



Craig & Derricott EDFG01253NL i-Switch Light Grey Sheet Steel TPN Fuse Combination Unit With Safety Handle IP65 125A 415V Height: 500mm - Width: 400mm - Depth: 267mm
EDFG01253NL
Range Options
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EDFG00323NL | 32A, H300 W300 D217mm | £270.25 £225.21 |
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EDFG00633NL | 63A, H300 W300 D217mm | £295.75 £246.46 |
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EDFG01003NL | 100A, H500 W400 D267mm | £423.92 £353.27 |
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EDFG01253NL | 125A, H500 W400 D267mm | £465.97 £388.31 |
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EDFG01603NL | 160A, H500 W400 D267mm | £496.84 £414.03 |
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EDFG02003NL | 200A, H600 W400 D267mm | £734.82 £612.35 |
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EDFG02503NL | 250A, H600 W400 D367mm | £875.40 £729.50 |
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EDFG03153NL | 315A, H800 W600 D367mm | £1,070.52 £892.10 |
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EDFG04003NL | 400A, H800 W600 D367mm | £1,159.54 £966.28 |
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EDFG06303NL | 630A, H1000 W600 D367mm | £2,075.98 £1,729.98 |
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Craig & Derricott i-Switch TPN 125A Fuse Combination Unit – High-Performance IP65 Isolator for Demanding Installations
The Craig & Derricott EDFG01253NL i-Switch is a 125A TPN fuse combination unit designed for industrial-grade isolation with safety and reliability at its core. Housed in a rugged IP65 sheet steel enclosure, it features a lockable handle, clear contact indication, and removable gland plates for ease of installation.
- Secure Safety Handle: Lockable in the 'Off' position (accepts up to three padlocks), ensuring the door cannot be opened while isolated.
- Interlock Override: Allows authorised access for testing or emergency use, when carried out by a competent person.
- Visual Contact Status: Integrated viewing windows provide clear indication of contact position.
- Installer-Friendly Layout: Top and bottom removable gland plates with switch mounted on galvanised chassis for efficient cable management.
- Accessory Compatible: Optional fuse covers available for added operator safety and compliance.
Technical Specification
- Configuration: 3 Pole + Unswitched Neutral
- Current Rating: 125A (Ithe)
- Breaking Capacity: 1000A (AC23A/415V)
- Construction: IP65 Sheet Steel – Grey RAL 7035
- Dimensions: 500mm (H) x 400mm (W) x 267mm (D)
✅ Count on the Craig & Derricott 125A i-Switch for secure, high-capacity isolation in harsh environments and safety-critical installations.

Fuse System | BS88 |
Range | Craig & Derricott i-Switch |
Product | Switch Fuses & Disconnectors |
Type | Fuse Switch |
Ingress Protection | IP65 |
Length | 500 mm |
Voltage | 415 V |
Pole Configuration | Four Pole (4P) |
Material | Sheet Steel |
Width | 400 mm |
Depth | 267 mm |
Current Rating | 125A |
Finish | Powder Coated |
Standards | IEC / BS EN 60947-3 |
Number Of Poles | Four Pole (4P) |
Voltage Rating | 415 V |
Rated Current | 125 A |
Breaking Current | 80 kA |
Enclosed | Y |
Terminal Type | Lug |
Height | 500 mm |
Number Of Contacts | 4 |
Switched | Y |
Lockable? | 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.