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DPX³250 HP thermal magnetic release circuit breaker, 3 poles 50A , breaking capacity 70kA

DPX³ 250 HP LEGRAND

DPX³250 HP thermal magnetic release circuit breaker, 3 poles 50A , breaking capacity 70kA

REF. 423125 EAN. 3414971049277

DPX³ 250 HP, moulded case circuit breaker for switching, control isolation and protection of low voltage lines. Protects a circuit from damage caused by excess current from an overload or short circuit

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Description

DPX³ 250 HP, moulded case circuit breaker for switching, control isolation and protection of low voltage lines. Protects a circuit from damage caused by excess current from an overload or short circuit

Product characteristics
  • Breaking capacity of 70kA, according to EN/IEC standard 60947-2, suitable for protection of high power industrial installations
  • Rated insulation voltage of 800V - Rated impulse withstand voltage of 8kV
  • Protection unit with rotary knobs for manual adjustment:- thermal protection with manual adjustment range of 0.8 to 1.0 of the rated current- magnetic protection with manual adjustment range of 6.5 to 13 of the rated current
  • Supplied with connection fixing screws, connection plate for bars and cable lugs and insulated shields (phase barriers) - Can be equipped with auxiliaries (shunt release, undervoltage release, auxiliary contact), rotary handle, motor-driven handle, spreader, rear terminals, locking accessory and cage terminals (120mm² max. flexible cable or 150mm² max. rigid cable)
  • Fixed version but can be modified in a plug-in version (circuit breaker fitted with special terminals and mounted on a plug-in base) or in a draw-out version (a plug-in version fitted with a "Debro-lift" mechanism which can be used to withdraw the breaker while keeping it on its base)
Recommendation / Restriction
  • Can be fitted with cage terminals 120mm² max. (flexible cable) or 150mm² max. rigid cable

The product's benefits

Installation
  • Can be mounted on plate in Legrand cabinets and enclosures
Usage
  • Climatic condition according to IEC/EN 60947-1 Annex Q, Cat. F subject to temperature, humidity, vibration, shock and salt mist
Avantages
  • A unique size for all versions (thermal magnetic release/magnetic only /electronic release with or without measure, with or without earth leakage protection
  • A range completely suitable for high power application with high performance breakers in compact dimensions

Technical characteristics

Rated permanent current Iu 50 A
Rated voltage (Min-Max) 230-690 V
Rated short-circuit breaking capacity Icu at 400 V, 50 Hz 70 kA
Overload release current setting (Min-Max) 40-50 A
Adjustment range undelayed short-circuit release (Min-Max) 325-650 A
Device construction Built-in device fixed built-in technique
Integrated earth fault protection No
Type of electrical connection of main circuit Bolt connection
Suitable for DIN rail (top hat rail) mounting No
DIN rail (top hat rail) mounting optional No
Number of auxiliary contacts as change-over contact 2
With switched-off indicator Yes
With integrated under voltage release No
Number of poles 3
Position of connection for main current circuit Front side
Type of control element Wing knob
Complete device with protection unit Yes
Motor drive integrated No
Motor drive optional Yes
Degree of protection (IP) IP30
Width 105 mm
Height 165 mm
Depth 112 mm
degree of impact strength (IK) Not applicable
Operating / setting temperature (Min-Max) -5-70 °C
Storage temperature (Min-Max) -25-85 °C
Voltage type AC
Frequency (Min-Max) 50-60 Hz
Electric supplying direction Not applicable
Terminal marking indication No
Colour Grey
RAL-number 7035
Halogen free Yes
Terminals capacity (Min-Max) 2.5-120 mm²
Cable nature for connection Flexible or rigid
Label space/information surface No

Documentation

5 documents
Technical Sheet
F03042EN_06.pdf pdf (10.06 Mo)
Instruction Use
LE11440AB.pdf pdf (1.02 Mo)
Workshop Book
Technical Sheet
F03042FR_06.pdf pdf (10.88 Mo)
Workshop Book
4 documents
Catalogue Technical Page
ex223001_0192.pdf pdf (0.19 Mo)
Catalogue Technical Page
ex223001_0193.pdf pdf (0.04 Mo)
Catalogue Technical Page
ex223001_0191.pdf pdf (0.12 Mo)
Catalogue Commercial Page
ex223001_0170.pdf pdf (0.09 Mo)
1 document
3D Autocad
423120.dwg dwg (0.29 Mo)
1 document
PEP
LGRP-01375-V01.01-EN.pdf pdf (0.71 Mo)
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