Page 45 - Changeover switch

ABB TRANSFER AND CHANGE-OVER SWITCHES 45

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Manual change-over switches

Technical data for UL/CSA switches OT30...100_C, OT200...800U_C

Switch size OT30_ OT60_ OT100_ OT200U_ OT400U_ OT600U_ OT800U_
Data according to UL and CSA
Standards UL98 UL98 UL98 UL98 UL98 UL98 UL98
CSA 22.2#4 CSA 22.2#4 CSA 22.2#4 CSA 22.2#4 CSA 22.2#4 CSA 22.2#4 CSA 22.2#4 02
General use ratings, 1- or 3-phase ratings V A 600 600 600 600 600 600 600
30 60 100 200 400 600 800
Horsepower, 3-phase ratings 240V HP 10 20 30 75 125 200 250
480V HP 20 40 50 150 250 450 500
600V HP 30 40 50 200 350 500 500
Short-circuit ratings Required protection Circuit kA - - - 14 25 35 42
breaker
Class J/L fuse kA 50 / - 50 / - 50 / - 65/100 100 100 100
…fuse size A 60 150 150 400/200 600 800 800
Class RK5 kA - - - - - 100 -
fuse
…fuse size A - - - - - 600 -
Data according to IEC 60947-3
Rated insulation voltage and rated Pollution degree 3 V 750 750 750 1 000 1 000 1 000 1 000
operational voltage AC20/DC20
Dielectric strength 50 Hz 1min. kV 6 6 6 10 10 10 10
Rated impulse withstand voltage kV 8 8 8 12 12 12 12
Rated thermal current and rated / ambient 40°C In open air A 40 63 100 250 400 800 1600
operational current AC20/DC20 Cu AWG/ 14 - 4 14 - 4 8 - 1/0 120 240 2x240 2x500
..with minimum conductor cross mm²
section
Rated operational current, AC-21A up to 690 V A 40 63 100 250 400 800 1 600
Rated operational current, AC-22A up to 500 V A 40 63 100 250 400 800 1 600
690 V A 40 63 100 250 400 800 1 600
Rated operational current, AC-23A up to 500 V A 40 63 60 250 400 800 1 250
690 V A 40 40 40 250 400 800 1 250
Rated conditional short-circuit I p (r.m.s.) : 100 kA, 500 V îc (peak) kA - - - 40.5 61.5 90 106
current I p (r.m.s.) and Max. OFA_ fuse size gG/aM A - - - 315/315 500/450 800/800 1 250/1 250
corresponding max. allowed
cut-off current î c peak value 1) I p (r.m.s.) : 80 kA, 690 V îc (peak) kA - - - 40.5 59 83.5 -
Max. OFA_ fuse size gG/aM A - - - 355/315 500/500 800/1 000 -
Rated short-time withstand current Icw (r.m.s.) 690V, 1s kA 2.5 2.5 2.5 8 15 20 50
Rated short-circuit making capacity I cm (peak) 690V kA 3.6 3.6 3.6 30 65 80 92
Mechanical endurance Number of operating cycles 2) Cycles 6000 6000 6000 8 000 8 000 5 000 3 000
Terminal bolt size Metric thread diameter x length mm - - - M8x25 M10x30 M12x40 M12x60
Terminal tightening torque Counter torque required Nm - - - 15...22 30...44 50...75 50...75
Operating torque 3-pole switches Nm 2 2 2 7 16 27 78
Weight without accessories 3-pole switch kg 0.90 0.90 0.90 2.8 5.0 13.1 34.8
4-pole switch kg 1.18 1.18 1.18 3.5 6.1 15.9 43.3
Data according to IEC 60947-6-1
Class of equipment - - - PC PC PC PC
Rated short-time withstand current Icw (r.m.s.) 690 V 0.1s kA - - - 15 25 38 50
Rated operational current, AC-31B up to 415 V A - - - 250 400 800 1 600
Rated operational current, AC-33B up to 415 V A - - - 250 400 800 1 000
1) The fuse in single-phase test according to IEC 60269
2) Operating cycle: O - I - O - II - O