Fire Rated Isolators | F400 Fire Resistant Switch Disconnectors

Fire Rated Isolators | F400 Fire Resistant Switch Disconnectors

Fire Rated Isolators | F400 Fire Resistant Switch Disconnectors

F400 Fire Resistant Switch Disconnectors

Fire Rated Isolators

The F400 by Craig & Derricott is a range of fire rated isolators designed for installations where the LV electrical supply must be maintained for 2 hours at 400°C in the event of a fire. The isolators range from from 20A to 630A, these electrical isolation units are supplied in IP66/65 die-cast aluminium or IP65 sheet steel enclosures.

Fire rated isolators (switch disconnectors) are installed throughout industrial, building services and HVAC (ventilation fans) projects providing excellent switching ability even under fire conditions.

F400 fire resistant isolators (often referred to as switch disconnectors) are mounted near to the extraction fan for isolation purposes and have been tested in conjunction with the fan equipment to meet the strict thermal requirements of BS EN 12101-3.

BS EN 12101-3 Standard | Smoke & Heat Control Systems. Specification for powered smoke and heat control ventilators (Fans).

All isolators are supplied in a Traffic Red (RAL 3020) polyester powder coat finish, with padlocking in both ‘Off’ and ‘On’ positions.

Isolator Options

‘N’ = switched neutral (Early make, late break) | ‘NL’ = Unswitched neutral | ‘EB = Early break auxiliary contacts
‘T’= Increased terminal capacity

F400 Fire Resistant IsolatorsF400

The below table shows all variations of the F400 range of fire resistant isolators including the rating, format, switch type, enclosure material and colour as well as the IP rating.

Isolator RatingFormatSwitch MountCat. No.Encl. SizeEncl. MaterialIP RatingEncl. Colour
20A2PLid mountedFSDMR0202ASheet SteelIP65Traffic Red Ral 3020
3PFSDMR0203
3P+2E/B AuxFSDMR0203EB
3P+NLFSDMR0203NL
4PFSDMR0204
6PFSDMR0206
6P+2E/B AuxFSDMR0206EB
25A2PLid mountedFSDMR0252ASheet SteelIP65Traffic Red Ral 3020
3PFSDMR0253
4PFSDMR0254
20A2PLid mountedFSDDR0202EDie-CastAluminiumIP65Traffic Red Ral 3020
3PFSDDR0203
3P+2E/B AuxFSDDR0203EB
3P+NLFSDDR0203NL
4PFSDDR0204
6PFSDDR0206B
6P+2E/B AuxFSDDR0206EB
32A2PLid mountedFSDDR0322BDie-CastAluminiumIP65Traffic Red Ral 3020
3PFSDDR0323
3P+2E/B AuxFSDDR0323EB
3P+NLFSDDR0323NL
4PFSDDR0324
6PFSDDR0326
6P+2E/B AuxFSDDR0326EB
40A2PLid mountedFSDDR0402BDie-CastAluminiumIP65Traffic Red Ral 3020
3PFSDDR0403
4PFSDDR0404
63A2PBase mountedFSDMR0632CSheet SteelIP65Traffic Red Ral 3020
3PFSDMR0633
3P+2E/B AuxFSDMR0633EB
3P+NLFSDMR0633NL
4PFSDMR0634
6PFSDMR0636
6P+2E/B AuxFSDMR0636EB

 

RatingFormatSwitch MountCat. No.Encl. SizeEncl. MaterialIP RatingEncl. Colour
80A2PBase mountedFSDMR08023ASheet SteelIP65Traffic Red Ral 3020
3PFSDMR0803
3P+NLFSDMR0803NL
4PFSDMR0804
3P+2E/B AuxFSDMR0803EBD
6PFSDMR0806
6P+2E/B AuxFSDMR0806EB
125A2PBase mountedFSDMR01252DSheet SteelIP65Traffic Red Ral 3020
3PFSDMR01253
3P+NLFSDMR01253NL
3P+2E/B AuxFSDMR01253EB
4PFSDMR01254
6PFSDMR01256
6P+2E/B AuxFSDMR01256EB
160A3PBase mountedFSDMR016035Sheet SteelIP65Traffic Red Ral 3020
3P+NLFSDMR01603NL
4PFSDMR01604
6PFSDMR016067
200A3PBase mountedFSDMR020035Sheet SteelIP65Traffic Red Ral 3020
3P+NLFSDMR02003NL
4PFSDMR02004
6PFSDMR020067
250A3PBase mountedFSDMR025035Sheet SteelIP65Traffic Red Ral 3020
3P+NLFSDMR02503NL
4PFSDMR02504
6PFSDMR025067
315A3PBase mountedFSDMR031536Sheet SteelIP65Traffic Red Ral 3020
3P+NLFSDMR03153NL
4PFSDMR03154
6PFSDMR031569
400A3PBase mountedFSDMR040036Sheet SteelIP65Traffic Red Ral 3020
3P+NLFSDMR04003NL
4PFSDMR04004
6PFSDMR040069
630A3PBase mountedFSDMR063038Sheet SteelIP65Traffic Red Ral 3020
3P+NLFSDMR06303NL
4PFSDMR06304
6PFSDMR063069

Fire Rated Isolators – F400 Enclosed Switch-Disconnectors

Fire Resistant Isolators | F400 Dimensions

Fire Resistant Isolators | F400 Dimensions

Fire Rated - F400 Enclosed Switch-Disconnectors

Fire Rated – F400 Enclosed Switch-Disconnectors

DimensionsEnclosure Size
C3AD56789
Height (H)250350480550750750900900
Width (W)250300240450450600600600
Depth (D)165175238250275300300400
Vertical Fixing CRS (A)188270400470670670820820
Horizontal Fixing CRS (B)188220160370370520520520
Fixing Hole Size (Ø)8.58.58.58.58.58.510.510.5
Foot Projection (E)3535353535353535
Foot Width (F)5858585858585858
Hole Centres (G)1313131313131313
Hole Centres (J)5858585858585858
Fixing Hole Size (ØØ)8.58.58.58.58.58.510.510.5

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Fire Rated Isolators

Fire Rated Isolators | F200 | F300 | F400 for Fire Resistant Building Services Applications