Page 42 - Changeover switch

42 ABB TRANSFER AND CHANGE-OVER SWITCHES

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Manual change-over switches

Technical data for OT16...125_C

Switch size OT16_ OT25_ OT40_ OT63_ OT80_ OT100_ OT125_
Data according to IEC 60947-3
Rated insulation voltage and rated Pollution V 750 750 750 750 750 750 750
operational voltage AC20/DC20 degree 3
Dielectric strength 50 Hz 1min. kV 6 6 6 6 6 6 6
Rated impulse withstand voltage kV 8 8 8 8 8 8 8
Rated thermal current and rated / ambient 40°C In open air A 25 32 40 63 80 115 125
operational current AC20/DC20 / ambient 40°C In enclosure A 25 32 40 63 80 115 125
/ ambient 60°C In enclosure A 20 25 32 50 63 80 100
..with minimum conductor cross section Cu mm² 4 6 10 16 25 35 50
Rated operational current, AC-21A up to 500 V A 16 25 40 63 80 100 125
690 V A 16 25 40 63 80 100 125
Rated operational current, AC-22A up to 500 V A 16 25 40 63 80 100 125
690 V A 16 25 40 63 80 100 125
Rated operational current, AC-23A up to 415 V A 16 20 23 63 75 80 90
440 V A 16 20 23 63 65 65 78
500 V A 16 20 23 45 58 60 70
690 V A 10 11 12 20 20 40 50
Rated operational current / poles in series, DC-21A up to 48 V 1) A 16/1 25/1 32/1 63/1 80/1 100/1 125/1
110 V A 16/2 25/2 32/2 63/2 80/2 100/2 125/2
220 V A 16/3 25/3 32/3 63/4 63/4 100/4 100/4
500 V A 16/4 16/4 16/4 16/4 16/4 - -
Rated operational current / poles in series, DC-22A up to 48 V 1) A 16/1 25/1 32/1 63/1 80/1 100/1 125/1
110 V A 16/2 25/2 32/2 63/2 80/2 100/2 125/2
220 V A 16/3 25/3 32/4 45/4 45/4 63/4 80/4
440 V A 10/4 10/4 10/4 10/4 10/4
Rated operational current / poles in series, DC-23A up to 48 V 1) A 16/1 25/1 32/1 63/1 80/1 100/1 125/1
110 V A 16/2 25/2 32/2 63/2 80/2 100/2 125/2
220 V A 16/4 25/4 32/4 45/4 45/4 63/4 63/4
440 V A 10/4 10/4 10/4 10/4 10/4
Rated operational power, AC-23A 2) 230 V kW 3 4 5.5 11 22 22 22
The kW-ratings are accurate 400...500 V kW 7.5 9 11 22 37 37 45
for 3-phase 1500 R.P.M. standard
asynchronous motors 690 V kW 7.5 9 11 15 18.5 37 45
Rated breaking capacity in category AC-23 up to 415 V A 128 160 184 360 640 640 720
500 V A 128 160 184 360 464 480 560
690 V A 80 88 96 160 160 320 400
Rated conditional short-circuit current I p (r.m.s.) Ip (r.m.s.) 50 kA, 415 V îc (peak) kA 6.5 6.5 6.5 13 13 16.5 16.5
and corresponding max. allowed cut-off current î c Max. OFA_ fuse size gG/aM A/A 40/32 40/32 40/32 100/80 100/80 125/125 125/125
(peak) value. The cut-off current î c refers to values
listed by fuse manufacturers (single phase test acc. Ip (r.m.s.) 100 kA, 500 V îc (peak) kA - - - 17 17 - -
to IEC60269). Max. OFA_ fuse size gG/aM A - - - 100/80 100/80 - -
Rated short-time withstand current I cw (r.m.s.) 690 V 1s kA 0.5 0.5 0.5 1.5 1.5 2.5 2.5
Rated short-time making capacity 3) I cm (peak) 690 V kA 0.7 0.7 0.7 1.4 2.1 3.6 3.6
Power loss / pole With rated current W 0.3 0.6 1.6 2.8 4.5 4.0 6.3
Mechanical endurance Number of oper. cycles 4) Cycles 10 000 10 000 10 000 10 000 10 000 10 000 10 000
Cable size Cu-wire size suitable mm² 0.75-10 0.75-10 0.75-10 1.5-35 1.5-35 10-70 10-70
for terminal clamps AWG 18-8 18-8 18-8 14-4 14-4 8-00 8-00
Terminal tightening torque Counter torque required Nm 0.8 0.8 0.8 2 2 6 6
Operating torque Typical for 3-pole switches Nm 1 1 1 1.2 1.2 2 2
Weight without accessories 3-pole switch kg 0.25 0.25 0.25 0.64 0.64 0.90 0.90
4-pole switch kg 0.31 0.31 0.31 0.70 0.70 1.18 1.18
Data according to UL508 (Listed)
Current A 16 25 40 60 80 - -
Horsepower, 3-phase 200 V HP 3 7.5 10 15 20 - -
208 V HP 3 7.5 10 15 20 - -
240 V HP 5 7.5 10 15 20 - -
480 V HP 10 15 20 30 40 - -
600 V HP 10 20 25 30 40 - -
1) Below 48 V, two poles in parallel up to OT80 are recommended particularly in polluted atmosphere
2) These values are given for guidance and may vary according to the motor manufacturer
3) Short circuit duration >50ms, without fuse protection
4) Operating cycle: O - I - O - II - O