BONFIGLIOLI Vectron ACTIVE CUBE Série Guide Rapide page 82

4.2.5 ACU410 (75.0...160.0 kW)
Mains connection
GB
Motor connection
Connection of brake resistor with temperature switch
Optionally, devices of this size are available without brake chopper.
These devices are designed without connecting terminals for the
braking resistor.
80 Quick Start Guide ACU 10/18