NAM04.1-480-0450-NN

The NAM04.1-480-0450-NN from Bosch Rexroth Indramat is a robust member of the NAM Power Line Form Modules family, engineered for high-demand industrial automation. This module accepts a three-phase 380-460V AC input and delivers a regulated DC bus output of 300V. It incorporates a heavy-duty choke terminal 1L+ / 2L+ and standard output terminals U2-V2-W2 to ensure reliable connection to downstream drives. The design emphasis on compactness and durability makes it an ideal choice for both new installations and retrofits in factory automation environments.

Featuring a nominal current rating of 450 A, the NAM04.1-480-0450-NN provides a continuous mechanical power handling capability of 11.2 / 24 kW and a DC bus continuous power capacity of 14 / 30 kW. Regeneration is managed internally, with continuous regenerated power of 20 kW and peak regenerated power of 40 kW safely absorbed by a built-in bleeder resistor. Thermal management relies on a dedicated heat sink augmented by forced convection cooling via an integrated fan, maintaining operational stability up to +55 °C ambient (with derating). The module’s electrical interface is further secured by the robust choke terminals, and its mechanical footprint allows straightforward cabinet integration at altitudes up to 4000 m.

Integration of the NAM04.1-480-0450-NN into Bosch Rexroth’s modular Indramat AC drive architecture streamlines commissioning through plug-and-play connectivity with KDV line connection and drive modules. The self-contained regeneration and advanced thermal controls enhance system reliability, reducing downtime in continuous-duty applications. Ideal for demanding servo and inverter installations, this power line form module delivers high efficiency, precise DC bus regulation, and seamless interaction with multi-axis drive networks.