B&R Industrial Automation: Frequency inverters in book form

With an installation width of 45 mm (up to 1.5 kW) and 60 mm (up to 4 kW), these devices can save space when installed in the control cabinet. 

Features integrated safety functions (STO, SLS, SS1) for SIL 2/3, and applications in accordance with IEC 61508, or PL d/e in accordance with ISO 13849. Also features a large number of inputs/outputs, plug-in motor and brake connections, and an integrated EMC filter.

Integrated safety functions include:  STO (Safe Torque Off), SLS (Safely Limited Speed) and SS1 (Safe Stop 1). Depending on the configuration and wiring of the frequency inverter, the safety functions achieve SIL 2 or SIL 3 in accordance with IEC 61508 and PL d or PL e according to ISO 13849.