ON LOAD CHANGE OVER SWITCH

£0.00

Altech On-load Changeover Switch find a wide application scope where the reliability of electrical supply from the utility is low and are used in lighting/motor circuits where continuity of supply is necessary, for switching to an alternative source from main supply and vice versa.

They are switch disconnectors with independent manual operation capable of making, carrying and breaking currents  under normal circuit conditions such as short circuit for a specified time,

These switches are modular in construction compact in size and suitable for stringent utilization category AC-23A/B.

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Description

                                                                        Onload change over switch Technical Data
S. No. Specification  (IS / IEC 60947- 3) Unit Frame Size 00 Frame Size 1 Frame Size 2 Frame Size 3
1 Rated operational current, I A 63 100 125 160 200 250 320 400 630
2 Conventional free air thermal current, Ith A 63 100 125 160 200 250 320 400 630
3 Rated uninterupted current, Iu A 63 100 125 160 200 250 320 400 60
4 No. of Poles 4 4 4 4 4 4 4 4 4
5 Rated insulation voltage, U Vac 1000 1000 1000 1000 1000 1000 1000 1000 1000
6 Rated operational voltage, Ue Vac 415V 415V 415V 415V 415V 415V 415V 415V 415V
7 Di-electric strength, 50 Hz kV 5 5 5 5 5 5 5 5 5
8 Rated impulse withstand voltage, Uimp kV 8 8 8 8 8 8 8 8 8
9 Utilization Category AC23 A
10 Conventional Enclosed Thermal Current at 40 °C, Ithe A 63 100 125 160 200 250 320 400 630
11 Rated making capacity Amp, 436 Vac 23 A, p.f.- 0.35 A 630 100 1250 1600 2000 2500 3200 4000 6300
12 Rated breaking capacity Amp, 436 Vac 23 A, p.f.- 0.35 A 504 800 1000 1280 1600 2000 2560 3200 5040
13 Rated operational power at 415 V, 3ø kW 36 58 72 92 115 144 184 230 362
14 Rated conditional short circuit current kA rms 80 80 80 80 80 80 80 80 80
15 Max. Allowed cut off current kA peak 17 18 22 27 33 39 55
16 No. of operating cycles AC – 23 A 1000 1000 1000 1000 1000 1000 1000 1000 1000
17 No. of no load operating cycles 10000 10000 10000 10000 10000 10000 8000 8000 8000
18 Temperature withstand range (Ambient) °C ,-5 to 50 ,-5 to 50 ,-5 to 50 ,-5 to 50 ,-5 to 50 ,-5 to 50 ,-5 to 50 ,-5 to 50 ,-5 to 50

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