Enclosed automatic transfer switch OXB315 315A 3-pole

The OXB315E3S4Q54B is an enclosed automatic transfer switch designed to facilitate seamless transitions between power sources, ensuring reliable delivery of critical power. This unit combines the TruONE switch and controller into an integrated solution, conforming to IEC 60947-6-1 standards for dependable operation under demanding conditions. With a rated operational current of 315 A (AC-31B, AC-32B, AC-33B) and a voltage range of 200–480 V AC, it meets the needs of varied industrial applications where uninterrupted power is essential.

 

Constructed with a durable steel sheet enclosure rated at IP54 for protection against dust and water ingress, it also supports a pollution degree rating of 3 per IEC 60529. Its compact design features dimensions of 610 mm (width), 810 mm (height), and 300 mm (depth), with bottom cable entry positions for streamlined installation.

 

Key attributes include four poles with simultaneous switching functionality on both left and right sides, a delayed transition type, bolt terminals for connection integrity, and direct-mounted handle operation. The device demonstrates robust performance capabilities such as a short-time withstand current rating of up to 25 kA at 0.3 s and insulation voltage rated up to 1000 V.

 

Engineered with advanced level-4 touch-type controllers for high precision in monitoring and control tasks, this product offers flexible integration into complex electrical systems while achieving optimal thermal performance even in fully enclosed environments. Suitable across industries including infrastructure development, oil & gas operations or manufacturing facilities—this device underscores reliability in mission-critical scenarios where continuous load management is required.