ABB S203 C16 Miniature Circuit Breaker
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Miniature Circuit Breaker
ABB S203C16 3-pole MCB with 16 A rating, 400 V AC operation, and 10 kA breaking capacity. Compact DIN-rail design for reliable circuit protection in industrial and commercial systems.
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ABB S203C16 Miniature Circuit Breaker (MCB)
The ABB S203C16 is a reliable 3-pole miniature circuit breaker designed to protect electrical circuits from overloads and short circuits in residential, commercial, and industrial installations. Engineered for consistent performance, it offers high breaking capacity, robust safety features, and a compact DIN-rail mountable design.
Manufacturer: ABB
Type: Miniature Circuit Breaker (MCB)
Model: S203C16
Ref. Code: GB10963
ID No.: 2CD S253 001 R0164
EAN No.: 4016779468008
| Rated Operational Voltage | 400 V AC |
| Rated Current (In) | 16 A |
| Rated Insulation Voltage (Ui) | 440 V |
| Rated Impulse Withstand Voltage (Uimp) | 4 kV |
| Dielectric Test Voltage | 50/60 Hz, 1 min: 2 kV |
| Rated Short-Circuit Capacity | 6 kA |
| Rated Ultimate Short-Circuit Breaking Capacity (Icu) | (400 V AC) 10 kA |
| Rated Service Short-Circuit Breaking Capacity (Ics) | (400 V AC) 7.5 kA |
| Rated Frequency | 50 / 60 Hz |
| Power Loss | 7.5 W |
| Number of Poles | 3 |
| Tightening Torque | 18 in·lb |
| Mounting Type | DIN-Rail |
| Wire Stripping Length | 12.5 mm |
| Terminal Type | Screw Terminals |
| Screw Terminal Type | Failsafe Bi-directional Cylinder-lift Terminal |
| Pollution Degree | 3 |
| Operation Temperature | -25 to +55 °C |
| Dimensions | 88 × 69 × 52.5 mm |
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