Brand Name :
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Type/Size/Grade/Variety :
Name of the product: Low-Voltage Switchgear and Controlgear Part 2 Circuit-Breakers
Group I
Model. No.(s): 3VA10
Rated Voltages:
Rated operational voltage (Ue): 240/415/440/500/690 V
Rated insulation voltage (Ui) : 800 V
Rated impulse withstand voltage (Uimp): 8 kV
Rated Currents:
Conventional free-air thermal current (Ith) : 16A, 20A, 25A, 32A, 40A, 50A, 63A, 80A, 100A
Conventional enclosed thermal current (Ithe): NA.
Rated current (In): 16 A, 20 A, 25 A, 32 A, 40 A, 50 A, 63 A, 80A, 100 A.
Short-Circuit Current rating for circuit-breakers (Ics, Icu):
Icu: 240V – i) 25kA, ii) 36kA, iii) 55 kA; 415V – i) 16kA, ii) 25kA, iii) 36kA
440V – i) 8kA, ii) 16kA, iii) 25kA; 500/690V – i) 5kA ii) 5kA, iii) 7kA for Class B, N & S
Ics: 240V – i) 25kA, ii) 36kA, iii) 55 kA; 415V – i) 16kA, ii) 25kA, iii) 36kA
440V – i) 8kA, ii) 16kA, iii) 25kA; 500/690V – i) 5kA ii) 5kA, iii) 5kA for Class B, N & S
Rated Frequency: 50/60 Hz.
Rated duty: uninterrupted duty.
Selectivity: Category type A.
Interrupting Medium: Air-break.
Method of installation: Fixed, Plug-in
Method of controlling the operating mechanism (Operation): Independent manual and Independent power.
Design / Construction Type: Moulded case.
Suitability for isolation: Suitable for isolation.
Provision for maintenance: Non-maintainable.
Type of Releases:
1) shunt release ,
2) over-current release: (Thermo-magnetic) instantaneous, inverse time delay, dependent on previous load.
3) Undervoltage release
Type of Supply (ac / dc): Three Phase AC.
Number of Pole: Three Pole, Four Pole.
Pollution Degree: Pollution Degree 3.
Control Circuits: AC/DC 24 V – 60 V; AC 110 V - 230 V; DC 110 V – 250 V
Auxiliary circuits: Auxiliary Switch, Alarm Switch
Integral fuses: Without integrally fused circuit-breakers.
Degree of Protection: Without Accessory cover: IP20 (except infeed/load ends), With Accessory cover: IP40 (front-side, except infeed/load ends), IP20 (termination area, except infeed/load ends), Optional Accessory: Terminal cover: IP40 (front-side), IP40 (termination area, IP30 (infeed/load ends when properly installed), Front Mounted Rotary Operator: IP30, Door Coupling Handle: IP65
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