



Craig & Derricott SDS403 I-Switch Stainless Steel Triple Pole Enclosed Rotary Isolator Switch 40A 415V
SDS403
I-Switch Stainless Steel Rotary Isolator – 40A 415V, Triple Pole, IP66 Rated
This 40A triple pole rotary isolator switch from the I-Switch stainless steel range is engineered for high-reliability isolation in harsh and hygiene-sensitive environments. Constructed from 1.2mm thick Grade 304 stainless steel and sealed to IP66, it is ideal for both outdoor use and indoor applications subjected to washdowns—such as food processing, pharmaceutical, marine, and industrial facilities. With full 3-phase isolation and support for auxiliary contacts and neutral assemblies, it combines robust performance with flexible functionality.
- Triple Pole Isolation: Designed for safe disconnection of all three phases in 415V industrial systems—ideal for motors, HVAC units, and process equipment.
- Rugged Stainless Steel Enclosure: 1.2mm thick Grade 304 stainless steel with a flush back design—resistant to corrosion, chemicals, and cleaning agents.
- IP66 Weatherproofing: Fully sealed for outdoor exposure and high-pressure cleaning—ideal for wet or demanding environments.
- Enhanced Safety Features: Cover cannot be removed when padlocked in the OFF position—supports safe lockout/tagout procedures.
- Flexible Cable Management: Includes 2 x M20 knockouts (top and bottom) and earth continuity terminals in both base and lid.
- Modular Expansion: Base-mounted switch-disconnector is compatible with optional auxiliary blocks and neutral assemblies.
Technical Specification
- Current Rating: 40A
- Voltage Rating: 415V AC
- Poles: Triple Pole (3P)
- Enclosure Material: Grade 304 stainless steel (1.2mm)
- Ingress Protection: IP66
- Cable Entries: 2 x M20 (top & bottom)
- Earthing: Earth continuity terminals in base and lid
- Mounting: Compatible with optional stainless steel external mounting feet
- Accessories: Supports auxiliary contact blocks and neutral assemblies
✅ Choose this 40A triple pole stainless steel rotary isolator for durable, safe, and weatherproof isolation in demanding or hygiene-sensitive environments!
Range | i-Switch |
Product | Rotary Isolator Switches |
Ingress Protection | IP66 |
Length | 175 mm |
Voltage | 415 V |
Pole Configuration | Triple Pole (3P) |
Material | 304 Brushed Stainless Steel |
Width | 130 mm |
Depth | 100 mm |
Current Rating | 40A |
Finish | Brushed Satin |
Number Of Poles | Triple Pole (3P) |
Mounting Type | Surface |
Voltage Rating | 380/440 V |
Rated Current | 40 A |
Breaking Current | 40 kA |
Rated Short Circuit Withstand Current | 600 kA |
Enclosed | Y |
Terminal Type | Tunnel |
Number Of Contacts | 3 |
Switched | Y |
Lockable? | Y |
Delivery Costs
Our standard delivery charge to UK mainland addresses is £5.90 ex-VAT.
Take advantage of FREE* Delivery when you spend over £100 (per order) ex-VAT.
*Delivery charges to JE, GY, TR, BT, IM, IV, HS, KW, ZE and certain PA post codes are £12.00 ex-VAT.
Solar Panels, Batteries and Inverters
Due to their size all solar panels, batteries and inverters orders up to 50 qty will be despatched on a pallet and incur a £120** ex-VAT delivery charge.
**£180 ex VAT to JE, GY, TR, BT, IM, IV, HS, KW, ZE and certain PA post codes.
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