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SD202/40 2P 40A

The ABB SD202/40 2P 40A is a 2‑pole switch disconnector (also known as a load‑break isolator) designed for three‑phase and single‑phase industrial power distribution and control panel applications. It provides a reliable manual means of isolating electrical circuits and can be used as a safety disconnect or maintenance isolator in low‑voltage systems.

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Key Features 2‑Pole Isolator: Disconnects both line and neutral (or two phases) in a circuit. Rated Current: 40 A, suitable for moderate load currents. Manual Operation: Simple toggle or handle for on/off isolation. Compact DIN‑rail Mounting: Designed for easy installation in standard control panels or distribution boards. Contact Position Indicator: Shows clearly whether the switch is ON or OFF. Modular Design: Compatible with System Pro M Compact series accessories and mounting systems. Electrical Ratings Rated Operational Current: 40 A continuous capacity. Rated Operational Voltage: Up to 440 V AC and 125 V DC typical for low‑voltage power distribution. Operational Frequency: Suitable for 50/60 Hz systems. Rated Impulse Withstand Voltage: Designed for several kilovolts protection against transient voltages. Provides safe isolation for load and control circuits within its voltage and current ratings. Mechanical & Durability Number of Poles: 2 (double‑pole) for full circuit isolation. Electrical Endurance: Built for repeated make/break operations. Mechanical Endurance: Designed for frequent use in control and distribution applications. Manual Actuation: Engaging handle toggles between ON and OFF. Environmental Operating Temperature Range: Suitable for typical industrial ambient temperatures. Storage Temperature Range: Broad range to withstand shipping and storage conditions. Protection Rating: IP20 when installed inside an enclosure, providing safe touch protection at terminals. Physical & Installation Mounting: DIN‑rail TH35 mountable for easy panel integration. Compact Size: Fits standard industrial panel layouts and uses minimal space. Screw Terminals: Secure, reliable connection for solid and stranded wiring. Color / Handle: Typically a colored handle (e.g., red/grey) for visual differentiation in panels. Typical Applications Main isolation switch in control panels and sub‑distribution boards. Safety disconnect for machinery and equipment during maintenance. Power circuit isolation in commercial and industrial electrical systems. Integration with modular distribution systems where compact, reliable switching is required.