ABB
ABB

SU203M-K0,5

Call for Price

Miniature Circuit Breakers MCBs, SU203M Series K-Char, 3 Poles, 0.5 A, 50/60/DC Hz, 4.2 W Power Loss, 480Y / 277 V AC Max. Operating Voltage

Connecting Capacity
Busbar 10 / 10 mm², Flexible with Ferrule 0.75 ... 25 mm², Flexible 0.75 ... 25 mm², Rigid 0.75 ... 35 mm², Stranded 0.75 ... 35 mm²
Ambient Air Temperature
Operation -25 ... +55 °C, Storage -40 ... +70 °C
Screw Terminal Type
Failsafe Bi-directional Cylinder-lift Terminal
RoHS Status
Following EU Directive 2002/95/EC August 18, 2005 and amendment
Resistance to Vibrations acc. to IEC 60068-2-6
5g, 20 cycles at 5 ... 150 ... 5 Hz with load 0.8 In
Resistance to Shock acc. to IEC 60068-2-27
25g / 2 shocks / 13 ms
Rated Ultimate Short-Circuit Breaking Capacity (Icu)
(400 V AC) 15 kA
Rated Service Short-Circuit Breaking Capacity (Ics)
(400 V AC) 11.2 kA
Rated Operational Voltage
acc. to IEC 60947-2 400 V AC
Rated Insulation Voltage (Ui)
acc. to IEC/EN 60664-1 440 V
Rated Impulse Withstand Voltage (Uimp)
4 kV, (6.2 kV @ sea level), (5.0 kV @ 2000 m)
Rated Frequency (F)
50 Hz, 60 Hz, DC Hz
Rated Current (In)
0.5 A
Power Loss
4.2 W at Rated Operating Conditions per Pole 1.4 W
Net Width
52.5 mm
Net Weight
0.375 kg
Net Height
111 mm
Net Depth / Length
69 mm
Mounting on DIN Rail
TH35-7.5 (35 x 7.5 mm Mounting Rail) acc. to IEC 60715, TH35-15 (35 x 15 mm Mounting Rail) acc. to IEC 60715
Minimum Order Quantity
1 piece
Mechanical Endurance (Nendu)
20000 cycle
Maximum Operating Voltage UL/CSA
480Y / 277 V AC
Housing Material
Insulation Group I, RAL 7035
Environmental Conditions
28 cycles with 55 °C / 90-96 % and 25 °C / 95-100 %
Electrical Endurance
20000 AC cycle
Dielectric Test Voltage
50 / 60 Hz, 1 min: 2 kV
Degree of Protection
IP20
Contact Position Indication
Red ON / Green OFF
Connecting Capacity UL/CSA
Busbar 18-8 AWG, Conductor 18-4 AWG

No Datasheet Available

Serving our customers for 19 Years

Key Electronics is proud to be celebrating its 19 year anniversary. We give thanks to all our customers, employees, and suppliers, for their support throughout these years, and through our continued commitment, which our company was built on.