MK Electric White K4857 Fan Isolator Switch 250 V IP4X

RS Stock No.:: 169-1880
Mfr. Part No.:: K4857WHI
Brand:: MK Electric

MK Electric White K4857 Fan Isolator Switch 250 V IP4X

Subtotal (1 unit)*

£21.40

(exc. VAT)

£25.68

(inc. VAT)

FREE delivery for orders over £50.00

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Shipping from 13 April 2026

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Units	Per unit
1 +	£21.40

*price indicative

RS Stock No.:: 169-1880
Mfr. Part No.:: K4857WHI
Brand:: MK Electric

Specifications

Technical Reference

Legislation and Compliance

Product Details

Find similar products by selecting one or more attributes.

Select all	Attribute	Value
	Brand	MK Electric
	Colour	White
	Product Type	Fan Isolator Switch
	Number of Gangs	1
	Number of Poles	3
	IP Rating	IP4X
	Operating Voltage	250 V
	Series	K4857
	Height	86mm
	Width	86 mm
	Fixing Standard	BS
	Material	Stainless Steel
	Mount Type	Flush

	Select all
	Brand MK Electric
	Colour White
	Product Type Fan Isolator Switch
	Number of Gangs 1
	Number of Poles 3
	IP Rating IP4X
	Operating Voltage 250 V
	Series K4857
	Height 86mm
	Width 86 mm
	Fixing Standard BS
	Material Stainless Steel
	Mount Type Flush

Logic Plus series

COO (Country of Origin):: MY

MK Electric Logic Plus White Moulded Triple Pole Fan Isolator Switch

The MK Electric Logic Plus white moulded triple pole fan isolator switch, with 10A Switchlock and Padlock, provides a simple and safe method of isolating mechanical fan units. It is used when there is little or no natural light available.

Features and Benefits:

• Stored energy is the method of operation

• Suitable for ionisation

• AC23B utilisation category

• Electric rating of 250VAC and 10A at 50Hz

• The switch has a terminal capacity of 4 x 1mm², 4 x 1.5mm², 3 x 2.5mm², 2 x 4mm² and 1 x 6mm²

• The nominal contact gap is 3mm

• 100A rms rated making capacity

• 80A rms rated breaking capacity

• 6000A rms rated conditional short-circuit current

• (with supply side protective device GEC NIT 16 BS88: part 2: 1988 16A 550VAC utilisation category gG 80KA breaking capacity fuse links)

• Operating temperature range between -5°C to +40°C

• 2000m maximum installation altitude

• Number of poles 3

•Termination type screw

Applications:

• Bathrooms

• Storerooms

• Basements

Certifications:

• IP4X rated