Withdrawable and fixed ACBs for main incomers and large sub-mains, with electronic trip units offering full LSIG protection. Selected on frame current, Icu/Ics at 415 V…

Manual and motorised source-transfer switches for moving a load between mains and generator. Three- and four-pole versions with a defined off position; automatic units pair with…

Isolating control transformers that derive a low control voltage from the incoming supply, and safety isolating types built to reinforced insulation requirements. Rated in VA against…

Residual current devices and RCBOs that trip on earth fault current the overcurrent protection cannot see. 30 mA for personnel protection, 100 mA and 300 mA…

gG, aM and aR fuse links in NH, cylindrical and DIN sizes, with matching bases and holders. The class code determines behaviour: gG for general line…

Combined isolator and fuse carriers taking NH or cylindrical links, giving both isolation and short-circuit protection in one footprint. Sized by NH fuse size (000 through…

On-load isolators that make and break under load without arcing damage, used as board main switches and equipment isolators. Rated by AC-23A current at 415 V,…

Single- through four-pole MCBs in B, C and D curves for final circuit protection. The two numbers that matter are rated current and breaking capacity in…

MCCBs for sub-main and motor feeder protection, with fixed or adjustable thermal-magnetic and electronic trip units. Frame size sets the current band; breaking capacity at 415…

DC-rated isolators for solar arrays, where the absence of a natural current zero makes AC switchgear unsafe. Voltage rating up to 1000/1500 V DC, string current…

DIN-rail switch-mode supplies converting mains to regulated 12, 24 or 48 V DC for control circuits. Output current, single- or three-phase input, and peak-power headroom for…

Type 1, 2 and 3 surge arresters that clamp transient overvoltage from lightning and switching before it reaches sensitive equipment. Specified by maximum continuous voltage Uc,…

Line and load reactors that reduce harmonic distortion and dv/dt stress around variable frequency drives, and sinewave filters that restore a near-sinusoidal output for long motor…

Braking choppers and resistors that dissipate regenerative energy from a decelerating load so the drive's DC bus does not over-volt. Matched to the drive by ohm…

Three- and four-pole contactors for switching motors and resistive loads, plus the auxiliary contact blocks, coil suppressors, mechanical interlocks and paralleling links that go with them.…

Ready-built DOL and star-delta starters, plus electronic soft starters that ramp voltage to limit inrush and mechanical shock on pumps, fans and conveyors. Rated by motor…

Three-phase cast-iron frame induction motors to IE3 efficiency, in the standard 2-, 4- and 6-pole speeds. Cast iron suits wet, dusty and high-vibration duty; each listing…

On-load isolators and manual changeover switches used to isolate a motor circuit safely or transfer it between two supplies. Specified by AC-23 current at 415 V,…

Adjustable-trip MPCBs combining short-circuit, overload and phase-loss protection for a motor in a single device. Chosen by the motor's full-load current band rather than a fixed…

Electronic overload and motor management relays that monitor current, phase balance, earth fault and thermistor inputs, tripping before winding damage occurs. Current ranges overlap so one…

Pre-engineered pump control panels combining starter, protection, level control and indication in one enclosure. Supplied for single and duty/standby arrangements, with motor rating, control voltage and…

AC drives for speed and torque control on three-phase motors, covering single- and three-phase input across the common kW steps. Look at overload duty, control method,…

Fieldbus and I/O extension cables, terminal modules and protocol converters for PLC and servo systems. Cable listings give length and connector type; module listings give the…

Precision planetary gearboxes that trade servo speed for torque while keeping backlash low enough for accurate positioning. Selected on ratio, rated output torque, backlash in arcminutes,…

Operator touch panels from small text displays to widescreen colour HMIs, communicating with PLCs over serial or Ethernet. Screen size and resolution, driver library, front-face IP…

Fanless panel PCs for SCADA, machine visualisation and edge computing on the plant floor. Specified by screen size, processor and memory, the IP rating on the…

Incremental and absolute rotary encoders for position and speed feedback. Resolution in pulses or bits, shaft or hollow-bore mounting, supply voltage and output type — push-pull,…

All-in-one block PLCs with a larger fixed I/O count than slim-type units, suited to packaging machines and process skids. Digital and analogue point counts, transistor or…

High-end CPUs for large I/O counts, coordinated motion and fast deterministic scan times. Redundancy support, memory size and the number of simultaneous fieldbus networks separate these…

Modular controllers with a separate CPU and expandable I/O racks for plant-level control. Scan speed, programme memory, supported instruction set and the number of expansion modules…

Compact DIN-rail PLCs for small machines and standalone control tasks, with fixed digital I/O and room for a few expansion cards. Chosen on total I/O count,…

Matched servo drive and motor sets for positioning and synchronised motion, in the common wattage steps from 100 W upwards. Encoder resolution, rated and peak torque,…

Pre-wired control stations in sealed enclosures for local start/stop, emergency stop and hand-off-auto duty out on the plant. Supplied in one- to multi-hole bodies with IP65…

22 mm pilot lights and illuminated pushbutton heads with integral LED elements in the standard lens colours. Supply voltage, lens colour, and whether the unit is…

Electronic sounders and sirens for evacuation, machine warning and plant announcements. Rated by sound pressure in dB at one metre and by tone count; combined siren-and-beacon…

Single- and multi-axis joystick switches for proportional and stepped control of cranes, gates and hydraulic gear. Number of axes, positions per axis, spring return or detent…

Pre-assembled control units supplied as a single part number with head, body and contact block already fitted. Faster to install than a built-up assembly, and useful…

Hanging pendant controls for cranes, hoists and overhead handling, with two-step buttons and integrated emergency stop. Button count, cable entry and IP rating are the deciding…

22 mm flush, extended and mushroom-head pushbuttons, key and knob selector switches, and emergency stop actuators. Heads and contact blocks are ordered separately, so a two-position…

Multi-position cam switches for changeover, ammeter and voltmeter selection, motor reversing and multi-speed control. Defined by current rating, number of poles and the switching diagram; door-mount…

Beacons, stack lights and combined sounder-beacon units for machine and plant status indication. LED, rotating, flashing and steady versions with lens colours to the usual convention;…

Rotating electrical connectors that pass power and signals to a continuously turning assembly. Current per ring, ring count, speed and the protection rating of the housing…

Panel-mount toggle and rocker switches for small control and instrument applications. Contact configuration, current rating, mounting cut-out and whether the switch is illuminated define the fit.

Solid-core and split-core CTs that step primary current down to a 5 A or 1 A secondary for meters and relays. Ratio, accuracy class, VA burden,…

Single- and three-phase kWh meters in modular DIN format for sub-metering tenants, departments and individual machines. Direct-connected up to their stated current, CT-operated above it; pulse…

Panel meters measuring voltage, current, power, power factor, frequency and energy on all three phases in one instrument. Panel cut-out size, accuracy class, communications port, and…

Moving-iron and moving-coil analogue instruments for at-a-glance indication where a digital readout is unnecessary. Scale range, CT ratio, cut-out size, and whether an overload scale marking…

Digital ammeters, voltmeters, frequency meters and process indicators for door mounting. Standard 48, 72 and 96 mm cut-outs; input type, display digits, and available relay or…

Modular measurement systems that put a compact metering module on each circuit and gather the data over a single bus. Far less panel space and wiring…

Active harmonic filters that inject a compensating current to cancel the distortion drives and other non-linear loads create. Rated in compensating amps rather than kVAr, and…

Float and boost chargers that keep engine-start and control batteries at full charge. Rated by output current and battery voltage, with temperature compensation and alarm contacts…

Controllers that monitor the mains, signal the generator to start, and drive a motorised changeover switch through the transfer sequence. Timers for start delay, transfer, return…

Genset control modules covering manual, automatic and mains-failure operation, with engine protection, instrumentation and remote communication. Selection turns on whether the set is manual start, auto…

Automatic PFC relays that measure the installation's power factor and switch capacitor steps in and out to hold the target. Step count, C/k setting, alarm outputs…

Complete free-standing PFC panels for larger installations, supplied wired and tested. Specified by total kVAr, step size, voltage, and whether the bank is detuned for a…

Rack-mounted PFC assemblies combining capacitors, switching contactors, protection and a controller in a mountable frame. Total kVAr, step arrangement, and whether detuning reactors are fitted define…

Self-healing dry-type power capacitors for building correction banks, rated in kVAr at a stated voltage. The voltage rating should sit above nominal where harmonics are present,…

Insulated busbar supports, adaptors, fuse holder carriers and terminal blocks that build a compact power distribution system on 60 mm or panel-mounted bar. Rated by bar…

Closed-loop cooling units for enclosures where filter fans cannot cope, keeping internal air separate from a dusty or humid ambient. Rated in watts of cooling capacity…

Free-standing boards and cubicles for main and sub-main distribution where the load exceeds what a wall board can carry. Frame dimensions, form of separation and busbar…

Double-insulated polycarbonate and ABS enclosures for wall or pole mounting where a metal box would need earthing and would corrode. Halogen-free, self-extinguishing bodies with IP65/IP66 sealing,…

Mechanical and electronic thermostats, hygrostats and resistive panel heaters that hold enclosure temperature above dew point and switch cooling on at setpoint. Heaters are rated in…

Filter fans, exit filters and panel lamps for enclosure ventilation and servicing. Fan selection is an airflow-versus-heat-load calculation: match m³/h to the dissipated watts and the…

Powder-coated mild steel and glass-reinforced polyester enclosures for panel building and field installations. Polyester adds corrosion resistance and double insulation outdoors; sheet steel takes heavier gear…

304 and 316 stainless enclosures for food, pharmaceutical, coastal and washdown environments where painted steel fails. Continuously welded seams, IP66 sealing and smooth external profiles that…

DIN-rail distribution boards for surface or flush installation, sized in module widths of 17.5 mm. Choose by way count, whether an earth and neutral bar is…

High-current DC connectors and terminals for battery banks and storage systems. Continuous current, cable cross-section, and whether the connection is touch-safe when live are the deciding…

Rectangular multi-pole connector systems that bundle power, control and signal into one mateable housing for machine and panel interconnection. Insert size, contact count and current rating,…

IEC 60309 pin-and-sleeve plugs, connectors and inlets in the standard current and voltage codes, colour-keyed by voltage band. Amperage, pole count including earth, and IP44 or…

Surface, panel and angled socket outlets for fixed installation, in matching IEC 60309 ratings. Interlocked versions prevent connection or disconnection under load, which is what regulations…

DC connectors and inline fuse holders for solar string wiring, rated for the higher DC voltages arrays produce. Touch-safe when mated, UV-stable housings, and crimp contacts…

Wall-mounted assemblies combining industrial socket outlets with their own protection, for workshops and site distribution. Way count, incoming supply arrangement and IP rating are the deciding…

Sealed plug and socket assemblies for outdoor, washdown and dusty environments where standard fittings would fail. IP65 and above, with gasketed lids and cable glands rated…

Signal isolators and converters that scale, isolate and translate between 4-20 mA, 0-10 V, thermocouple, RTD and pulse signals. Look at input and output type, isolation…

Photocell daylight switches and analogue or digital time switches for lighting and load scheduling. Digital units carry weekly programmes with holiday and astronomical modes; check the…

Conductive and float-based level relays that start and stop pumps on tank level, with adjustable sensitivity for different liquid conductivities. Fill and empty modes, probe count…

Plug-in miniature relays in 8-, 11- and 14-pin formats with matching sockets, retaining clips and LED or diode modules. Chosen by changeover count, contact rating and…

DIN-rail contactors for lighting, heating and general switching in distribution boards, in 17.5 mm module widths. Rated on AC-1 current rather than motor duty; quiet AC…

DIN-rail timers covering on-delay, off-delay, star-delta, cyclic and multifunction modes. Timing range, supply voltage, and whether the output is a changeover contact or a semiconductor are…

Sub-miniature and power relays for direct soldering to a printed circuit board. Contact arrangement, switching current, coil voltage and pin pitch determine the footprint — 5…

Timers and monitoring relays in the same plug-in socket format as miniature relays, so an existing base can be reused. Multifunction models cover several timing modes…

Higher-current plug-in and panel-mount relays for switching loads beyond what a miniature relay's contacts will take. Rated in amps per contact at a stated voltage, with…

Voltage, current, phase-sequence, phase-loss, earth-fault and thermistor relays that watch a circuit and trip before damage occurs. Adjustable setpoints and hysteresis, with modular DIN and plug-in…

Slim 6 mm interface relays that convert a PLC output into a volt-free contact, saving rail width in dense panels. Look at input voltage, contact rating,…

SSRs that switch resistive and inductive loads with no moving contacts, giving silent operation and long life on fast-cycling duty. Sized by load current with a…

Metric and PG cable glands in nylon, brass and stainless, plus flexible corrugated conduit and its fittings. Gland selection is set by the cable's outer diameter…

Nylon and stainless steel cable ties in the standard lengths and widths, plus mounts and releasable types. Tensile strength, UV stability for outdoor use, and temperature…

Copper tube lugs, links and reducers for terminating larger conductors, tin-plated to prevent corrosion at the joint. Cable cross-section and stud diameter both have to match,…

TS35 top-hat and G-section rail in the usual lengths, slotted and unslotted, in zinc-plated steel and stainless. Slotted rail cuts and fixes faster; stainless is for…

Insulated distribution blocks and busbar support insulators that split a supply from a single incomer to multiple outgoing ways. Rated by current, pole count, and the…

Energy chains that guide and protect cables and hoses on moving axes, preventing the fatigue failure loose cable suffers. Inner height and width, bend radius and…

Bootlace ferrules, insulated and non-insulated crimp terminals, and ring and fork tags for control wiring. Colour-coded by cross-section to DIN 46228; twin-entry ferrules are for two…

Laminated flexible busbar and braided copper links for connections that must absorb movement, thermal expansion or vibration. Current rating, length and hole centres define the part;…

Polyolefin heat shrink sleeving in 2:1 and 3:1 ratios, plain and adhesive-lined. Choose a supplied diameter that fits over the largest point and recovers tight onto…

Sealed enclosures with terminal blocks for cable joints and field wiring breakouts. IP rating, terminal count and cross-section, and knockout or gland-plate entries are what determine…

Screw-clamp terminal blocks in the standard cross-sections from 1.5 mm² upwards, with end plates, partition plates, jumper bars and end brackets. Screw connection remains the choice…

PVC wiring duct in the standard panel widths and heights, with matching lids. Slot pitch affects how easily wires break out to a terminal — fill…

Thermal transfer printers with the markers, tags, sleeves and label stock they print onto, for terminal, cable and device identification. Consumables are listed by tag size…

Knives, sheath strippers, deburring tools and multifunction preparation tools for getting cable ready to terminate. Sized by the cable diameter range the tool is designed to…

Interchangeable dies, nests and locators for hand, hydraulic and battery crimping tools. Each die is matched to a specific tool family, conductor size and crimp profile…

Digital multimeters and clamp meters for installation and fault-finding work. Measurement category rating, true-RMS capability, AC and DC current clamping, and the range of secondary functions…

Bench and hand cutters that give a clean square cut on DIN rail and PVC trunking without deforming the profile. Faster and more accurate than a…

Precision strippers for control wire, coaxial and larger insulated cable, including self-adjusting and rotary types. Conductor size range and whether blade depth is adjustable determine what…

Ratcheting hand crimpers for ferrules, insulated terminals and small lugs, with a release that only opens once the crimp is complete. Cross-section range and whether the…

Hydraulic and battery crimping and cutting tools for large conductors where hand tools cannot produce a compliant crimp. Rated by crimping force in tonnes and maximum…

Portable power quality analysers and loggers for recording voltage, current, harmonics and events on a live installation. Channel count, recording period, harmonic order captured, and the…

Thermal imagers for finding hot joints and overloaded circuits without contact, and multifunction installation testers for insulation resistance, loop impedance and RCD testing. Both are compliance…

Fibre amplifiers with plastic fibre heads for detection in tight spaces, and laser sensors where a small, precisely aimed spot is needed. Both offer far finer…

Cable-suspended float switches, vertical float sensors and continuous level probes for tanks, sumps and reservoirs. Float switches give a simple high or low signal; level probes…

Paddle, thermal and differential flow devices that confirm a pump is actually moving liquid. Switched outputs protect against dry running; analogue outputs feed a flow reading…

Non-contact sensors that detect ferrous and non-ferrous metal without touching it. Sensing distance, barrel diameter (M8, M12, M18, M30), shielded or unshielded construction, and PNP or…

Mechanical position switches with plunger, roller, lever and rod actuators for end-of-travel and position confirmation. Body material, actuator style, contact configuration and IP rating are the…

PIR and microwave occupancy detectors that switch lighting and ventilation on presence. Detection pattern, mounting height, time delay and lux threshold determine coverage; wall and ceiling-mount…

Through-beam, retro-reflective, polarised retro and diffuse sensors for detecting objects regardless of material. Through-beam gives the longest range and best reliability, diffuse needs no second component;…

Transmitters giving a 4-20 mA or 0-10 V signal proportional to pressure, and mechanical switches that change state at a setpoint. Pressure range, accuracy as a…

Optoelectronic guards that create a sensing field across a machine opening and stop motion when it is broken. Protected height, resolution — finger, hand or body…

Lockout hasps, padlocks, valve covers and tag kits for lockout/tagout during maintenance. Hasp jaw size sets how many padlocks can be applied; non-conductive bodies are the…

Safety relay modules and configurable safety controllers that evaluate emergency stops, guard switches and light curtains, then switch the machine's power contactors. Input channel count, achievable…

Interlock switches, tongue-operated switches, rope-pull switches and conveyor belt alignment switches that stop a machine when a guard opens or a hazard is reached. Actuator type,…

M8 and M12 pre-moulded cordsets, field-wireable connectors, splitters and extension leads for sensor wiring. Pin count, straight or 90-degree plug angle, cable length, and PVC or…

Optical and heat detectors for panel and room protection, giving early warning of fire in electrical spaces. Supply voltage, detection principle, and whether the unit provides…

PID and on/off temperature controllers with matching thermocouple and Pt100 probes. Controller selection covers panel cut-out size, input type, output form — relay, SSR drive or…

Distance and presence sensors that work on sound rather than light, so clear, shiny and dark surfaces are all detected the same way. Sensing range, blind…

Sensors that detect abnormal vibration or a change in tilt angle, used for machine condition monitoring and tip protection. Switching threshold is usually adjustable; output type…

Unmanaged DIN-rail Ethernet switches for extending a plant network where no VLAN or ring redundancy is needed. Port count, supply voltage and operating temperature range are…

Cellular routers and protocol gateways that connect remote sites, pump stations and generators back to a central system. SIM support, VPN capability, serial and Ethernet port…

SCADA software licences and runtime packages for visualising plant data, logging trends and handling alarms. Licences differ by tag count, client sessions and driver library, so…