Name: MCB DX3 4 pole 25A curve C
SKU: 409796

MCB DX3 4 pole 25A curve C

REF. 409796 EAN. 3245064097963

DX³ four-pole modular thermal-magnetic circuit breaker for control, protection, and isolation of electrical circuits, with fully visible breaking, 25kA breaking capacity at 400V~, C curve tripping, IP20 terminals, compatible with DX³ aux

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Description

Product characteristics

Breaking capacity 25kA according to IEC 60947 - 2. Tripping threshold in case of short - circuit between 125A and 250A (C curve between 5 In and 10 In)
Can be supplied either by copper cable, prong busbar (top side or bottom side), fork busbar (bottom side) or Legrand HX3 plug busbar (top side).
Protected against solid bodies larger than 12,5mm ("fingerproof") : IP20 according to IEC/EN 60529 standard.
Can be equipped with Legrand DX3 auxiliaries, RCD add-on modules and accessories.Can be connected to aluminium cable with terminal accessory n° 4 063 10.
This device complies with substance-restriction requirements and has been designed in an environmentally conscious process.

Recommendation / Restriction

This product should be installed in compliance with installation rules, preferably by a qualified electrician. Incorrect installation and/or incorrect use can lead to risk of electric shock or fire. Before carrying out the installation, read the instructions and take account of the product's specific mounting location. Do not open up, dismantle, alter or modify the device except where specifically required to do so by the instructions. All Legrand products must be opened and repaired exclusively by personnel trained and approved by Legrand. Any unauthorised opening or repair completely cancels all liabilities and the rights to replacement and guarantees. Use only Legrand brand accessories.

The product's benefits

Installation

Fitted with two DIN rail clamps, one top side and one bottom side, allowing an independent removal of this product when the prong busbar supplying the row is still in place.

Usage

Fitted with a label holder allowing a clear, visible and convenient identification of the circuit. On and OFF indication printed on the handle respectively on red and green backgrounds for an easy identification of the status of the MCB.

Technical characteristics

Built-in depth	44 mm
Release characteristic	C
Number of poles (total)	4
Number of protected poles	4
Rated current	25 A
Rated voltage	400 V
Rated insulation voltage Ui	500 V
Rated impulse withstand voltage Uimp	4 kV
Voltage type	AC
Rated short-circuit breaking capacity Icu according to IEC 60947-2 at 230 V	50 kA
Rated short-circuit breaking capacity Icu according to IEC 60947-2 at 400 V	25 kA
Frequency (Min-Max)	50-60 Hz
Flush-mounted installation	Yes
Concurrently switching neutral conductor	Yes
Pollution degree	3
Additional equipment possible	Yes
Width in number of modular spacings	4
Degree of protection (IP)	IP20

Ambient temperature during operating (Min-Max)	-25-70 °C
Connectable conductor cross section multi-wired (Min-Max)	1.5-25 mm²
Connectable conductor cross section solid-core (Min-Max)	1.5-35 mm²
Explosion-proof	No
Width	70.8 mm
Height	94.8 mm
Depth	77.8 mm
degree of impact strength (IK)	IK02
Storage temperature (Min-Max)	-40-70 °C
Nominal voltage (Min-Max)	360-440 V
Electric supplying direction	By the top or bottom
Terminal marking indication	No
Colour	Grey
RAL-number	7035
Halogen free	Yes
Connection type	Screwed terminal , Busbar and cable
Label space/information surface	Yes
Mounting method	DIN rail

MCB DX3 4 pole 25A curve C

MCB DX3 4 pole 25A curve C

Description

Product characteristics

Recommendation / Restriction

The product's benefits

Installation

Usage

Technical characteristics

Product environmental data

Documentation

Additional documents