ABB S200-ACN 490176050

Product Introduction:

The ABB S200-ACN is part of the S200 family of DIN-rail mount miniature circuit breakers. “ACN” typically denotes the S200 series configured for AC network protection (commonly S201/S202/S203-C or -B characteristic). The order code 490176050 maps to a specific pole/current/trip combination in ABB’s Chinese/Asian catalog (S200-ACN line).

Category: ABB

Description

Typical Specifications (S200 Series):

Poles: 1 / 2 / 3 / 4 Pole available (most common ACN variants are 1P or 2P)
Rated Current (In): 0.5 A – 63 A (exact depends on sub-suffix; common: 6 A, 10 A, 16 A, 20 A, 32 A)
Tripping Characteristic: B (3–5×In — residential/light commercial) or C (5–10×In — general industrial)
Rated Voltage: 230/400 V AC (1P: 230 V AC; 2P/3P/4P: 400 V AC); 48–125 V DC (depending on poles)
Breaking Capacity (Icn): 6 kA (standard S200); also available 10 kA
Rated Insulation Voltage (Ui): 440 V
Impulse Withstand (Uimp): 4 kV
Mechanical Endurance: >20,000 operations
Electrical Endurance: >10,000 operations
Mounting: 35 mm DIN rail (EN 60715)
Terminals: Cage clamp, accepts 1–25 mm² (solid) / 1–16 mm² (stranded)
Standards: IEC/EN 60898-1, IEC/EN 60947-2; some variants UL 1077 recognized
Housing Material: Self-extinguishing thermoplastic (Halogen-free options), RAL 7035 (light grey)

Features:

Current-limiting design
Finger-safe IP20 terminals (IP40 when enclosed)
Compatible with S200-series auxiliary contacts, shunt trips, and alarm contacts
Trip-free mechanism (cannot be held closed against fault current)

Applications:

Final circuit protection for lighting, socket outlets, HVAC, control panel branch circuits
Motor control circuit protection (Type K or D characteristic recommended for motors)

Installation Notes:

Tighten terminal screws to specified torque (typically 2.5–3.0 Nm)
Ensure upstream selectivity (discrimination) with main breaker
Do not exceed rated breaking capacity

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