ABB Switch-disconnectors Technical Data
Switch-disconnectors
Technical data
Technical data according to IEC 60947 for OT switch-disconnectors
Switch size A OT16 OT25 OT40 OT160 OT200 OT250 OT315 OT400 OT630
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Rated insulation voltage Pollution degree 2 V 800 800 800 1 000 1 000 1 000 1 000 1 000 1 000
Pollution degree 3 V 750 750 750 800 1 000 1 000 1 000 1 000 1 000
Dielectric strength 50 Hz 1min. kV 6 6 6 10
Rated impulse withstand voltage kV 8 8 8 12
Rated thermal current, DC-20
3)
In open air, normal conditions
4)
A 25 32 40 200 200 250 315 400 630
In enclosure 40°C A 25 32 40 160 200 250 315 400 630
In enclosure 60°C A 20 25 32 125 180 200 280 320 500
...with minimum cable or bar cross section Cu mm² 4 6 10 70 95 120 185 240 2x185
Rated operational current / poles in series 550 V A 16/6 A)25/6 A)32/6 A)160/4 A)200/4 A)250/4 315/4 400/4 600/4
DC-21B 750 V A 16/8 A)25/8 A)32/8 A)160/4 A)200/5 250/5 315/5 400/5 600/5
800 V A 16/8 1)16/8 1)16/8
1000 V A 200/6 250/6 315/6 400/6 600/6
Rated short-time
withstand current, 1000 V, 1 s R.M.S. -value I
cw
kA 0.5
2)
0.5
2)
0.5
2)
Power loss / pole At rated current W 0.3 0.6 1.6 6.5 4 6.5 6.5 10 25
Mechanical endurance Divide by two for operation cycles Operations 20 000 20 000 20 000 20 000 20 000 20 000 16 000 16 000 10 000
1)
10 10 10 10 10
1)
12 12 12 12 12
1)
200/5 250/5 315/5 400/5 600/5
2)
4
8 8 15 15 20
A)
Category A
1)
Pollution Degree 2
2)
At 690 V.
3)
Thermal current ratings of OT16…160 apply up to 4-pole versions.
4)
Normal conditions dened in IEC 60947-1-6.1
Technical data according to IEC 60947 for OTP enclosed switch-disconnectors
Switch size A OTP16 OTP32
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Rated insulation voltage Pollution degree 2 V 800 800
Pollution degree 3 V 750 750
Dielectric strength 50 Hz 1min. kV 6 6
Rated impulse withstand voltage kV 8 8
Rated thermal current and rated operational current
AC-20 & DC-20 In enclosure 40°C A 25 32
In enclosure 60°C A 20 32
Rated operational current / poles in series 220 V A 16 / 3 32 / 3
DC-21A 550 V A 16 / 6 32 / 6
750 V A 16 / 8 32 / 8
800 V A 16 / 8
Rated short-time withstand current, 690 V, 1 s R.M.S. -value I
cw
kA 0.5 0.5
Power loss / pole At rated current W 0.3 0.6
Mechanical endurance Divide by two for operation cycles Operations 20 000 20 000
1)
Category B, Pollution Degree 2
1)
6
1SCC301009K0201
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