Typical Parameters (General S204‑M Series)
Electrical Ratings
Rated Current (In): Various (e.g., 2 A, 6 A, 10 A, 16 A, 20 A, 32 A, etc.) depending on model
Number of Poles: 4
Tripping Characteristic: Type C (moderate inrush tolerance)
Rated Operational Voltage: 400 V AC
Rated Insulation Voltage (Ui): 440 V AC
Rated Impulse Withstand Voltage (Uimp): 4 kV
Breaking Capacity (Icu): typically around 6–10 kA @ 230/400 V AC (model dependent)
Service Breaking Capacity (Ics): ‑ (varies with exact product/spec sheet)
Mechanical & Installation
Mounting: DIN‑rail (TH35)
Terminal Type: Screw terminals
Actuator: Toggle handle
Width: ~70 mm (4 modules)
Height: ~85–88 mm
Depth: ~69 mm
Environmental & Protection
Operating Temperature: -25 °C to +55 °C
Storage Temperature: -40 °C to +70 °C
Protection Degree: IP20
Pollution Degree: 3
Standards & Compliance
IEC/EN 60898‑1
IEC/EN 60947‑2
Often UL or other regional approvals where applicable
The ABB S204‑M miniature circuit breaker is a 4‑pole thermal‑magnetic circuit protection device designed for low‑voltage electrical installations. It belongs to ABB’s System pro M compact S200M series of compact MCBs, engineered to protect electrical circuits from overload and short‑circuit faults. These breakers feature current limiting performance, combining a thermal element for overload protection and a magnetic element for short‑circuit protection. They comply with major international safety standards and suit residential, commercial, and industrial applications