Brand Name :
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Type/Size/Grade/Variety :
Name of the product: Low-Voltage Switchgear and Controlgear Part 2 Circuit-Breakers
Model No. Legrand (Model : DX3 80A to 125A)
Rated Voltages
(Cl.4.3.2) Rated operational voltage (Ue) -240V and 415V AC
Rated insulation voltage (Ui)- 500V AC
Rated impulse withstand voltage (Uimp)- 6 kV peak
Rated Currents Conventional free-air thermal current (Ith) -80A to 125A
(Cl. 4.3.3)
Conventional enclosed thermal current (Ithe) Not Applicable
Rated current (In)- 80A to 125A
Current rating for circuit-breakers (Ics, Icu)-
(Icu)- Legrand (16kA at 240Vac, 16kA at 415Vac)
(Ics)- Legrand (16kA at 240Vac, 16kA at 415Vac)
Rated Frequency (Cl. 4.3.4) 50/60 Hz
Rated duty (Cl. 4.3.5) uninterrupted duty- ‘Iu’ 80A to 125A
Selectivity (Cl. 4.4) Category type, A
Interrupting Medium
(Cl. 3.2) Air-break
Method of installation
(Cl. 3.7) Fixed
Method of controlling the operating mechanism (Operation)
(Cl. 3.4) Dependent manual
Design / Construction Type
(Cl. 3.3) Moulded case
Suitability for isolation (Cl. 3.5) Suitable for isolation
Provision for maintenance
(Cl. 3.6) Non-Maintainable.
Type of Releases
(Cl. 4.7) 1) shunt release;- -
2) over-current release: Instantaneous, inverse time delay - dependent on previous load: Yes
3) undervoltage release (for opening);- -
Type of Supply (ac / dc)
(Cl. 4.2) One Phase and Three Phase AC type
Number of Pole
(Cl. 4.2) One pole (1P), Two poles (2P),
Three Poles (3P), Four poles (4P)
Pollution Degree
(Cl. 6) Pollution Degree 3
Control Circuits
(Cl. 4.5) Not Applicable
Auxiliary circuits
(Cl. 4.6) Not Applicable
Integral fuses
(Cl. 4.8) Not applicable
Degree of Protection IP20 Protection
Name of the product: Low-Voltage Switchgear and Controlgear Part 2 Circuit-Breakers
Model No. Indoasian (Model: Optipro 80A to 125A),
Rated Voltages
(Cl.4.3.2) Rated operational voltage (Ue) -240V and 415V AC
Rated insulation voltage (Ui)- 500V AC
Rated impulse withstand voltage (Uimp)- 6 kV peak
Rated Currents Conventional free-air thermal current (Ith) -80A to 125A
(Cl. 4.3.3)
Conventional enclosed thermal current (Ithe) Not Applicable
Rated current (In)- 80A to 125A
Current rating for circuit-breakers (Ics, Icu)-
(Icu)- Optipro (10kA at 240Vac, 10kA at 415Vac),
(Ics)- Optipro (10kA at 240Vac, 10kA at 415Vac),
Rated Frequency (Cl. 4.3.4) 50/60 Hz
Rated duty (Cl. 4.3.5) uninterrupted duty- ‘Iu’ 80A to 125A
Selectivity (Cl. 4.4) Category type, A
Interrupting Medium
(Cl. 3.2) Air-break
Method of installation
(Cl. 3.7) Fixed
Method of controlling the operating mechanism (Operation)
(Cl. 3.4) Dependent manual
Design / Construction Type
(Cl. 3.3) Moulded case
Suitability for isolation (Cl. 3.5) Suitable for isolation
Provision for maintenance
(Cl. 3.6) Non-Maintainable.
Type of Releases
(Cl. 4.7) 1) shunt release;- -
2) over-current release: Instantaneous, inverse time delay - dependent on previous load: Yes
3) undervoltage release (for opening);- -
Type of Supply (ac / dc)
(Cl. 4.2) One Phase and Three Phase AC type
Number of Pole
(Cl. 4.2) One pole (1P), Two poles (2P),
Three Poles (3P), Four poles (4P)
Pollution Degree
(Cl. 6) Pollution Degree 3
Control Circuits
(Cl. 4.5) Not Applicable
Auxiliary circuits
(Cl. 4.6) Not Applicable
Integral fuses
(Cl. 4.8) Not applicable
Degree of Protection IP20 Protection
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