MPN

Legrand DX DX3 Miniature Circuit Breaker, 4-Pole, 20 A, Type C, 400 V AC, 10 kA Breaking Capacity

RS Stock No.:: 731-9755
Mfr. Part No.:: 4 078 99
Manufacturer:: Legrand

Legrand DX DX3 Miniature Circuit Breaker, 4-Pole, 20 A, Type C, 400 V AC, 10 kA Breaking Capacity

Image representative of range

Subtotal (1 unit)*

€217.26

(exc. VAT)

€267.23

(inc. VAT)

In Stock

Plus 1 unit(s) shipping from 26 January 2026

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

Units	Per unit
1 +	€217.26

*price indicative

RS Stock No.:: 731-9755
Mfr. Part No.:: 4 078 99
Manufacturer:: Legrand

Specifications

Technical data sheets

Legislation and Compliance

Product Details

Find similar products by selecting one or more attributes.

Select all	Attribute	Value
	Brand	Legrand
	Number of Poles	4
	Product Type	Miniature Circuit Breaker
	Current Rating	20 A
	Tripping Characteristics	Type C
	Rated AC Voltage	400 V
	Mount Type	DIN Rail
	Breaking Capacity	10kA
	Range	DX
	Series	DX3
	IP Rating	IP2X, IPXXB
	Standards/Approvals	IEC 61008-1, ISO 14001, IEC 61009-1, IEC 60898-1, ISO 9001, VDE, IEC 60947-2

	Select all
	Brand Legrand
	Number of Poles 4
	Product Type Miniature Circuit Breaker
	Current Rating 20 A
	Tripping Characteristics Type C
	Rated AC Voltage 400 V
	Mount Type DIN Rail
	Breaking Capacity 10kA
	Range DX
	Series DX3
	IP Rating IP2X, IPXXB
	Standards/Approvals IEC 61008-1, ISO 14001, IEC 61009-1, IEC 60898-1, ISO 9001, VDE, IEC 60947-2

COO (Country of Origin):: FR

Type C 4-pole DX³

MCCBs that allow the use of supply busbars and auxiliary contacts.

10 kA Breaking capacity

C type : Detect C components faults

Connection type : Screw / Screw

Number of modules : 3

Standards

6000 - NF EN 60898-1
10 kA - EN 60947-2

Legrand DX DX3 Miniature Circuit Breaker, 4-Pole, 20 A, Type C, 400 V AC, 10 kA Breaking Capacity

Type C 4-pole DX³

Standards

Related links