Alarm Systems Electrical Cables

Steel Wire Armoured Cables - BS5467 - PVC Steel Wire Armoured Cables - BS6724 - LSZH H07RN-F ExtremeFlex90 Flexible Mains & Control Cable Belden Equivalent Cables Tri Rated Cables - BS6231 6491X H07V-R Cables - BS EN 50525-2-3 - PVC 6491B HO7Z-R Cables - BS EN 50525-3-41 - LSZH 6242 / 6243 Twin & Earth Cables - BS6004 - PVC 6242 / 6243 Twin & Earth Cables - BS7211- LSZH NYY-J Cables - IEC60502-1 - PVC SY Control Cables - BS50525-2-11 - PVC SY Control Cables - BS50525-2-11 - LSZH 318*Y Flex Cables - H05VV-F - PVC 6941AX/AB Single Core AWA Cables - PVC & LSZH 2491B / 6701B Cables - LSZH Steel Wire Armoured Cables - Aluminium - BS5467 - PVC Fire Alarm & Security Cables - BS5839/BS7629 Fire Alarm & Security Cables - Enhanced - BS5839 / BS7629 N2XH Cables - BS EN / IEC 60332-3-24 (c) - LSZH N2XH KEMA Approved Cables - LSZH EV-Ultra Electric Vehicle Power & CAT5e Cable ConnectEV Electric Vehicle Power & CAT5e Cable Bare Soft Drawn Copper Cables Bare Hard Drawn Copper Cables 6181Y Double Insulated ( Meter Tails ) Cables - BS6004 - PVC 6181B Double Insulated ( Meter Tails ) Cables - BS7211 & BS8573 / IEC60502 - LSZH 218*Y H03VV-F Flexible Cord 219*Y PVC Oval Flat Flexible Cables - BS6500 3093 / 3094 & 3095 PVC Heat Resistant Flexible Cables - BS EN 50265 318*B Flex Cables - HO5Z1Z1-F - LSZH Arctic Grade Flexible Cables - BS6004 - Table 44 Solar Cables - TUV Approved PV-Ultra Solar Cable 6491F Single Core Fireproof Cables Fireproof Mains & Control Cables - LSZH Fireproof Mains Cables - LSZH Fireproof Mains & Control Cables - Enhanced - LSZH Fireproof Mains Cables - Enhanced - LSZH 318* Tough Rubber Flex Cords H07ZZ-F Flex Mains & Control Cables - LSZH TQ Flexible Cables - EPR / CSP Type 4 Coil End Lead Cable 0361TQ Welding Cable - BS638 Part 4 YY Control Cables - BS50525-2-11 - PVC YY Control Cables - BS50525-2-11 - LSZH CY Control Cables - BS50525-2-11 - PVC CY Control Cables - BS50525-2-11 - LSZH BS8436 Protected Fixed Wiring Cable NYMJ Cables NHXMHJ Cables Security Alarm Cables UTP/FTP CAT5E/CAT6 Data Cables Internal Telephone Cables - BS4066 Coaxial Cables Bell Wire & Speaker Cables Defence Standard 61-12 Control Cables KNX Cables ENATS 09-6 Communications & Telephone Cables BS5308 Instrumentation Cables 6381Y DC Cables - PVC 6381B DC Cables - LSZH 6181X Mains & Cathodic Cables - BS7889/97 - PVC 6941X Armoured Cathodic Protection Cables - PVC Induction Loop Detector Cable - BS6500 / BS6195 DNO Concentric Cables - Split & Straight DNO Waveform Cable DNO 11KV Cable 11kV Armoured Mains Cable - Single Core - LSZH 11kV Armoured Mains Cable - 3 Core - PVC 11kV Armoured Mains Cable - 3 Core - LSZH 657*TQ Marine & Offshore Cables 658*TQ Marine & Offshore Cables XAI Marine Cables NEK606 BFOU Power & Instrumentation Marine Cable NEK606 RFOU Power & Instrumentation Marine Cable

Cable Accessories & Components

Cable Joint Kits Cable Jacks Runpotec Tools BW & BW LSF Indoor Cable Glands CW & CW LSF Outdoor Cable Glands IP65 Cable Glands with Locknuts SWA Storm Cable Glands CX Cable Glands E1W & E1FW Cable Glands A2 & A2F Cable Glands Atex Exe Nylon IP67 Unarmoured Cable Glands with Locknuts 17th Edition Cable Glands Aluminium Cable Glands Gland Accessories Cable Cleats BICC Components Aluminium Claw Cleats BICC Components Aluminium Cable Cleats (Two Bolt) BICC Components Single Hole Trefoil Cleats UniCrimp Metal Cable Cleats In Sizes From 5mm - 50.8mm OD Cable Accessories & Cable Rods Fire Protection Cable Accessories Heatshrink & End Caps Mechanical Connectors Crimping Tools Hazard Warnings Girder Clip Fixings Uninsulated Crimp Pins Uninsulated Crimp Blades Uninsulated Cable Lugs Uninsulated Cable Lugs - Narrow Palm Transformer Lugs Insulated Crimps Bootlace Ferrules CMP Sabre Plastic Cable Cleats CMP Falcon Two Bolt Plastic Cable Cleats CMP Saturn Quad Cleats Stainless Steel

Cable Management

20mm PVC Conduit 25mm PVC Conduit 32mm PVC Conduit 20mm Steel Conduit 25mm Steel Conduit 32mm Steel Conduit Conlok Conduit Accessories Conduit Accessories Underground Ducting Cable Protection Guards Pre-Cut Slotted Channel Channel Channel Accessories - Brackets Channel Accessories - Fixings Stainless Steel Channel & Accessories Legrand Basket MRF / SRF Return Flange Cable Tray Lengths SSL Light Duty Tray PVC Cable Trunking Legrand Lighting Trunking Legrand Salamandre Steel Trunking Legrand 1P4X Accessories Legrand Medium Ladder Legrand Heavy Duty Ladder Dado Trunking Skirting Trunking Flexible Conduit Contractors Kit PVC Coated Steel Conduit Liquid Tight Kopex FX Support System Metal / PVC Capping & Oval Conduit PVC Mini Cable Trunking - White PVC Mini Cable Trunking - Red PVC Mini Cable Trunking - Black MRF/SRF 90° Cable Tray Flat Bends MRF/SRF 90° Cable Tray Inside Risers MRF/SRF 90° Cable Tray Outside Risers MRF/SRF Cable Tray Equal Tees MRF/SRF Cable Tray Couplers Legrand Cable Tray - Clips & Grips Cable Tray Standoff Brackets Cantilever Arms Screwed Rod & Accessories All Round Band Power Pole Catenary Wire Kits and Accessories Legrand Swiftwire Roofing Nuts & Bolts Hex Head Nuts & Bolts - BZP Hex Head Nuts & Bolts - Brass Hex Head Nuts & Bolts - Stainless Steel

Industrial & Commercial LED Lighting Domestic LED Lighting

Decorative Outside Wall Lights Ellumiere 12V Garden Lighting 2D Amenity LED Golf Fittings Ansell Prism Spotlights ML Accessories Downlights Kosnic Mauna Plus LED Downlights Ovia Inceptor LED Fittings Forum Lighting Downlights Collingwood H2 Lite Downlights LED Floodlights Collingwood LED Floodlights Pondmax 12V Fittings & Accessories LED Post Lighting Bathroom LED Mirrors Plinth & Decking Lighting LED Batten Lighting LED Link Lights Picture Wall Lights Ground & Spike Light Fittings Indoor Lighting LED Bulkhead Fittings Ansell Edge Downlights Scolmore Click Flameguard Downlights GU10 LED Spotlight Lamps LED Kitchen Lighting Megaman LED Fittings LED Compatible Dimmer Modules Relco LED Inline Dimmers Switches Classic GLS LED Lamps Candle & Golf LED Lamps 12V LED Strip Lights 24V LED Strip Lights 24V COB LED Strip Lights Antique Gold LED Filament Lamps Rechargeable Cabinet Lights 4Lite Wiz Smart Lamps LED Brick & Guide Lighting LED Reflector Lamps LED Push Fit Capsule Lamps Double Ended Tubular Lamps 2D Amenity Replacement LED Lamps Decorative Pendant Lighting Appliance Lamps Tungsten Halogen Lamps

Heating & Hand Dryers

Electric Fires Air Conditioning Units Energy Efficient Electric Radiators Panel Heating Heating Outdoor Heating Commercial Heating 3-40kW for Garages & Warehouses Commercial Ceiling Heaters Tube Heaters & Guards Undersink Water Heaters Oversink Water Heaters Electric Showers Hand Dryers Base Unit Heaters Over Door Heaters Towel Warmers Heating Control Heatmat Mirror Demister Pads Heatmat PipeGuard Frost Protection Heater Cable Kits

110V Industrial Extension Leads & Site Boxes Industrial Extension Leads Caravan Hookup Units Phase 3 Connectors Phase 3 Panel Mounted Sockets IP44 Mennekes Plugs & Connectors IP67 Mennekes Plugs & Connectors IP44 Mennekes Wall Sockets & Inlets IP67 Mennekes Wall Sockets IP44 Mennekes Phase Invertor Plugs IP44 Mennekes Panel Mounted Sockets IP67 Mennekes Panel Mounted Sockets Mennekes Switched Interlocks IP44 Gewiss Plugs & Connectors IP67 Gewiss Plugs & Connectors IP44 / IP67 Gewiss Wall Mounted Sockets IP44 / IP67 Gewiss Panel Mounted Sockets IP44 / IP67 Gewiss Appliance Inlets IP67 Scame ATex Plugs & Connectors Gewiss Switched Interlocks Scame ATEX Switiched Interlocks Famatel 690V IP67 Plugs & Connectors IP44 / IP67 Garo Plugs & Connectors Garo Pro Scene Plugs & Sockets Ceenorm Plugs, Sockets & Accessories Y Splitters & Convertor Sockets Site Transformers 110V Lighting 110V Site Non Corrosives Portable Transformers Enclosed Transformers Festoon Lighting Rechargeable LED Site Lighting Headlamps & Torches Trip Hazard Matting

Switchgear & Control Switches & Sockets Ventilation Fans & Ducting

Airflow Ventilation Mains Airflow Ventilation Low Voltage Range Airflow iCONsmart Ventilation Mains Xpelair Fan Range Airvent Ventilation Mains & Low Voltage Manrose Ventilation Positive Input Ventilation / PIV Fans Domus Ventilation Domus D Series Range Domus Ventilation Flat Ducting - 4" Domus Ventilation Round Ducting - 4" Domus Ventilation Round Ducting - 5" Domus Ventilation Round Ducting - 6" Ducting Seals Desk & Pedestal Fans

Wiring Accessories & Consumables

01642 266013

0800 652 9229

Order and Helpline open now

Prices Ex. VAT Prices Inc. VAT

0 £0.00 £0.00

Free Delivery On orders over £50 to UK mainland
postcodes. Click to see exceptions. Place Your Order before 2.30pm for same day dispatch Mon-Fri
Open 8.30am-5pm Mon-Fri, 8am-12pm Sat Click & Collect Available from our Middlesbrough depot Cable Size Calculator Step by step size selector

CED SD20 20amp TPN Isolator Switch Disconnector 500volt

CED-SD20

£42.45EX. VAT

£50.94INC. VAT

In Stock

Order before 2.30pm for same day dispatch*
Order now to collect from our Middlesbrough Depot in 2 hours time*

Add To Basket

The CED-SD20 is a 3 pole 20 amp 415 volt three phase triple pole and neutral Switch Disconnector.

Mainly used in an electrical distribution or industrial environment, Isolator switches are used to disconnect the source of power when machine services or repairs are required.

Knockouts
2 x 20
1 x 25

3 Pole switched
1 x Neutral block

Dimensions: (H) 160 x (W) 195 x (D) 95mm

IP41

BSEN609473-1

Often Bought With:

CED SF20 20amp TPN Switch Fuse Grey Steel enclosure 500volt Only £59.94 Inc. VAT £49.95 Ex. VAT Only £49.95 Ex. VAT £59.94 Inc. VAT

Information

Superlec Direct

Get In Touch

Contact Us

info@superlecdirect.com

0800 652 9229

Superlec Direct
1 Barton Road
Riverside Park
Middlesbrough
TS2 1RX

Superlec Electrical Distributors Ltd
Place of Registration: England
Registered number: 01591325
Registered Office: 1 Barton Road, Riverside Park, Middlesbrough, TS2 1RX

Website ©2025 Superlec Electrical Distributors Limited

Mastercard • Visa • PayPal • Google Pay • Apple Pay