Siemens SENTRON Miniature Circuit Breaker 1-Pole 40A Type C 400V AC 60V DC 10 kA Breaking Capacity 5SY4140-7

Siemens 5SY4140-7 SENTRON Miniature Circuit Breaker is a high-quality 1-pole 40A Type C circuit breaker designed for efficient and reliable protection of electrical circuits. Its rated voltage is 400V AC and 60V DC, making it suitable for a wide range of AC and DC applications in industrial, commercial, and residential environments.

The breaker features a 10 kA breaking capacity that enables it to safely interrupt high fault currents, minimizing risk to electrical systems and users. It is designed with a compact form factor (dimensions: 90mm height, 76mm width, 90mm depth) and mounts easily on DIN rails, simplifying assembly and maintenance.

Equipped with screw terminals and a toggle switch actuator, the device facilitates secure wiring connections and user-friendly manual operation. Its IP20 rating provides basic protection against solid foreign objects, while compliance with international IEC/EN and UL standards ensures trusted performance.

Siemens SENTRON 5SY4 Series breakers offer automatic cut-out features and can be combined with various supplementary accessories such as control current switches and fault signal contacts for enhanced protection functionality.

Typical industrial uses include circuit and equipment protection in manufacturing plants, residential buildings, commercial facilities, and functional construction sectors. It is specifically suited for applications requiring precise tripping characteristics - Type C curve provides tripping at 5 to 10 times the rated current, ideal for circuits with moderate inrush currents like lighting and small motor loads.

Rated current: 40 A with Type C tripping characteristic. Voltage ratings: 400V AC and 60V DC. Breaking capacity: 10 kA. Mounting method: DIN rail assembly for fast and secure installation. Screw terminal connections for reliable wiring.

Operating temperature and environmental protections supported by IEC/EN standards. Toggle switch for easy manual reset and operation. Product manufactured in Germany assuring product quality and durability.

Package includes one Siemens SENTRON 5SY4 Miniature Circuit Breaker, model 5SY4140-7. This product supports safe electrical installations and is an optimal choice for electrical protection needs in various critical industrial and commercial sectors.

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