Skip to content

Your cart is empty

Continue shopping

Have an account?

Log in to check out faster.

Your cart

Loading...

Order special instructions

Subtotal

£0.00 GBP

Taxes and shipping calculated at checkout
View Cart

🚚 Free UK Delivery On Orders Over £75

Call : 0161 223 8318

mail : info@ssmelectric.co.uk

Trade Prices | Fast UK Dispatch | 30 Day Returns

Menu
  • Lighting
    • Indoor Light Fittings
      • Ceiling Lights
      • Ceiling Spot Lights
      • Spotlights & Downlights
      • LED Strip Lights
      • Bathroom Lighting
      • LED Cabinet Lighting and Accessories
      • Desk & Table Lamps
      • Shades / Pendants
    • Outdoor Lighting
      • Floodlights
      • Wall Lights
      • Lanterns
      • Decking Light
      • Spike Lights
      • Bricklights
    • Commercial Lighting
      • Flood Light
      • LED Print Panel
      • LED Panel Light
      • Work Light
      • LED High Bays
      • LED Battens & Tube Lights
      • Commercial Downlights and Decorative Lights
      • LED Bulkheads
      • Emergency Lighting
    • LED Bulbs & Lamps
      • LED GU10 & MR16 Lamps
      • LED GLS & Dimmable Lamps
      • LED Candle & Golfs Lamp
      • LED Reflector Lamps
      • Halogens & Pygmy's
      • G4 & G9
      • Smart LED Lamps
  • Electrical Supplies
    • Brands
      • Live
      • Excel
    • Domestic Consumer Units
      • Consumer Units
      • RCBOs
      • MCBs
      • AFDDs
      • Surge Protection Devices
      • Main Switch & RCDs
      • Blanks and Accessories
    • Commercial Consumer Units
      • Three Phase Distribution Boards
      • RCBOs
      • MCBs
      • AFDDs
      • Surge Protection Devices
      • RCDs
      • Main Switches, Blanks and Accessories
    • Miscellaneous
      • Enclosures
      • Switch and Isolators
      • EV Consumer Units
      • Electrical Meters
      • Rotary Isolators
      • Contactors
      • IP Rated Consumer Units
    • Accessories
      • White Switches and Sockets
      • Decorative Switches and Sockets
      • Knockout Boxes and Pattresses
      • Weatherproof
      • Metal Clad
      • Installation Accessories
      • Ceiling Accessories
      • Sensor
  • Heating and Ventilation
    • Extractor Fans and Accessories
      • Wall and Ceiling Fans
      • Window Fans
      • Inline, Mixed Flow and Centrifugal Fans
      • Ducting, Grilles and Accessories
    • Heating
      • Electrics Panel Heaters
      • Infrared Radiant Heater
      • Water Heaters
      • Fan and Convector Heaters
      • Down Flow Heaters and Air Curtains
    • Bathroom
      • Electric Towel Radiator
      • Hand Dryers
    • Cooling
      • Cooling Fan
  • Fire & Security
    • Commercial & Industrial Fire Alarm Systems
      • Smoke, Heat Detectors and Bases
      • Call Points
      • Fire Alarm Panels
      • Sounders
    • Domestic Fire Alarms and Accessories
      • Smoke Detectors
      • Heat Detectors
      • Carbon Monoxide Detectors
    • CCTV
      • Hikvision CCTV
      • HiLook CCTV
      • CCTV Kits
      • IP CCTV
      • Video Doorbell Categories
      • CCTV Accessories
  • Blog
SSM ELECTRIC
  • Lighting
    • Indoor Light Fittings
      • Ceiling Lights
      • Ceiling Spot Lights
      • Spotlights & Downlights
      • LED Strip Lights
      • Bathroom Lighting
      • LED Cabinet Lighting and Accessories
      • Desk & Table Lamps
      • Shades / Pendants
    • Outdoor Lighting
      • Floodlights
      • Wall Lights
      • Lanterns
      • Decking Light
      • Spike Lights
      • Bricklights
    • Commercial Lighting
      • Flood Light
      • LED Print Panel
      • LED Panel Light
      • Work Light
      • LED High Bays
      • LED Battens & Tube Lights
      • Commercial Downlights and Decorative Lights
      • LED Bulkheads
      • Emergency Lighting
    • LED Bulbs & Lamps
      • LED GU10 & MR16 Lamps
      • LED GLS & Dimmable Lamps
      • LED Candle & Golfs Lamp
      • LED Reflector Lamps
      • Halogens & Pygmy's
      • G4 & G9
      • Smart LED Lamps
  • Electrical Supplies
    • Brands
      • Live
      • Excel
    • Domestic Consumer Units
      • Consumer Units
      • RCBOs
      • MCBs
      • AFDDs
      • Surge Protection Devices
      • Main Switch & RCDs
      • Blanks and Accessories
    • Commercial Consumer Units
      • Three Phase Distribution Boards
      • RCBOs
      • MCBs
      • AFDDs
      • Surge Protection Devices
      • RCDs
      • Main Switches, Blanks and Accessories
    • Miscellaneous
      • Enclosures
      • Switch and Isolators
      • EV Consumer Units
      • Electrical Meters
      • Rotary Isolators
      • Contactors
      • IP Rated Consumer Units
    • Accessories
      • White Switches and Sockets
      • Decorative Switches and Sockets
      • Knockout Boxes and Pattresses
      • Weatherproof
      • Metal Clad
      • Installation Accessories
      • Ceiling Accessories
      • Sensor
  • Heating and Ventilation
    • Extractor Fans and Accessories
      • Wall and Ceiling Fans
      • Window Fans
      • Inline, Mixed Flow and Centrifugal Fans
      • Ducting, Grilles and Accessories
    • Heating
      • Electrics Panel Heaters
      • Infrared Radiant Heater
      • Water Heaters
      • Fan and Convector Heaters
      • Down Flow Heaters and Air Curtains
    • Bathroom
      • Electric Towel Radiator
      • Hand Dryers
    • Cooling
      • Cooling Fan
  • Fire & Security
    • Commercial & Industrial Fire Alarm Systems
      • Smoke, Heat Detectors and Bases
      • Call Points
      • Fire Alarm Panels
      • Sounders
    • Domestic Fire Alarms and Accessories
      • Smoke Detectors
      • Heat Detectors
      • Carbon Monoxide Detectors
    • CCTV
      • Hikvision CCTV
      • HiLook CCTV
      • CCTV Kits
      • IP CCTV
      • Video Doorbell Categories
      • CCTV Accessories
  • Blog
More
  • Log in
  • Register
My Cart
00 items

Search: 362 results found for "2 phase circuit breaker"

Home

Search results

  • Live CB363B Triple Pole MCB 10kA B Curve 63A | 3P Circuit Breaker

    Live CB363B Triple Pole MCB 10kA B Curve 63A | 3P Circuit Breaker

    Live CB363B Triple Pole MCB 10kA B Curve 63A | 3P Circuit Breaker

    The Live CB363B Triple Pole MCB is the highest-capacity miniature circuit breaker in the CB series, designed to provide reliable protection for maximum-power three-phase electrical circuits with resistive loads. Rated at 63 Amps with a B-curve tripping characteristic, this 3-pole breaker represents the maximum current rating available, safeguarding all three phases (L1,...
    Regular price £8.83
    Regular price Sale price £8.83
    Unit price /  per 
  • Live CA416C 4 Pole MCB 6kA C Curve 16A | 4P Circuit Breaker

    Live CA416C 4 Pole MCB 6kA C Curve 16A | 4P Circuit Breaker

    Live CA416C 4 Pole MCB 6kA C Curve 16A | 4P Circuit Breaker

    The Live CA416C 4 Pole MCB is a versatile industrial-grade miniature circuit breaker engineered to provide comprehensive protection for three-phase systems requiring simultaneous neutral conductor switching in applications with moderate inductive loads. Rated at 16 Amps with a C-curve tripping characteristic, this 4-pole breaker safeguards all three phases and the neutral conductor...
    Regular price £5.87
    Regular price Sale price £5.87
    Unit price /  per 
  • Live CB332D Triple Pole MCB 10kA D Curve 32A | 3P Circuit Breaker

    Live CB332D Triple Pole MCB 10kA D Curve 32A | 3P Circuit Breaker

    Live CB332D Triple Pole MCB 10kA D Curve 32A | 3P Circuit Breaker

    The Live CB332D Triple Pole MCB is a specialized high-performance industrial-grade miniature circuit breaker engineered to provide reliable protection for three-phase electrical circuits with extremely high inrush currents at higher power levels. Rated at 32 Amps with a D-curve tripping characteristic, this 3-pole breaker safeguards all three phases (L1, L2, L3) on...
    Regular price £8.14
    Regular price Sale price £8.14
    Unit price /  per 
  • Live CB350D Triple Pole MCB 10kA D Curve 50A | 3P Circuit Breaker

    Live CB350D Triple Pole MCB 10kA D Curve 50A | 3P Circuit Breaker

    Live CB350D Triple Pole MCB 10kA D Curve 50A | 3P Circuit Breaker

    The Live CB350D Triple Pole MCB is a specialized high-performance industrial-grade miniature circuit breaker engineered to provide reliable protection for three-phase electrical circuits with extremely high inrush currents at very high power levels. Rated at 50 Amps with a D-curve tripping characteristic, this 3-pole breaker safeguards all three phases (L1, L2, L3)...
    Regular price £8.83
    Regular price Sale price £8.83
    Unit price /  per 
  • Live CA450C 4 Pole MCB 6kA C Curve 50A | 4P Circuit Breaker

    Live CA450C 4 Pole MCB 6kA C Curve 50A | 4P Circuit Breaker

    Live CA450C 4 Pole MCB 6kA C Curve 50A | 4P Circuit Breaker

    The Live CA450C 4 Pole MCB is a heavy-duty industrial-grade miniature circuit breaker engineered to provide comprehensive protection for three-phase systems requiring simultaneous neutral conductor switching in demanding applications with large inductive loads. Rated at 50 Amps with a C-curve tripping characteristic, this 4-pole breaker safeguards all three phases and the neutral...
    Regular price £6.52
    Regular price Sale price £6.52
    Unit price /  per 
  • Live CZ4125C 4 Pole MCB 10kA C Curve 125A | 4P Circuit Breaker

    Live CZ4125C 4 Pole MCB 10kA C Curve 125A | 4P Circuit Breaker

    Live CZ4125C 4 Pole MCB 10kA C Curve 125A | 4P Circuit Breaker

    The Live CZ4125C 4 Pole MCB is an ultra-high-capacity industrial-grade miniature circuit breaker designed to provide reliable protection for maximum-power three-phase electrical circuits requiring simultaneous switching of all three phases and neutral conductor with significant inductive loads. Rated at 125 Amps with a C-curve tripping characteristic, this 4-pole breaker safeguards all three...
    Regular price £27.06
    Regular price Sale price £27.06
    Unit price /  per 
  • Live CB332C Triple Pole MCB 10kA C Curve 32A | 3P Circuit Breaker

    Live CB332C Triple Pole MCB 10kA C Curve 32A | 3P Circuit Breaker

    Live CB332C Triple Pole MCB 10kA C Curve 32A | 3P Circuit Breaker

    The Live CB332C Triple Pole MCB is a heavy-duty industrial-grade miniature circuit breaker designed to provide reliable protection for three-phase electrical circuits with substantial inductive loads. Rated at 32 Amps with a C-curve tripping characteristic, this 3-pole breaker safeguards all three phases (L1, L2, L3) on AC systems up to 400V at...
    Regular price £8.14
    Regular price Sale price £8.14
    Unit price /  per 
  • Live CB363C Triple Pole MCB 10kA C Curve 63A | 3P Circuit Breaker

    Live CB363C Triple Pole MCB 10kA C Curve 63A | 3P Circuit Breaker

    Live CB363C Triple Pole MCB 10kA C Curve 63A | 3P Circuit Breaker

    The Live CB363C Triple Pole MCB is the highest-capacity industrial-grade miniature circuit breaker in the CB series, designed to provide reliable protection for maximum-power three-phase electrical circuits with the largest inductive loads. Rated at 63 Amps with a C-curve tripping characteristic, this 3-pole breaker represents the maximum current rating available, safeguarding all...
    Regular price £8.83
    Regular price Sale price £8.83
    Unit price /  per 
  • Live CA406C 4 Pole MCB 6kA C Curve 6A | 4P Circuit Breaker

    Live CA406C 4 Pole MCB 6kA C Curve 6A | 4P Circuit Breaker

    Live CA406C 4 Pole MCB 6kA C Curve 6A | 4P Circuit Breaker

    The Live CA406C 4 Pole MCB is a precision-engineered industrial-grade miniature circuit breaker designed to provide comprehensive protection for three-phase control systems requiring simultaneous neutral conductor switching. Rated at 6 Amps with a C-curve tripping characteristic, this 4-pole breaker safeguards all three phases and the neutral conductor on AC systems up to...
    Regular price £5.87
    Regular price Sale price £5.87
    Unit price /  per 
  • Live CB110C Single Pole MCB 10kA C Curve 10A | 1P Circuit Breaker

    Live CB110C Single Pole MCB 10kA C Curve 10A | 1P Circuit Breaker

    Live CB110C Single Pole MCB 10kA C Curve 10A | 1P Circuit Breaker

    The Live CB110C Single Pole MCB is a versatile high-performance miniature circuit breaker engineered to provide reliable protection for single-phase electrical circuits in residential, commercial, and light industrial applications. Rated at 10 Amps with a C-curve tripping characteristic, this 1-pole breaker safeguards the phase conductor on AC systems up to 230V at...
    Regular price £2.45
    Regular price Sale price £2.45
    Unit price /  per 
  • Live CZ3100C Triple Pole MCB 10kA C Curve 100A | 3P Circuit Breaker

    Live CZ3100C Triple Pole MCB 10kA C Curve 100A | 3P Circuit Breaker

    Live CZ3100C Triple Pole MCB 10kA C Curve 100A | 3P Circuit Breaker

    The Live CZ3100C Triple Pole MCB is a high-capacity industrial-grade miniature circuit breaker designed to provide reliable protection for very high-power three-phase electrical circuits with significant inductive loads. Rated at 100 Amps with a C-curve tripping characteristic, this 3-pole breaker safeguards all three phases (L1, L2, L3) on AC systems up to...
    Regular price £18.87
    Regular price Sale price £18.87
    Unit price /  per 
  • Live CB106C Single Pole MCB 10kA C Curve 6A | 1P Circuit Breaker

    Live CB106C Single Pole MCB 10kA C Curve 6A | 1P Circuit Breaker

    Live CB106C Single Pole MCB 10kA C Curve 6A | 1P Circuit Breaker

    The Live CB106C Single Pole MCB is a high-performance miniature circuit breaker engineered to provide reliable protection for single-phase electrical circuits in residential, commercial, and light industrial applications. Rated at 6 Amps with a C-curve tripping characteristic, this 1-pole breaker safeguards the phase conductor on AC systems up to 230V at 50/60Hz...
    Regular price £2.45
    Regular price Sale price £2.45
    Unit price /  per 
  • Live CB332B Triple Pole MCB 10kA B Curve 32A | 3P Circuit Breaker

    Live CB332B Triple Pole MCB 10kA B Curve 32A | 3P Circuit Breaker

    Live CB332B Triple Pole MCB 10kA B Curve 32A | 3P Circuit Breaker

    The Live CB332B Triple Pole MCB is a high-capacity miniature circuit breaker designed to provide reliable protection for high-power three-phase electrical circuits with resistive loads. Rated at 32 Amps with a B-curve tripping characteristic, this 3-pole breaker safeguards all three phases (L1, L2, L3) on AC systems up to 400V at 50/60Hz...
    Regular price £8.14
    Regular price Sale price £8.14
    Unit price /  per 
  • Live CB150D Single Pole MCB 10kA D Curve 50A | 1P Circuit Breaker

    Live CB150D Single Pole MCB 10kA D Curve 50A | 1P Circuit Breaker

    Live CB150D Single Pole MCB 10kA D Curve 50A | 1P Circuit Breaker

    The Live CB150D Single Pole MCB is a premium heavy-duty industrial miniature circuit breaker engineered to provide robust protection for the most demanding high-power single-phase electrical circuits with extreme inrush currents. Rated at 50 Amps with a D-curve tripping characteristic, this 1-pole breaker safeguards the phase conductor on AC systems up to...
    Regular price £2.87
    Regular price Sale price £2.87
    Unit price /  per 
  • Live CH180C Single Pole MCB 6kA C Curve 80A | 1P Circuit Breaker

    Live CH180C Single Pole MCB 6kA C Curve 80A | 1P Circuit Breaker

    Live CH180C Single Pole MCB 6kA C Curve 80A | 1P Circuit Breaker

    The Live CH180C Single Pole MCB is a high-capacity miniature circuit breaker designed to provide reliable protection for high-power single-phase electrical circuits in industrial and commercial applications. Rated at 80 Amps with a C-curve tripping characteristic, this 1-pole breaker safeguards the phase conductor on AC systems up to 230V at 50/60Hz frequency....
    Regular price £2.70
    Regular price Sale price £2.70
    Unit price /  per 
  • Live CZ3125C Triple Pole MCB 10kA C Curve 125A | 3P Circuit Breaker

    Live CZ3125C Triple Pole MCB 10kA C Curve 125A | 3P Circuit Breaker

    Live CZ3125C Triple Pole MCB 10kA C Curve 125A | 3P Circuit Breaker

    The Live CZ3125C Triple Pole MCB is an ultra-high-capacity industrial-grade miniature circuit breaker designed to provide reliable protection for maximum-power three-phase electrical circuits with significant inductive loads. Rated at 125 Amps with a C-curve tripping characteristic, this 3-pole breaker safeguards all three phases (L1, L2, L3) on AC systems up to 400V...
    Regular price £18.87
    Regular price Sale price £18.87
    Unit price /  per 
  • Live CZ3125C Triple Pole MCB 10kA C Curve 125A | 3P Circuit Breaker

    Live CZ3125C Triple Pole MCB 10kA C Curve 125A | 3P Circuit Breaker

    Live CZ3125C Triple Pole MCB 10kA C Curve 125A | 3P Circuit Breaker

    The Live CZ3125C Triple Pole MCB is an ultra-high-capacity industrial-grade miniature circuit breaker designed to provide reliable protection for maximum-power three-phase electrical circuits with significant inductive loads. Rated at 125 Amps with a C-curve tripping characteristic, this 3-pole breaker safeguards all three phases (L1, L2, L3) on AC systems up to 400V...
    Regular price £18.87
    Regular price Sale price £18.87
    Unit price /  per 
  • Live CA463C 4 Pole MCB 6kA C Curve 63A | 4P Circuit Breaker

    Live CA463C 4 Pole MCB 6kA C Curve 63A | 4P Circuit Breaker

    Live CA463C 4 Pole MCB 6kA C Curve 63A | 4P Circuit Breaker

    The Live CA463C 4 Pole MCB is the highest-capacity industrial-grade miniature circuit breaker in the CA series, engineered to provide comprehensive protection for three-phase systems requiring simultaneous neutral conductor switching in the most demanding applications with heavy inductive loads. Rated at 63 Amps with a C-curve tripping characteristic, this 4-pole breaker represents...
    Regular price £6.52
    Regular price Sale price £6.52
    Unit price /  per 
  • Live CB116D Single Pole MCB 10kA D Curve 16A | 1P Circuit Breaker

    Live CB116D Single Pole MCB 10kA D Curve 16A | 1P Circuit Breaker

    Live CB116D Single Pole MCB 10kA D Curve 16A | 1P Circuit Breaker

    The Live CB116D Single Pole MCB is a specialized high-performance miniature circuit breaker engineered to provide reliable protection for demanding single-phase circuits with extremely high inrush currents. Rated at 16 Amps with a D-curve tripping characteristic, this 1-pole breaker safeguards the phase conductor on AC systems up to 230V at 50/60Hz frequency....
    Regular price £2.45
    Regular price Sale price £2.45
    Unit price /  per 
  • Live CA320B Triple Pole MCB 6kA B Curve 20A | 3P Circuit Breaker

    Live CA320B Triple Pole MCB 6kA B Curve 20A | 3P Circuit Breaker

    Live CA320B Triple Pole MCB 6kA B Curve 20A | 3P Circuit Breaker

    The Live CA320B Triple Pole MCB is a premium-grade miniature circuit breaker designed to provide reliable protection for high-capacity electrical distribution systems. Rated at 20 Amps with a B-curve tripping characteristic, this 3-pole breaker is engineered for AC networks operating at 50/60Hz with voltages up to 400V. It offers comprehensive protection against...
    Regular price £4.29
    Regular price Sale price £4.29
    Unit price /  per 
  • Live CB150B Single Pole MCB 10kA B Curve 50A | 1P Circuit Breaker

    Live CB150B Single Pole MCB 10kA B Curve 50A | 1P Circuit Breaker

    Live CB150B Single Pole MCB 10kA B Curve 50A | 1P Circuit Breaker

    The Live CB150B Single Pole MCB is a high-capacity miniature circuit breaker engineered to provide reliable protection for very high-power single-phase electrical circuits with predominantly resistive loads. Rated at 50 Amps with a B-curve tripping characteristic, this 1-pole breaker safeguards the phase conductor on AC systems up to 230V at 50/60Hz frequency....
    Regular price £2.87
    Regular price Sale price £2.87
    Unit price /  per 
  • Live CB350B Triple Pole MCB 10kA B Curve 50A | 3P Circuit Breaker

    Live CB350B Triple Pole MCB 10kA B Curve 50A | 3P Circuit Breaker

    Live CB350B Triple Pole MCB 10kA B Curve 50A | 3P Circuit Breaker

    The Live CB350B Triple Pole MCB is a high-capacity industrial-grade miniature circuit breaker designed to provide reliable protection for very high-power three-phase electrical circuits with resistive loads. Rated at 50 Amps with a B-curve tripping characteristic, this 3-pole breaker safeguards all three phases (L1, L2, L3) on AC systems up to 400V...
    Regular price £8.14
    Regular price Sale price £8.14
    Unit price /  per 
  • Live CA320C Triple Pole MCB 6kA C Curve 20A | 3P Circuit Breaker

    Live CA320C Triple Pole MCB 6kA C Curve 20A | 3P Circuit Breaker

    Live CA320C Triple Pole MCB 6kA C Curve 20A | 3P Circuit Breaker

    The Live CA320C Triple Pole MCB is a robust and reliable miniature circuit breaker engineered to protect medium-capacity industrial and commercial electrical systems. Rated at 20 Amps with a C-Curve tripping characteristic, this 3-pole breaker is designed for AC networks operating at 50/60Hz with voltages up to 400V. It delivers exceptional protection...
    Regular price £4.29
    Regular price Sale price £4.29
    Unit price /  per 
  • Live CB110D Single Pole MCB 10kA D Curve 10A | 1P Circuit Breaker

    Live CB110D Single Pole MCB 10kA D Curve 10A | 1P Circuit Breaker

    Live CB110D Single Pole MCB 10kA D Curve 10A | 1P Circuit Breaker

    The Live CB110D Single Pole MCB is a specialized high-performance miniature circuit breaker engineered to provide reliable protection for single-phase circuits with extremely high inrush currents. Rated at 10 Amps with a D-curve tripping characteristic, this 1-pole breaker safeguards the phase conductor on AC systems up to 230V at 50/60Hz frequency. It...
    Regular price £2.45
    Regular price Sale price £2.45
    Unit price /  per 
  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • …
  • 16

Get Your Latest Update !

Subscribe to our latest newsletter to get news about special discounts.

SSM ELECTRIC

SSM Electric is your trusted UK destination for premium LED lighting and electrical supplies.

Quick links

  • Privacy Policy
  • Refund Policy
  • Shipping Policy
  • Terms of Service
  • Contact Us

Quick links

  • Privacy Policy
  • Refund Policy
  • Shipping Policy
  • Terms of Service
  • Contact Us

Our Products

  • Lighting
  • Electrical Supplies
  • Heating and Ventilation
  • Fire & Security
  • Blog

Our Products

  • Lighting
  • Electrical Supplies
  • Heating and Ventilation
  • Fire & Security
  • Blog

Our Information

851A Ashton Old Rd, Openshaw, Manchester M11 2NL

info@ssmelectric.co.uk
  • 0161 223 8318
    • Facebook
    • Instagram
    • YouTube
    • TikTok
    • Twitter
    • Pinterest

    Our Information

    851A Ashton Old Rd, Openshaw, Manchester M11 2NL

    info@ssmelectric.co.uk 0161 223 8318
    • Facebook
    • Instagram
    • YouTube
    • TikTok
    • Twitter
    • Pinterest

    © 2026, SSM ELECTRIC Powered by Shopify
    Home
    Account Log in
    Collection
    Search

    What are you looking for?

    My cart My Cart
    • Choosing a selection results in a full page refresh.
    • Opens in a new window.