DKC21.3-100-7-FW

DKC Drive Controllers

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The DKC21.3-100-7-FW drive controller from Bosch Rexroth Indramat is part of the DKC Drive Controllers series. It delivers a rated current of 100 A with a DC-bus nominal voltage of 700 V, accepts a mains input of 3×AC 380–480 V, and operates at 50/60 Hz. It tolerates up to 90% relative humidity and degree of contamination 2. It also withstands storage and transport temperatures from -20 to +80°C.

Technical Specifications

Absolute Humidity Max
25 g/m³

Ambient Temp Max
+45 °C

Ambient Temp Min
+5 °C

Continuous Current (4 Khz)
40 A

DC-bus nominal voltage
700 V

Degree Of Protection
IP20

Design
3

Design Version
3

Device Power Dissipation (pv)
420 W

Installation Altitude Max
1000 m

Interface Option
21

Max Output Frequency (8 Khz)
800 Hz

Peak Current (ipeak1)
100 A

Product Type
EcoDrive

Rated Current
100 A

Relative Humidity Max
95%

Series
21

Shock (half Sine)
15 g / 11 ms

Soft-start Resistor
24 Ω

Soft-start Resistor Power
0.5 kW

Zks Brake Resistor
6 Ω

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Internal Product Review

The DKC21.3-100-7-FW from Bosch Rexroth Indramat is a robust drive controller designed with a DC-bus nominal voltage of 700 V. It supports 3 × AC 380 – 480 V mains input, tolerates up to 90 % relative humidity, and functions across -20 to +80°C storage range. This controller delivers a rated current of 100 A.