The ABB OTM40F4C12T380C is a 4‑pole automatic transfer switch (ATS) / motorized change‑over switch designed to automatically transfer electrical loads between two independent three‑phase AC power sources — for example, between the utility mains and a backup generator — with minimal interruption. It is part of ABB’s Compact Automatic Transfer Switches (OTM_C_D) family, which provides reliable and safe switching for critical power continuity applications in industrial and commercial electrical distribution systems. These switches offer both automatic (motorized) operation and manual operation via a direct handle in emergencies.

The ABB OTM32F4C12T380C is a 4‑pole automatic transfer switch (ATS) / motorized change‑over switch engineered to transfer electrical loads between two independent three‑phase AC power sources (such as utility mains and a backup generator). It belongs to ABB’s family of motorized change‑over switches, which are designed to provide reliable and safe power source switching with both automatic (motorized) and manual operation. These switches incorporate safety interlocks and robust construction to prevent simultaneous connection of both power sources and to ensure continuity of power in industrial and commercial installations. ABB’s motorized change‑over switches are compact, easy to install, and conform to relevant IEC standards for transfer and change‑over applications.

The ABB OTM40E4C3D220C is a 4‑pole motorized change‑over and transfer switch designed to transfer electrical loads between two independent AC power sources (such as utility mains and a backup generator) in three‑phase electrical systems. It is part of ABB’s OTM_C series of motorized change‑over switches, which are engineered to provide reliable and safe switching with both automatic (via motor operator) and manual operation modes. The switch includes mechanical interlocks to ensure the two power sources remain isolated and cannot be connected to each other simultaneously. This makes it suitable for industrial, commercial, and critical power applications where continuity of supply is required.

The ABB OTM63F4C20D380C is a 4‑pole compact automatic transfer switch (ATS) / motorized change‑over switch designed to automatically transfer electrical loads between two independent AC power sources (such as utility mains and a backup generator) in three‑phase systems. It belongs to ABB’s OTM_C20D series, which offers reliable automatic change‑over functionality in industrial, commercial, and critical power applications. The switch supports both automatic operation and manual override and includes mechanical interlocks for safe source isolation, helping ensure continuity of power and protection against simultaneous source connection

The ABB OTM160E4C10D380C is a 4‑pole motorized automatic transfer switch (ATS) / change‑over switch used to automatically transfer electrical loads between two independent AC power sources (such as utility mains and backup generator) in industrial and commercial electrical distribution systems. It’s part of ABB’s OTM series of motorized change‑over switches featuring motorized remote operation as well as manual override, with built‑in safety mechanisms to prevent simultaneous connection of both power sources. These switches are suitable for applications that require reliable power continuity and safe switching in three‑phase networks

The ABB OTM250E4C11D380C is a 4‑pole automatic transfer switch (ATS) / motorized change‑over switch designed to automatically and reliably transfer electrical loads between two independent AC power sources (e.g., utility mains and a backup generator) in three‑phase low‑voltage power distribution systems. It is part of ABB’s OTM_C_D family of motorized change‑over switches, which provide safe, coordinated transfer operations with motorized automatic control and manual override capability. The switch incorporates mechanical interlocking and isolation to prevent both sources from being connected at the same time, improving safety and continuity of service in industrial, commercial, and critical power applications. Motor operation enables integration with external ATS controllers for fully automatic operation

The ABB OTM80E4C3D220C is a 4‑pole motorized change‑over and transfer switch designed to transfer electrical loads between two independent AC power sources (for example, between utility mains and a backup generator) in three‑phase low‑voltage power systems. It belongs to ABB’s OTM series of motorized transfer switches, which are used to provide automatic and manual switching of power sources while ensuring safe isolation and continuity of service. The switch supports motorized automatic operation (when connected with an external control unit) as well as a manual override via a handle for local operation. Mechanical and electrical interlocks help prevent both power sources from being connected simultaneously, enhancing system safety.

The ABB OTM100F4C12T380C is a 4‑pole motorized change‑over and automatic transfer switch (ATS) designed to automatically switch electrical loads between two independent AC power sources (such as utility mains and a backup generator) in three‑phase low-voltage distribution systems. It supports motorized automatic operation and manual override via a handle. Mechanical interlocks ensure safe isolation of the two power sources, preventing simultaneous connection. The switch is suitable for industrial and commercial installations where continuity of power is critical.

The ABB OTM63E4C3D220C is a 4‑pole motorized change‑over and automatic transfer switch (ATS) designed to automatically transfer electrical loads between two independent AC power sources (such as utility mains and a backup generator) in three‑phase low-voltage distribution systems. It provides both motorized automatic operation and manual override via a handle. Mechanical interlocks ensure safe isolation of the two power sources, preventing simultaneous connection. This switch is suitable for industrial and commercial installations where reliable continuity of power is required.

The ABB OTM40F4C21D380C is a 4‑pole motorized change‑over and automatic transfer switch (ATS) designed to automatically transfer electrical loads between two independent AC power sources (such as utility mains and a backup generator) in three‑phase low-voltage distribution systems. It provides both motorized automatic operation and manual override via a handle. Mechanical interlocks ensure safe isolation of the two power sources, preventing simultaneous connection. This switch is suitable for industrial and commercial installations where reliable continuity of power is required.