8 Technical data
BU 0200 GB Subject to technical alterations 231
8.3.1 Electrical data 1~115V
Size 1 Size 2
Device type: SK 2xxE… -250-112-O -370-112-O -550-112-O -750-112-O
230V 0.25 kW 0.37 kW 0.55 kW 0.75 kW Rated motor power
(4-pole standard
motor)
240V 1/3 hp ½ hp ¾ hp 1 hp
Mains voltage
1 AC 110 ... 120V,
± 10%, 47 ... 63Hz
Output voltage 3 AC 0 – 220 ... 240V
Nominal output current
at 230V
rms [A] 1.7 2.2 3.0 4.0
Min. braking resistor
75
Ω 75 Ω 75 Ω 75 Ω
Recommended braking
resistance
Section
2.3.1
100
Ω 100 Ω 100 Ω 100 Ω
Typical input current at
115V
rms [A] 8.9 A 11 A 13.1 A 20.1 A
Rec. mains fuse
slow-
blowing [A]
16 A 16 A 16 A 25 A
Motor-mounted (ventilated)
maximum continuous power / max. continuous current:
S1-50°C
S1-40°C
S1-30°C
0.25kW / 1.6A
0.25kW / 1.7A
0.25kW / 1.7A
0.25kW / 1.6A
0.25kW / 1.8A
0.37kW / 2.0A
0.37kW / 2.6A
0.55kW / 3.0A
0.55kW / 3.0A
0.37kW / 2.6A
0.55kW / 3.0A
0.55kW / 3.4A
Maximum permissible ambient temperature with rated output current
S1
S3
70% switch-on duration 10min
S6
70% switch-on duration 10min
(100% / 20%Mn)
47°C
50°C
50°C
23°C
35°C
30°C
40°C
50°C
45°C
11°C
25°C
20°C
Wall-mounted (unventilated)
maximum continuous power / max. continuous current:
S1-50°C
S1-40°C
S1-30°C
0.25kW / 1.6A
0.25kW / 1.7A
0.25kW / 1.7A
0.25kW / 1.6A
0.37kW / 2.0A
0.37kW / 2.1A
0.55kW / 3.0A
0.55kW / 3.0A
0.55kW / 3.0A
0.55kW / 3.0A
0.55kW / 3.3A
0.55kW / 3.6A
Maximum permissible ambient temperature with rated output current
S1
S3
70% switch-on duration 10min
S6
70% switch-on duration 10min
(100% / 20%Mn)
48°C
50°C
50°C
36°C
40°C
40°C
50°C
50°C
50°C
16°C
30°C
25°C