KDV 1.3-100-220-300-W1 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat KDV 1.3-100-220-300-W1 is part of the KDV Supply Modules series and has a power rating of 30 kW with an input voltage of 220 V AC. This supply module features a peak current of 300 Amps, a rated current of 100 Amps, and uses an external fan unit for cooling. The unit weighs 21 kilograms, provides a DC bus voltage of 300 V DC, and has a protection rating of IP10.
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Product Description:
The KDV 1.3-100-220-300-W1 is a supply module produced by Bosch Rexroth Indramat for the KDV Supply Modules series. Designed for mounting in a drive cabinet, it rectifies incoming AC power, maintains the shared DC bus for multiple servo inverters, and dissipates excess energy returned during braking events. By performing these tasks, it helps maintain stable voltage, coordinated power distribution, and controlled energy feedback within industrial automation cells that rely on high-performance motion control. It is commonly used in packaging, printing, and assembly lines where numerous axes accelerate and decelerate continuously.
The module accepts an input of 220 V AC and delivers a nominal bus current of 100 A, supporting aggregate motion loads up to a power rating of 30 kW. Internally, a three-phase rectifier and smoothing capacitors establish the bus at 300 V DC, while an integrated external fan unit moves cooling air across the heat sinks. Short-duration transients are handled by a permissible peak current of 300 A, allowing rapid motor accelerations without voltage collapse. The control electronics draw 500 VA from the auxiliary supply, and the dedicated blower consumes an additional 15 VA. These values separate the control-supply demand from the cooling load inside the cabinet and help keep auxiliary power allocation clear.
Thermal management centers on the bleeder resistor set. It can absorb a continuous 2 kW of regenerated power and tolerate peaks up to 40 kW without tripping, while the overall bus can receive as much as 60 kWs of feedback energy from simultaneous drive braking. Under steady operation, the supply contributes 150 W of cabinet heat loss, and the airflow removes a further 2000 W to limit internal temperature rise. The fan assembly weighs 2.5 kg, and the 21 kg module frame affects panel support requirements. An enclosure rating of IP10 indicates finger-safe openings and the need for installation in a protected electrical cabinet.
