Technical Parameters
Specification Typical Value / Description
Product Type Compact Automatic Transfer Switch (ATS) / Motorized Change‑Over Switch
Model / Variant OTM_C10D (fixed delay automatic change‑over variant)
Function Automatic switching between two independent power sources
Application Three‑phase low‑voltage systems (network/network or network/generator)
Operating Modes Automatic motorized operation and Manual override
Transition Type Open transition (standard change‑over)
Voltage Monitoring Built‑in sensing for line availability
Manual Operation Handle provided for local manual change‑over
Control Interface Terminal connections for control and auxiliary signals
Typical System Voltage Range Suitable for standard low‑voltage three‑phase (e.g., 380–415 V)
Motor Supply Voltage Typically matched to system (e.g., 380 V AC)
Compact Form Factor Designed for panel or enclosure mounting
Auxiliary Outputs Switch position and alarm signals available
Operation Delays Fixed (non‑adjustable) for transfer and return in the C10D variant
Manual Override Option Provided via removable handle
Safety Isolation Interlocking prevents both sources from paralleling
Typical Uses Backup power switching in industrial, commercial, and infrastructure systems
ABB OTM_C10D is a compact automatic transfer switch (ATS) / motorized change‑over switch module designed for automatic or manual switching between two power sources in low‑voltage electrical systems. It is part of ABB’s OTM_C_D compact ATS product family, typically used in applications where continuity of supply between a normal (utility) source and an alternate (e.g., generator) source is required.