Page 44 - Changeover switch

44 ABB TRANSFER AND CHANGE-OVER SWITCHES

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Manual change-over switches

Technical data for OT1000...3200_C

Switch size OT_1000_ OT_1250_ OT_1600_ OT_2000_ OT_2500_ OT_3200_
Data according to IEC 60947-3
Rated insulation voltage and Pollution V 1 000 1 000 1 000 1 000 1 000 1 000
rated operational voltage AC20/DC20 degree 3
Dielectric strength 50 Hz 1min. kV 10 10 10 10 10 10
Rated impulse withstand voltage kV 12 12 12 12 12 12
Rated thermal current and / ambient 40°C In open air A 1 000 1 250 1 600 2 000 2 500 3 200
rated operational current AC20/DC20 / ambient 40°C In enclosure A - - - - - -
..with minimum conductor cross section Cu mm² 2x300 2x400 2x500 3x500 4x500 4x1000
Rated operational current, AC-21A up to 500 V A 1 000 1 250 1 600 2 000 5) 2 500 5) 3 200 5)
690 V A 1 000 1 250 1 600 - - -
Rated operational current, AC-22A up to 500 V A 1 000 1 250 1 600 - - -
690 V A 1 000 1 250 1 600 - - -
up to 500 V A 1 000 1 250 1 250 - - -
690 V A 1 000 1 250 1 250 - - -
Rated operational power, AC-23A 1) 230 V kW 315 400 400 - - -
415 V kW 560 710 710 - - -
500 V kW 710 900 900 - - -
690 V kW 1 000 1 200 1 200 - - -
up to 500 V A 10 000 10 000 10 000 - - -
690 V A 10 000 10 000 10 000 - - -
Rated conditional short-circuit current I p (r.m.s.) 80 kA, 415 V î c (peak) kA 100 100 100 - - -
I p (r.m.s.) and cut-off current î c (peak) Max. OFA_ fuse size gG/aM A/A 1 250/1 250 1 250/1 250 1 250/1 250 - - -
value. The cut-off current î c refers to I p (r.m.s.) 100 kA, 500 V î c (peak) kA 106 106 106 - - -
values listed by fuse manufacturers
(single phase test acc. to IEC60269). Max. OFA_ fuse size gG/aM A 1 250/1 250 1 250/1 250 1 250/1 250 - - -
Rated short-time withstand current I cw (r.m.s.) 690 V 0.15s kA 50 50 50 50 50 -
690 V 0.25s kA 50 50 50 50 50 -
690 V 1s kA 50 50 50 55 55 65
Rated short-time making capacity 2) I cm (peak) 3) 690 V kA 92 92 92 110 110 143
Power loss / pole With rated current W 19 29 48 55 85 95
Mechanical endurance Number of oper. cycles 4) Cycles 3 000 3 000 3 000 2 000 2 000 2 000
Terminal bolt size Metric thread diameter x length mm M12x60 M12x60 M12x60 M12x60 M12x60 M12x100
Terminal tightening torque Counter torque required Nm 50-75 50-75 50-75 50-75 50-75 50-75
Operating torque 3-pole change-over switches Nm 78 78 78 78 78 80
Weight without accessories Manual change-over 3-poles kg 32.3 32.3 34.8 48 48 57
switches 4-poles kg 40.2 40.2 43.3 60 60 72
Data according to IEC 60947-6-1
Class of equipment PC PC PC PC PC -
Rated short-time withstand current I cw (r.m.s.) 690 V 0.1s kA 50 50 50 50 50 -
Rated operational current, AC-31B up to 415 V A 1 000 1 250 1 600 2 000 2 000 -
Rated operational current, AC-33B up to 415 V A 1 000 1 000 1 000 - - -
1) These values are given for guidance and may vary acc. to the motor manufacturer
2) Short circuit duration > 50ms, without fuse protection
3) Max. distance from switch frame to nearest busbar / cable support 150 mm
4) Operating cycle: O - I - O - II - O
5) Category AC-21B, up to 415V
1000 V ratings on request