



Craig & Derricott SDP403 I-Switch Moulded Triple Pole Enclosed Rotary Isolator Switch 40A 415V
SDP403
I-Switch Enclosed Triple Pole Rotary Isolator – 40A 415V, IP66 Rated
This 40A triple pole rotary isolator switch from the I-Switch range is built for dependable on-load disconnection in industrial, commercial, and plant environments. Rated for 415V AC, it features a durable PC/ABS moulded enclosure and is sealed to IP66, ensuring reliable performance even in demanding conditions. It includes safety enhancements such as a padlockable OFF position and captive stainless steel cover screws, making it a practical and safe isolation solution.
- 40A Triple Pole Isolation: Ideal for isolating 3-phase loads such as motors, compressors, or HVAC units.
- Weatherproof Design: IP66-rated enclosure protects against dust and water ingress for both indoor and outdoor applications.
- Built-In Safety Features: Padlockable in the OFF position to prevent cover removal—ideal for safe maintenance and lockout/tagout procedures.
- Robust Enclosure: Made from durable PC/ABS with stainless steel captive screws for corrosion resistance and long service life.
- Flexible Configuration: Compatible with auxiliary contact blocks and neutral assemblies to meet varied application needs.
Technical Specification
- Current Rating: 40A
- Voltage Rating: 415V AC
- Poles: 3 (Triple Pole)
- Material: PC/ABS moulded housing
- Ingress Protection: IP66
- Cable Entry: 2 x M20 knock-outs (top and bottom)
- Fixings: Located outside the sealed cavity
- Earthing: Integrated earth terminals in base
- Accessory Options: Supports auxiliary blocks and neutral assemblies
✅ Choose this 40A I-Switch rotary isolator for safe, weather-resistant disconnection in demanding electrical installations!
Range | i-Switch |
Product | Rotary Isolator Switches |
Ingress Protection | IP66 |
Length | 175 mm |
Voltage | 415 V |
Pole Configuration | Triple Pole (3P) |
Material | Plastic |
Width | 130 mm |
Depth | 115 mm |
Current Rating | 40A |
Standards | IEC/BS EN 60947-3 |
Number Of Poles | Triple Pole (3P) |
Mounting Type | Base |
Voltage Rating | 690 V |
Rated Current | 40 A |
Rated Short Circuit Withstand Current | 800A at 1sec kA |
Enclosed | Y |
Switched | Y |
C/w Fuses | Y |
Delivery Options:
- PRIORITY DELIVERY – Next Working Day (All items in stock and ordered before 3 pm) - £7.08 inc-VAT. (£5.90 ex-VAT)
- Orders Over £100 (before VAT): We offer free standard shipping on all orders shipped to UK mainland addresses
- Orders under £100 (before VAT): Our standard delivery fee to UK mainland addresses is £5.90 ex-VAT (£7.08 inc-VAT)
*Delivery charges to JE, GY, TR, BT, IM, IV, HS, KW, ZE and certain PA post codes are £12 ex-VAT for all orders (Prices subject to change).
Items requiring specialist shipping:
- Orders containing Solar Panels, Batteries and/or Inverters: Up to 50 qty will be dispatched on a pallet and incur a £120 ex-VAT delivery charge**.
**Delivery charges to JE, GY, TR, BT, IM, IV, HS, KW, ZE and certain PA post codes are £180 ex-VAT (Prices subject to change).
Contact us if you have any further questions.