MPN

RS PRO 20A 300/520 V ac 50/60Hz, Chassis Mount Power Line Filter, Terminal Block 3 Phase

RS Stock No.:: 237-8740
Brand:: RS PRO

RS PRO 20A 300/520 V ac 50/60Hz, Chassis Mount Power Line Filter, Terminal Block 3 Phase

Subtotal (1 box of 28 units)*

£1,223.936

(exc. VAT)

£1,468.712

(inc. VAT)

FREE delivery for orders over £50.00

Temporarily out of stock

Shipping from 18 February 2026

Need more? Click ‘Check delivery dates’ to find extra stock and lead times.

Units	Per unit	Per Box*
28 +	£43.712	£1,223.94

*price indicative

RS Stock No.:: 237-8740
Brand:: RS PRO

Find similar products by selecting one or more attributes.

Select all	Attribute	Value
	Brand	RS PRO
	Maximum Current Rating	20A
	Maximum Voltage Rating	300/520 V ac
	Mounting Type	Chassis Mount
	Termination Style	Terminal Block
	Number of Phases	3
	Number of Stages	Single Stage
	Operating Frequency	50/60Hz
	Length	105
	Depth	96
	Capacitance	1.0µF
	Height	41
	Inductance	3*2.2mH
	Dimensions	1059641mm
	Minimum Operating Temperature	-25°C
	Leakage Current	2.4/3.7mA
	Maximum Operating Temperature	+100°C
	Resistance	1MΩ*3

	Select all
	Brand RS PRO
	Maximum Current Rating 20A
	Maximum Voltage Rating 300/520 V ac
	Mounting Type Chassis Mount
	Termination Style Terminal Block
	Number of Phases 3
	Number of Stages Single Stage
	Operating Frequency 50/60Hz
	Length 105
	Depth 96
	Capacitance 1.0µF
	Height 41
	Inductance 3*2.2mH
	Dimensions 1059641mm
	Minimum Operating Temperature -25°C
	Leakage Current 2.4/3.7mA
	Maximum Operating Temperature +100°C
	Resistance 1MΩ*3

RS PRO Power Line Filter

This range of RS PRO Power Line Filters have been designed with the highest quality and versatility in mind

a compact component that can be connected to electrical devices to prevent external radio frequencies from impairing performance.
This power line filter significantly reduces the amount of conducted frequencies between your equipment and the connecting power line. RFI can cause permanent damage to electronic circuits, so filtering them out is crucial to prolong the working life of your devices. The filter also protects against transient voltage spikes, which can result from power outages, short circuits, and nearby lightning strikes.
This RS PRO filter is available with fuse holder for two (5*20mm) fuses (R5) types comply with the requirements of IEC/EN60601-1 for safety clearance, leakage current and hipot testing. There are a variety of parts and combinations to meet different customer's EMC tests.

Features and Benefits

Rated currents up to 10A

Quick connect(6.3*0.8mm)

There are a variety of parts and combinations to meet different customer's EMC tests

Customized products according to customer's requirementss

Applications

These RS PRO Power Line Filters can ensure equipment runs safely and reliably by Preventing interference, even when exposed to unpredictable electromagnetic environments. This RFI filter is a great size for small and medium-sized machines and household equipment and is a good way to ensure that sensitive electronics, such as medical and industrial equipment, are well protected.

Why RS PRO?

RS PRO is our own brand range and brings you a wide range of high-quality, great value products offering you more choice. Trusted by engineers all over the world, every part of every RS PRO product has been rigorously tested against demanding industry standards
they’re only given the RS PRO seal of approval if we’re confident of their exceptional quality, which means you can be confident too.

Also available for purchase in a pack size of 28. Please see RS 237-8740

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