Page 43 - Changeover switch

ABB TRANSFER AND CHANGE-OVER SWITCHES 43

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Manual change-over switches

Technical data for OT160...800_C

Switch size OT_160_ OT_200_ OT_250_ OT_315_ OT_400_ OT_630_ OT_800_
Data according to IEC 60947-3
Rated insulation voltage and Pollution V 1 000 1 000 1 000 1 000 1 000 1 000 1 000
rated operational voltage AC20/DC20 degree 3 02
Dielectric strength 50 Hz 1min. kV 10 10 10 10 10 10 10
Rated impulse withstand voltage kV 12 12 12 12 12 12 12
Rated thermal current and / ambient 40°C In open air A 160 200 250 315 400 630 800
rated operational current AC20/DC20 / ambient 40°C In enclosure A 160 200 250 315 400 630 800
..with minimum conductor cross section
Cu mm² 70 95 120 185 240 2x185 2x240
Rated operational current, AC-21A up to 500 V A 160 200 250 315 400 630 800
690 V A 160 200 250 315 400 630 800
Rated operational current, AC-22A up to 500 V A 160 200 250 315 400 630 800
690 V A 160 200 250 315 400 630 800
Rated operational current, AC-23A up to 500 V A 160 200 250 315 400 630 800
690 V A 160 200 250 315 400 630 800
Rated operational current / poles in series, DC-21A 6) ≤ 110 V A 160/2 200/2 250/2 315/1 1) 400/1 1) 630/1 800/1
220 V A 160/2 200/2 250/2 315/2 1) 400/2 1) 630/1 800/1
440 V A 160/3 200/3 230/3 315/3 360/3 630/2 720/2
660 V A 160/4 200/4 200/4 315/4 315/4 630/4 1) 630/4 1)
Rated operational power, AC-23A 2) 230 V kW 45 60 75 100 132 200 250
The kW-ratings are accurate 400 V kW 90 110 140 160 220 355 450
for 3-phase 1500 R.P.M. standard 415 V kW 90 110 145 180 230 355 450
asychronous motors
500 V kW 110 132 170 220 280 400 560
690 V kW 160 200 250 315 400 630 800
Rated breaking capacity up to 500 V A 1 280 1 600 2 000 2 520 3 200 5 040 6 400
in category AC-23 690 V A 1 280 1 600 2 000 2 520 3 200 5 040 6 400
Rated conditional short-circuit current Ip (r.m.s.) 80 kA, 415 V îc (peak) kA 40.5 40.5 40.5 59 59 83.5 83.5
I p (r.m.s.) and cut-off current î c (peak) Max. OFA_ fuse size gG/aM A/A 355/315 355/315 355/315 500/500 500/500 800/1000 800/1000
value. The cut-off current î c refers to Ip (r.m.s.) 100 kA, 500 V îc (peak) kA 40.5 40.5 40.5 61.5 61.5 90 90
values listed by fuse manufacturers
(single phase test acc. to IEC60269). Max. OFA_ fuse size gG/aM A 315/315 315/315 315/315 500/450 500/450 800/800 800/800
Ip (r.m.s.) 80 kA, 690 V îc (peak) kA 40.5 40.5 40.5 59 59 83.5 83.5
Max. OFA_ fuse size gG/aM A 355/315 355/315 355/315 500/500 500/500 800/1000 800/1000
Rated short-time withstand current I cw (r.m.s.) 690 V 0.15s kA 15 15 15 31 31 38 38
690 V 0.25s kA 15 15 15 24 24 36 36
690 V 1s kA 8 8 8 15 15 20 20
Rated short-time making capacity 3) I cm (peak) 4) 690 V kA 30 30 30 65 65 80 80
Power loss / pole With rated current W 3.2 4 6.5 6.5 10 25 40
Mechanical endurance Number of oper. cycles 5) Cycles 8 000 8 000 8 000 8 000 8 000 5 000 5 000
Terminal bolt size Metric thread mm M8x25 M8x25 M8x25 M10x30 M10x30 M12x40 M12x40
diameter x length
Terminal tightening torque Counter torque required Nm 15-22 15-22 15-22 30-44 30-44 50-75 50-75
Operating torque 3-pole change-over Nm 7 7 7 16 16 27 27
switches
Weight without accessories Manual change-over 3-poles kg 2.5 2.5 2.5 4.7 4.7 12.8 12.8
switches
4-poles kg 3.2 3.2 3.2 5.8 5.8 15.6 15.6
Data according to IEC 60947-6-1
Class of equipment PC PC PC PC PC PC PC
Rated short-time withstand current I cw (r.m.s.) 690 V 0.1s kA 15 15 15 25 25 38 38
Rated operational current, AC-31B up to 415 V A 160 200 250 315 400 630 800
Rated operational current, AC-33B up to 415 V A 160 200 250 315 400 630 800
1) Utilization category B
2) These values are given for guidance and may vary acc. to the motor manufacturer
3) Short circuit duration > 50ms, without fuse protection
4) Max. distance from switch frame to nearest busbar / cable support 150 mm
5) Operating cycle: O - I - O - II - O
6) Further ratings on request
1000 V ratings on request