Official DistributorBy ABB
SKU
MPN
2CDS273337R0204
Weight
0.375 kg
SU203M-C20 Miniature Circuit Breaker C-Char., 10kA, 20A, 3P UL489
Technical Specifications
Technical
| Standards | CSA 22.2 No. 5 |
| Standards | IEC/EN 60947-2 |
| Standards | UL 489 |
| Tripping characteristic | C |
| Rated Operational Voltage | acc. to IEC 60898-1 400 V AC |
| Rated Operational Voltage | acc. to IEC 60898-1 400 V |
| 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 |
| Rated Impulse Withstand Voltage (Uimp) | at 2000 m 5 kV |
| Rated Impulse Withstand Voltage (Uimp) | at Sea Level 6.2 kV |
| Input Voltage Type | AC/DC |
| Rated Current (In) | 20 A |
| Rated Short-Circuit Capacity | (400 V AC) 11.2 kA |
| Rated Ultimate Short-Circuit Breaking Capacity (Icu) | (400 V AC) 15 kA |
| Rated Ultimate Short-Circuit Breaking Capacity (Icu) | (400 V) 15 kA |
| Rated Conditional Short-Circuit Current (Inc) | (400 V) 15 kA |
| Rated Service Short-Circuit Breaking Capacity (Ics) | (400 V AC) 11.2 kA |
| Rated Frequency (f) | 50 / 60 Hz |
| Rated Frequency (f) | DC |
| Power Loss | 7.5 W |
| Power Loss | at Rated Operating Conditions per Pole 2.5 W |
| Power supply connection | Arbitrary |
| Contact Position Indication | Red ON / Green OFF |
| Energy Limiting Class | 3 |
| Mechanical Endurance | 20000 cycle |
| Number of Protected Poles | 3 |
| Number of Poles | 3 |
| Overvoltage category | III |
| Tightening torque | 2.8 N·m |
| Screw Terminal Type | Failsafe Bi-directional Cylinder-lift Terminal |
| Actuator Marking | I / O |
| Actuator Material | Insulation Group II, Black, Sealable |
| Housing Material | Insulation Group I, RAL 7035 |
| Mounting on DIN Rail | TH35-15 (35 x 15 mm Mounting Rail) acc. to IEC 60715 |
| Mounting on DIN Rail | TH35-7.5 (35 x 7.5 mm Mounting Rail) acc. to IEC 60715 |
| Mounting Position | any |
| Recommended Screw Driver | Pozidriv 2 |
| Accessories Available | Yes |
| Connecting Capacity | Busbar 10 / 10 mm² |
| Connecting Capacity | Flexible with Ferrule 0.75 ... 25 mm² |
| Connecting Capacity | Flexible 0.75 ... 25 mm² |
| Connecting Capacity | Flexible 0.75 ... 25 mm² |
| Connecting Capacity | Rigid 0.75 ... 35 mm² |
| Connecting Capacity | Stranded 0.75 ... 35 mm² |
| Installation Size | acc. to DIN 43880 3 |
| Terminal Type | Double Clamp |
Technical UL/CSA
| Maximum Operating Voltage UL/CSA | 480Y / 277 V AC |
| Interrupting Rating acc. to UL489 | (240 V AC) 10 kA |
| Interrupting Rating acc. to UL489 | (480Y / 277 V AC) 10 kA |
| Connecting Capacity UL/CSA | Busbar 18-8 AWG |
| Connecting Capacity UL/CSA | Conductor 18-4 AWG |
Dimensions
| Width in Number of Modular Spacings | 3 |
| Product Net Width | 52.5 mm |
| Product Net Height | 111 mm |
| Product Net Depth / Length | 69 mm |
| Product Net Weight | 0.375 kg |
| Pole Net Weight | 0.125 kg |
| Built-In Depth (t2) | 69 mm |
| Dimension Diagram | 9AKK108464A0610 |
Installation
| Instructions and Manuals | 2CDC002177D0202 |
Why Proax for ABB SU203M-C20?
Proax is an authorized distributor of ABB SU203M-C20 and one of ABB's largest distributors in North America. Our highly skilled in-house technical team is ready to assist with any technical needs.
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Additional Information
| Alternate Names | SU203MC20 |
| Pack Size | 1 |
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