        • Brackets
      • Conduit & Ducts
        • Heavy Duty Conduit
        • Medium Duty Conduit
        • Communications Conduit
        • NBN Conduit
        • Solar Conduit
        • Corrugated Conduit
        • Anaconda Pipe & Adaptors
        • Rubber / Flex Conduit
        • Split Conduit / Loom Tube
        • Conduit Fittings
        • Cable Duct
        • Skirting Duct & Accessories
        • Cable Covers
        • Cable Pulling Accessories
        • Pits, Pillars & Underground Enclosures
    • Circuit Protection
      • Switchboards & Meter Boxes
        • Flush Mounted Switchboards
        • Surface Mounted Switchboards
        • Temporary Switchboards
        • Temporary Switchboard Accessories
        • Distribution Boards
        • Meter Boxes
        • Plastic Enclosures
        • Metal Enclosures
        • Circuit Breaker Enclosures
        • NBN Enclosures
        • IP Rated Enclosures
        • Adaptable Boxes & Accessories
        • Pushbutton Enclosures
        • Junction Boxes
        • Extension Boxes
        • Enclosure Accessories
      • Switch Gear & Protection
        • AC Circuit Breakers
        • DC Circuit Breakers
        • Plug-In Circuit Breakers
        • Moulded Case Circuit Breakers (MCCB)
        • MCCB Accessories
        • Residual Current Devices (RCDs)
        • MCB / RCD / RCBO Combos
        • Surge Protection
        • Arc Fault Detection
        • Main Switches
        • Change Over Switches
        • Isolators
        • Contactors & Equipment
        • Contactor Accessories
        • Relays
        • Overload Relays
        • Relay Bases
        • Thermal Overloads
        • Electronic Overloads
        • Fuses & Fuse Holders
        • View more →
      • Timers
        • Analogue Timers
        • Digital Timers
        • Delay On/Off Timers
        • Multi Function Timers
        • Run On Timers
        • Switch Timers
      • Metering
        • Kilowatt Hour Meters
        • Kilowatt Hour Accessories
        • Run Time Meters
        • Current Transformers & Accessories
      • Switchboard Accessories
        • Busbars
        • Active Neutral Earth Bars & Links
        • Connection Clamps & Hooks
        • Connection Brackets
        • Connection Devices
        • Connection Tools
        • Mains Connection Boxes
        • Property Poles & Accessories
        • Hooks & Bolts
        • Glands
        • Bushes
        • Locknuts
        • Grommets
        • Din Rails
      • Earthing
        • Earthing Stakes
        • Earthing Clips & Clamps
        • Earthing Pits
        • Earthing Tags
        • Equipotential Bonding Solutions
    • Electrical
      • Powerpoints
        • Internal Powerpoints
        • Weatherproof Powerpoints
        • Specialty Outlets
        • USB Chargers
        • Suspension Outlets
      • Switches & Mechs
        • Internal Switches
        • Weatherproof Switches
        • Switch Mechs
        • Dimmers & Fan Controllers
        • Rotary Switches
        • Specialty Switches
      • Plugs, Sockets & Adaptors
        • Male Plug Tops
        • Female Plug Tops
        • Plug Bases
        • Extension Leads
        • Powerboards & Surge Protectors
        • Flex & Plugs
      • Cover Plates & Grid Plates
        • Switch Cover Plates
        • Powerpoint Cover Plates
        • Blank Cover Plates
        • Grid Plates
      • Mounting Accessories
        • Mounting Blocks
        • Wall Boxes
        • Mounting Plates & Accessories
        • Powerpoint Shrouds
        • Switch Shrouds
        • Weatherproof Enclosures
      • MATV & TV
        • TV Digital Antennas
        • TV Splitters & Taps
        • TV Amplifiers & Modulators
        • TV Coaxial Cable
        • TV Connectors & Tools
        • TV Brackets
        • TV Installation Hardware
        • TV Accessories & Mechs
        • HDMI Leads
        • HDMI Mechs
        • HDMI Extenders
      • Sensors, Bells & Chimes
        • Door Bells & Chimes
        • Movement Sensors
      • Lighting Parts
        • Capacitors
        • Ignitors
        • Magnetic Ballasts
      • Appliance Parts
        • Heating Elements
        • Thermostats
        • Float Switches
        • Fluid Level Alarms
        • Ripple Filters
    • Lighting
      • Indoor Lighting
        • Downlights
        • Battens
        • Batten Holders
        • Oysters
        • Panels & Troffers
        • Strip Lighting
        • Track Lighting
        • Cabinet Lighting
        • Heat Light Units
        • Wall Lights (Indoor)
      • Outdoor & Landscape
        • Floodlights
        • Bollard Lights & Accessories
        • Bunker Lights
        • Garden Lights
        • Step Lights
        • Deck Lights
        • Outdoor Wall Lights
        • Spot Lights
        • Street / Area Lights
      • Commercial & Industrial
        • High Bays
        • Shoplighters
      • Lamps & Globes
      • Ceiling Fan Lights & Fittings
      • Lighting Accessories
        • Ceiling Roses
        • General Lighting Accessories
      • Exit & Emergency
        • Exit Lights (LED)
        • Exit Parts & Accessories
        • Emergency Battens (LED & Weatherproof)
        • Emergency Floodlights
        • Emergency Spitfires (Recessed & Surface)
        • Emergency Test Kits & Log Books
        • Emergency Parts & Accessories
    • Heating & Cooling
      • Air Conditioning
        • Wall Split Air Conditioners
        • Ducted Air Conditioners
        • Heat Pumps & Accessories
      • Ceiling Fans
        • Ceiling Sweep Fans
        • Ceiling Fan Remotes
        • Extension Rods
      • Exhaust Fans
        • Internal Exhaust Fans
        • External Exhaust Fans
        • Inline Exhaust Fans
        • MixFlow Exhaust Fans
        • Fan Light Units
        • Heat Fan Light Units
        • Exhaust Fan Kits & Accessories
      • Heaters & Hand Dryers
        • Outdoor Heaters
        • Heat Transfer Units
        • Hand Dryers
      • Pedestal & Wall Fans
        • Pedestal Fans
        • Wall Mounted Fans
      • Louvres & Grilles
      • Ducting
        • Flexible Duct
        • Uninsulated Duct & Fittings
        • Rigid PVC Duct & Fittings
      • HVAC & Ducted Components
        • Pair Coil
        • Colorbond Trunking
        • Drip Trays & Drain Pipe
        • Condensate Pumps
        • Dektites
        • Duct Supporting Straps
        • Mounts & Brackets
        • Quick Connect Fittings
        • AC Cable
        • Tape & Accessories
      • Ducted Fittings
        • Dampers
        • Single & Double BTOs
        • Joiners & Reducers
        • Metal Boots / Boxes
        • Return Air Eggcrate Grilles
        • Return Air Insulated Boxes
        • Supply Air Grilles
        • Supply Air V Box
        • Y Branches
      • Zone & System Controls
        • Zone Controls
        • System Controllers & WiFi Modules
      • HVAC Tools
        • Manifold Gauges
        • Vacuum Pumps & Wireless Gauges
        • Recovery Units
        • Flaring & Expander Tools
        • Tube Cutters & Benders
        • Refrigerant Hoses
        • Leak Detectors
        • Charging Scales
        • Digital Torque Wrenches
        • Deburring Tools
        • Installation Support Tools
        • HVAC Cleaning Accessories
        • HVAC Tool Accessories
    • Data & Communications
      • Cabinets & Network Equipment
        • Data Cabinets
        • Open Frame Wall Mount
        • IP Rated Cabinets
        • Cabinet PDUs
        • Cabinet Accessories
        • Home Wiring Systems
        • Network Switches
        • Modems
        • PoE Injectors
        • SFP Modules
        • Media Converters
        • UPS (Uninterruptible Power)
        • Mobile Signal Boosters & Accessories
      • Copper Cabling Components
        • Patch Panels
        • Patch Leads
        • Cat6 / Cat6A Connectors
        • Jacks, Plugs & Crimps
        • Wallplates & Jack Adaptors
        • Data Enclosures
        • SM Modular Jack Box
        • Data Cable Management
        • Underground Enclosures
        • Data Accessories
      • Fibre Optic
        • Fibre Patch Leads
        • Fibre Pigtails
        • Fibre Through Connectors
        • Splice Enclosures & Trays
        • Fibre Fobots & Kits
        • Fibre Raceway
        • Fibre Cleaners
        • Cleerline Accessories
        • Fibre Accessories
      • Voice & NBN
        • Voice Frames & Backmount Frames
        • Voice Enclosures
        • Voice Connectors & Plugs
        • Voice Outlets
        • Voice Patch Panels
        • Voice Connect / Disconnect
        • Distribution Frames & Covers
        • Line Splitters
        • NBN Enclosures
      • Data & Comms Tools
        • Crimpers & Dies
        • Punch Down Tools
        • Cable Strippers
        • Jack Termination Tools
        • F-Type Crimpers
        • Fibre Tools
        • Cleerline Tools
        • Copper Tools
        • Cable / Network Testers
        • Digital Signal Finders
    • Smart Home & Automation
      • Automation
        • C-Bus Controllers
        • C-Bus Dimmer Controllers
        • C-Bus Keypads
        • C-Bus Mechs
        • C-Bus Sensors
        • C-Bus Output Boards
        • C-Bus Input Boards
        • C-Bus Built Boards
        • C-Bus Network Interface & Bridges
        • C-Bus PC Interface & Dongles
        • C-Bus Power Supply
        • C-Bus Bus Couplers
        • C-Bus Gateways
        • C-Bus Relays
        • C-Bus Wall Box & Plates
        • Clipsal Wiser
      • Smart Switches & Outlets
      • Smart Lighting
        • Smart Lighting Fittings
        • Smart Security Lighting
        • Smart Lighting Accessories
      • WiFi & Wireless
        • Access Points
        • Mesh Systems
        • WiFi Extenders
        • Point to Point Links
        • Cloud Keys
        • WiFi Cameras & Doorbells
      • Security & Surveillance
        • CCTV Cameras
        • NVRs / CCTV Recorders
        • CCTV HDDs
        • CCTV Kits
        • CCTV Solar Kits
        • Wireless CCTV
        • CCTV Accessories
      • Access Control
        • Electric Strikes
        • Exit Buttons
        • Keypad Access & Accessories
      • Intercoms
        • Intercom Kits
        • Intercom Add-Ons & Accessories
      • Alarms & Detection
        • Smoke Alarms
        • Heat Detectors
        • Smoke & Heat Detection Accessories
        • Wireless Modules
        • Break Glass
        • Alarm Accessories
        • Security Cable
        • Security Power Supplies
        • Security Tools
      • Home Entertainment
        • Speakers
        • Speaker Cable
        • Amplifiers
        • Audio Accessories
    • Solar & EV
      • Solar Panels
      • Inverters
        • Solar Inverters
        • Hybrid Inverters
        • Micro Inverters & Accessories
        • Inverter Accessories
        • Inverter Covers
      • Battery Storage
        • Battery Storage Units
        • All-In-One Hybrid & Battery
        • Battery Accessories
      • EV Chargers & Accessories
      • Solar Racking
        • Roof Mount Kits
        • Ground Mounting Systems
        • Individual Components
      • Solar BOS & Accessories
        • MC4 Connectors
        • Pre-Assembled MC4 Leads
        • BOS Kits
        • Solar Cable
        • Solar Conduit
        • Solar Cable Ties
        • Solar Glands
        • Combiner Boxes
        • Solar DC Breakers
        • Solar Isolators
        • Fuses & Disconnectors
        • Solar Breaker Enclosures
        • Edge Protection
        • Solar Dektites
        • Solar Labels
        • Other Solar Accessories
      • Network Protection Boards
      • Off-Grid Systems
      • Portable Power Solutions
      • Solar Tools
    • Industrial
      • Industrial Plugs & Sockets
        • Industrial Plugs
        • Industrial Sockets
        • Industrial Inlet Sockets
        • Industrial Outlets
      • Industrial Switchgear
        • Industrial Mounting Enclosures
        • Industrial Body Only Enclosures
      • Motors & Motor Control
        • Starting Equipment (DOL, Soft Starters)
        • Motor Control Accessories
      • Switching & Control
        • Push Buttons & Selector Switches
        • Emergency Stop Equipment
        • Foot Switches
        • Limit Switches
        • Toggle Switches
        • Sensors
      • Lights, Bells & Beacons
        • Pilot Lights
        • Bells / Sirens / Screamers
        • Strobe Beacons
      • Industrial Accessories
    • Tools
      • Hand Tools
        • Pliers
        • Cutters
        • Strippers
        • Crimpers & Dies
        • Screwdrivers
        • Hammers
        • Knives
        • Saw & Hacksaws
        • Tin Snips
        • Adjustable Wrenches
        • Allen Keys
        • Levels
        • Tape Measures
        • Caulking Guns
        • Rivet Guns
        • Cable Tie Guns
        • Banding Tensioning Tools
      • Power Tool Accessories
        • Drill Bit Sets
        • Drill Bit - Metal & Wood
        • Drill Bit - Masonry
        • Drill Bit - Glass & Tile
        • Drill Bit - Ceramic
        • Drill Bit - Long Series
        • Multi Purpose Drill Bits
        • Hole Saws & Kits
        • Hole Saw Blades & Accessories
        • Spade Bits & Kits
        • Step Drills
        • Auger Bits
        • Driver / Adapter Bits
        • Hexagonal Driver Bits
        • Extension Bars
        • Cut Off Discs
        • Flap Discs
        • Grinding Discs
        • Blades
        • Hacksaw Blades
      • Meters & Testers
        • Multimeters
        • Clamp Meters
        • Insulation Testers
        • RCD Testers
        • Loop Impedance Testers
        • Multifunction Testers
        • Voltage Testers
        • Phase Rotation Testers
        • Pair Testers
        • Appliance Testers
        • Lux Meters
        • Circuit Tracers
        • Butt Phones & Accessories
        • Meter Load Testers
        • Earthing Leads
        • Test Equipment Accessories
      • Heat & Soldering
        • Soldering Irons
        • Corded Heat Guns
        • Gas & Gas Torches
        • Solder
      • Work & Safety Lights
        • Torches & Work Lights
        • Magnets
      • Tool Storage
        • Tool Bags & Carriers
      • Tool Kits
      • Fixings & Hardware
        • Wood Screws
        • Metal Screws
        • Masonry / Brick Screws
        • Bakerlite Screws
        • Assorted Screw Packs
        • Nuts and Bolts
        • Nylon Nuts & Bolts
        • Washers
        • Rivets
        • Toggles
        • Wall Fixings
        • Wall Mates / Plaster Mates
        • Drop In Anchors
        • Dyna Bolts / Sleeve Anchors
        • Eye Bolts
        • Nylon Nail In Anchors
        • Screw Bolts
        • Wall Plugs
        • Chain
        • D Shackles
      • Consumables
        • Electrical Insulation Tape
        • Self Amalgamating Tape
        • Construction Tape
        • Double Sided Tape
        • Duct Tape
        • Warning Tape
        • Adhesives & Glue
        • Silicone & Foam
        • Paint & Zinc Spray
        • Corrosion Inhibitors
        • Fire Seal
        • Pens, Pencils & Markers
        • Crayons
        • Compliance Certificates
        • Appliance Test Log Books
        • Emergency Testing Log Books
        • Batteries
        • Vacuum Accessories
    • Safety & PPE
      • Head Protection
        • Hard Hats
        • Branded Hard Hats
        • Hard Hat Accessories
        • Visors & Visor Holders
      • Eye & Face Protection
        • Safety Glasses & Goggles
        • Faceshields & Welding Visors
        • Visor Replacements & Accessories
        • Cleaning Accessories
      • Hearing Protection
        • Earmuffs
        • Earplugs
        • Earmuffs Hygiene Kits
      • Hand Protection
        • Gloves
        • Glove Clips
      • Respiratory Protection
        • Disposable Respirators
        • Respiratory Masks
        • Air Purifying Respirator Filters
        • SCBA Self Contained Breathing Apparatus
        • Complete SCBA Kits
        • SCBA Facemasks
        • Cylinders & Valves
        • Emergency Escape Apparatus
        • PASS Personal Alert Safety Systems
        • Respiratory Accessories
      • Fall Protection
        • Body Harnesses
        • Self Retracting Lanyards
        • Shock Absorbing Lanyards
        • Pole Straps
        • Anchorages
        • Hooks & Karabiners
        • Confined Space Entry Kits
        • Fall Protection Kits
        • Miners Belts and Harnesses
        • Fall Protection Accessories
      • Footwear & Clothing
        • Footwear
        • Footwear Accessories
        • Safety Vests
        • Tradezone Merchandise
      • Fire Protection
        • Fire Extinguishers
        • Fire Blankets & Pillows
      • First Aid
      • Gas Detection
        • Gas Detectors
        • Gas Detection Kits
        • Automated Calibration Stations
        • Calibration Gas Cylinders
        • Calibration Accessories
        • Sample & Pump Probes
        • Gas Detectors Accessories
      • Site Safety
        • Bollards
        • Barrier Mesh
        • Star Pickets & Accessories
        • Asbestos Bags
        • Lockouts
        • Voltage Safety Equipment
        • Test Tags
        • Warning Tags
        • Safety Tools
      • Training
    • Brands
    • Blog
  • TRADE SUPPORT
    ACCESS TRADE PRICING
Trade Discount 20%

MCCB 140G G FRAME 50kA 3P 125A Fixed Thermal Magnetic 3-Pole Design High Interrupting Capacity by Allen-Bradley

BRAND: Allen-Bradley
SKU: 140GG3C3D12
$735.70 List price: $916.80
+ −
30 Days Return Electricians Unlock Trade Access
MCCB 140G G FRAME 50kA 3P 125A Fixed Thermal Magnetic Circuit Breaker offers reliable overload and short circuit protection with its robust 3-pole design. Ideal for industrial and commercial applications, this circuit breaker ensures electrical safety and compliance with AS/NZS 3000 standards, making it perfect for power distribution and motor protection.

Alternatively Known As: Molded Case Circuit Breaker, MCCB 140G, Thermal Magnetic Circuit Breaker, 3P MCCB 125A

Technical Specifications
  • Type: Fixed Thermal Magnetic
  • Poles: 3
  • Rated Current: 125A
  • Interrupting Capacity: 50kA
  • Frame Size: G
  • Standards Compliance: Meets relevant electrical safety standards
  • Dimensions (H x L x W): 120mm x 80mm x 90mm
  • Weight: 3.5 kg
Key Features
  • Fixed thermal magnetic trip unit for reliable overload and short circuit protection
  • 3-pole design suitable for three-phase electrical systems
  • High interrupting capacity of 50kA at rated voltage
  • Rated current of 125A for medium power applications
  • Robust G frame construction for durability and long service life
Professional Installation Requirements
  • Installation must be performed by a licensed electrician to ensure compliance with electrical safety standards and proper operation.
Applications
  • Industrial electrical panels
  • Commercial power distribution
  • Motor protection and control
  • Electrical safety and overload protection
Standards & Compliance
  • AS/NZS 3000 – Wiring Rules (Electrical Installation)
Environmental Benefits
  • Enhances electrical safety reducing risk of fire and equipment damage
  • Supports energy efficiency by preventing electrical faults and downtime
Warranty Information

1 year warranty covering manufacturing defects and workmanship.

Available Now

The Allen-Bradley MCCB 140G G FRAME 50kA 3P 125A Fixed Thermal Magnetic Circuit Breaker is available for immediate purchase, ideal for industrial and commercial electrical protection applications.

Related Products