8LSA25.E5060D000-0 by B & R Automation

The 8LSA25.E5060D000-0 is a three-phase synchronous motor from B&R Automation, supplied within the 8LS Synchronous Motors series. Designed as a compact drive element, the unit converts electrical energy into precise rotary motion for automated axes, pick-and-place heads, and packaging spindles. Its standard 8LSA configuration, which omits reinforced bearings, favors low mass for high dynamic response, while the mounting flange allows direct coupling to machine frames.

At the mechanical interface, the flange measures 58 mm, which sets the bolt circle for rigid attachment and positions the shaft relative to adjoining components. During operation, the rotor can reach a rated speed of 6000 rpm, providing adequate headroom for fast indexing or continuous duties when paired with compatible inverters. Heat is removed through self-cooling, meaning the housing relies on free air circulation rather than external blowers or liquid jackets. Position feedback is delivered by an Optical EnDat encoder that transmits absolute data over a single-cable link; it supports a 13/12 bit resolution, so the drive receives 8192 single-turn positions and multi-turn position data. This arrangement lets the drive retain position information after power loss, which is useful on gantries with long travel distances.

Electrical terminations exit through an angled swivel connector that can be rotated to clear cable trays, and the mating connector keeps the enclosure sealed even though no oil seal is fitted. Communication follows EnDat 2.1, which is compatible with B&R servo drives that read this encoder protocol. Length code 5 is used for the active stack length associated with this frame. Because a holding brake is not present, applications needing static load support must use mechanical locks or drive torque. The smooth shaft simplifies coupling, and the absence of an oil seal reduces friction for high-speed work in clean, dry environments.