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Home > Electrical
Equipment > Low-voltage equipment
Automatic circuit
breakers for DIN-cleat IEK VA4729 
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IEK VA4729 are designed to protect power and lighting distribution
mains from overloaded and short-circuit currents. In addition, they can be used
to protect the supply lines of electric motors and other equipment.
| SPECIFICATIONS | IEK
VA4729 | | Rated
current (A) | 1,2,3,4,5,6,10,16,20,25,32,40,50,63 |
| Rated operating voltage
(V) | 230/400 |
| Rated frequency | 50
Hz | | Electric wear
resistance, not less than | 4000 switching
operations | | Mechanical
wear resistance, not less than | 10,000 switching
operations | | Number
of poles | 1,2,3,4 |
| Switching capacity (A) | 4500 |
| Protection rate | IP20
| | Weight (g) | 96 |
| Operating temperature range,
°C | -5 ÷ +40 °C |
| Maximum section of wire connected to the terminals
(mm2) | 25 |
| Thermal release device specifications |
under I=1.13 Inom t greater than or equal to 1h - without release device;
under I=1.45 Inom t<1h - release;
under I=2.55 Inom 1s < t < 60s
(under In=32A);
1s < t < 120s (under In > 32A) - release |
| Cutoff characteristic according
to GOST R 50345-92 | B,C,D |
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