Overview
APC by Schneider Electric WSTS400-630A-SPL1 Concise Descriptor Overview The APC by Schneider Electric WSTS400-630A-SPL1 is a static transfer switch (S…
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Overview
Questions about this product? Free pre-sales support from a senior specialist — product questions, compatibility checks, BOM quotes, price confirmation — typically answered within one business day. Need camera placement or system design work? Engineering time is $175 per hour (qty 1 = 1 hour). Hardware buyers get up to one hour ($175) credited back on their order.
The APC by Schneider Electric WSTS400-630A-SPL1 is a static transfer switch (STS) designed for mission-critical applications requiring uninterrupted power. This unit provides rapid, seamless power source switching for sensitive loads, ensuring continuous operation during utility failures or planned maintenance. It's engineered for environments where downtime is not an option, such as data centers, telecommunications facilities, or industrial automation control systems. The WSTS400-630A-SPL1 model supports 400-630A current ratings across 3 or 4 poles, offering robust power handling for high-demand infrastructure.
This static transfer switch is designed to integrate with APC's MGE STS Upsilon series power distribution units and compatible uninterruptible power supplies (UPS). It is intended for use with systems requiring dual power feeds from separate sources (e.g., two utility feeds or a utility and a UPS) to protect a single load. Specific compatibility should be verified against the power requirements and input voltage of the protected equipment and the specifications of the upstream power sources.
Installation requires qualified electrical personnel familiar with high-current power systems. Ensure upstream and downstream circuit breakers are properly rated and de-energized before commencing work. Torque specifications for terminal connections must be strictly adhered to, as specified in the manufacturer's installation manual, to prevent overheating and ensure reliable contact. Proper grounding is mandatory for safety and operational integrity. The unit requires adequate ventilation and clearance as per Schneider Electric guidelines to maintain optimal operating temperature.
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