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Adhesives & Sealants
- Process Chemicals & Adhesives
Batteries
- Non-Rechargeable
  - AA Batteries, Non-rechargeable
- Rechargeable Batteries
  - Rechargeable Lead Acid Batteries
  - Rechargeable Lithium Batteries
Electrical Cables & Wires
- Electrical Power, Signal and Sensor Cables
Circuit Protection
- Circuit Protection
- Consumer Units & Accessories
  - Consumer Unit Accessories
  - Consumer Units
- Fuses & Fuse Accessories
- Electrical Installation Parts and Accessories
- Electrical Power and Line Protection
- Racks, Cabinets & Enclosures
- Electrical Transformers
Clean Room
- Clean Room
  - Power Outlet Strips
Computing & Peripherals
- Barcode Readers & Accessories
  - Barcode Readers and Accessories
- KVM, Splitters & Extenders
  - KVM Switches
- Networking & Connectivity
- Printers & Printing Supplies
  - Label Printers, Tapes & Labels, Plotter Pens
Network, Power & Signal Connectors
- Network & Telecom Connectors
- Electrical Power Connectors
- USB, D-sub & Computing Connectors
Electrical Connectors & Cables
- Cable, Wire & Cable Assemblies
- Connector Accessories
- Electrical and Electronics Connectors
Automation & Control Components
- Automation Control
- Counters & Timers
- Panel Meters & Accessories
- PLCs and Accessories
- Pushbuttons, Switches and Accessories
- Electronic and Electrical Relays
- Electrical Solenoids and Accessories
- Industrial Automation and Control Switches
- Thermal Management
- Valves, Taps & Fluid Control
Displays, Lighting & Optoelectronics
- LED Lighting and Lamps
  - LED's, Lighting & Components
- Lighting Indicators and Accessories
  - Lighting indicator Parts & Accessories
  - Lighting indicators
- General Lighting and Illumination
- Optoelectronics & Visual Displays
- Process Alarms & Label Identification
Enclosures, Storage & Material Handling
- Structural Systems & Handrails
  - Connecting Components
  - Flanges, Feet & Castors
HVAC, Fans & Thermal Management
- Air Filters & Accessories
  - Fan Filters
- Air Management Accessories
  - Damper Actuators
  - Grilles & Louvres
- Heating & Cooling - Electrial & Electronics
- Electronic Humidity & Pressure Control Devices
  - Hygrostats Enclosure
- HVAC Sensors & Controllers
  - Temperature Sensors
- Heating and Conditioning
Panel Meters & Accessories
- Analogue Meters
  - Analogue Meters
  - Analogue Meter Accessories
- Digital Meters
  - Digital Meters
- Energy Meters
  - Energy Meter
  - Energy Meter Accessories
- Other Panel Meters
  - Other Panel Meters
- Shunts
  - Shunts
Passive Components, Crystals & Oscillators
- Passive Components
Pneumatics, Hydraulics & Power Transmission
- Electrical Actuators and Accessories
- Hydraulic Valves & Manifolds
  - Replacement Solenoid Coils
  - Hydraulic Valves
- Pneumatic Adaptors, Fittings & Couplings
- Pneumatic Air Preparation
- Pneumatic Counters, Logic Controllers & Timers
  - Pneumatic Logic Controllers
  - Pneumatic Timers
- Pneumatic Cylinders & Actuators
- Pneumatic Instrumentation & Switches
- Pneumatic Tubing & Air Hose
  - Coil Tubing Without Connectors
- Pneumatic Valves & Manifolds
- Power Transmission - Couplings
  - Flexible Beam Couplings
Power Supplies
- DC-DC Converters
- PSUs
Fire Alarms, Safety Control & Security
- Fire Alarms, Beacons and Sounders
- Lightning Protection
  - Lightning Earth Cable Clips & Clamps
  - Lightning Earth Rods
- Process and Automation Safety Control
- Safety Switches & Sensors
- Industrial Safety
  - Safety Foot Switches
  - Safety Lighting
- Security
  - Padlocks & Accessories
  - Security Locks, Keys & Accessories
- Industrial Beacons
Semiconductor Devices
- Discrete Semiconductors
- Semiconductors - Discretes
- Semiconductors - ICs
- Pressure, Hall Effect & Absolute Pressure IC Sensors
- Standard Logic
  - Standard Logic Gates
- Wireless Modules & Adapters
Sensors, Encoders & Transducers
- Process Control Encoders
- Process Automation
- Process Control Sensors
- Process Control Transducers
Electrical Test & Measurement Equipment
- Data Acquisition & Logging
- Environmental Monitoring and Measurement
  - Thermohygrometers
- Liquid Analysis
  - pH & Water Analysis Electrodes
- Multimeters & Accessories
  - Multimeters & Clamp Meters
- Pressure Measurement
  - Analogue Positive Pressure Gauges
- Temperature Measurement
  - Temperature Probes
- Test Connectors
- Test and Measurement Kits and Accessories
  - Test Equipment Kits & Components
  - Test Equipment Accessories
- Meters, Voltage Testers and Accessories
Hand Tools & Supplies
- Power Tool Batteries, Battery Modules & Accessories
  - Power Tool Batteries
- Screwdrivers & Screw Extractors
  - Screwdrivers
- Hand Tools and Production Supplies
Computer Engineering Software & Licences
- Software
  - Software
Power Quality & Control
- Power Factor Correction
PPE - Personal Protective Equipment
- Workwear
- Cleaning Essentials
  - Hand Sanitiser
  - Cleaning Wipes
- Testing & Measurement
  - Medical Thermometers
ATEX
- ATEX Junction Boxes & Electrical Enclosures
  - ATEX Enclosures
  - ATEX Junction Boxes
- ATEX Control Sensors
  - ATEX Inductive Sensors
- ATEX Intrinsically Safe Isolation Barriers
  - ATEX Galvanic Isolation Barriers
- ATEX Switches, Pushbuttons & Control Stations
- ATEX Mobile Devices & Communication
  - ATEX Phones
- ATEX Lighting & Flashlights
  - ATEX Flashlights
- ATEX Sounders and Beacons
- ATEX Accessories & Fittings
  - ATEX Rated Cable Glands
  - ATEX Rated Adaptors

Free Delivery Over £20Exc Vat, One per day

Found it Cheaper?We Price Match, T&Cs Apply

We're pleased to announce the acquisition of Eaton Electric’s Holyhead facility. The plant manufacturers Eaton’s MEMSHIELD 2 range of MCB’s and accessories plus their Cutler Hammer Cranes products. For all enquiries related to these products, please contact us.

View MEM Ranges | View Cutler-Hammer Cranes Ranges

Electrical Circuit Diodes

Kempston Controls supply a whole range of Diodes with fast delivery and expert technical help. A diode is a semiconductor device which has two terminals and is typically utilised to allow the flow of electricity or current in one direction only (forward direction.) It will also block the flow of current in the opposite direction, known as the reverse direction. We supply diodes from all of the leading manufacturers including Siemens, Honeywell, Fuji, Murr and much more.

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