Brake Modules

Brake modules are devices used to quickly and efficiently bring a machine to a controlled stop. They inject a direct current into the winding of an AC motor after the AC voltage is disconnected, which neutralises the electromagnetic field, stopping the motor from rotating. This works to actively stop the machine, rather than letting it coast to a halt. Brake modules can be located on or next to the piece of machinery they are controlling.




What are brake modules used for?


Brake modules can be used as an alternative to the friction braking system. When power is disconnected from a motor without a brake module, the rotor will spin until friction slows it down. With large rotors, this can be a significant amount of time. Brake modules improve safety and allow for better control when you need to stop machinery swiftly, in an emergency for example. 




Types of brake modules


Brake modules can differ depending on their power rating and supply voltage, as well as their response time. The type of brake module you select will depend upon how quickly you need the machine to stop once the instruction has been given.


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Description Price Phase Starter Included Power Rating Supply Voltage Response Time Injection Time Enclosure Size IP Rating Braking Torque Enclosure Length Enclosure Width Enclosure Depth Minimum Operating Temperature Maximum Operating Temperature
RS Stock No. 209-6384
BrandRS PRO
HK$1,426.02
Each
units
3 Yes 2.2 kW 380 → 415 V ac 0.6 s - - - Yes - - - - -
RS Stock No. 806-5279
Mfr. Part No.BA9034N 25A AC50/60Hz 400V 2-11s
BrandDold
HK$2,246.13
Each
units
1, 3 Yes 2 kW, 7.5 kW 400 V ac - - 45 x 73 x 122mm IP20, IP40 - 45mm 73mm 122mm 0°C +45°C
RS Stock No. 447-7410
Mfr. Part No.3DCM1ELS
HK$5,382.00
Each
units
3 - 5.5 kW 400 V - 0.5 → 25 s 184 x 184 x 149mm IP55 - 184mm 184mm 149mm - -
RS Stock No. 209-6407
BrandRS PRO
HK$1,949.41
Each
units
3 Yes 5.5 kW 380 → 415 V ac 0.6 s - - - Yes - - - - -
RS Stock No. 447-7404
Mfr. Part No.3DCM1EKS
HK$5,076.00
Each
units
3 - 4 kW 400 V - 0.5 → 25 s 184 x 184 x 149mm IP55 - 184mm 184mm 149mm - -
RS Stock No. 447-7426
Mfr. Part No.3DC2EMS
HK$6,719.15
Each
units
3 Yes 7.5 kW 415 V ac - 0.5 → 25 s 305 x 285 x 159mm IP55 - 305mm 285mm 159mm - -
RS Stock No. 447-7432
Mfr. Part No.3DC3ENS
HK$6,849.00
Each
units
3 Yes 11 kW 415 V ac - 0.5 → 25 s 305 x 285 x 159mm IP55 - 305mm 285mm 159mm - -
RS Stock No. 240-9156
Mfr. Part No.AR9021 16A AC50/60Hz400V 20s
BrandDold
HK$3,922.86
Each
units
3 Yes 4 kW 400 V ac - - - IP30 - - - - -20°C +55°C
RS Stock No. 784-0830
Mfr. Part No.6SL3201-2AD20-8VA0
BrandSiemens
HK$934.72
Each
units
3 - - 200 → 240 V ac, 380 → 480 V ac - - - - - - - - - -
RS Stock No. 806-5260
Mfr. Part No.BA9034N 10A AC50/60Hz 400V 2-11s
BrandDold
HK$2,047.52
Each
units
1, 3 Yes 2 kW, 7.5 kW 400 V ac - - 45 x 73 x 122mm IP20, IP40 - 45mm 73mm 122mm 0°C +45°C
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