Braking Devices AC-VersiBrake 230/400-6/25/30L (LP)

Braking Devices AC-VersiBrake 230/400-6/25/30L (LP)


  • • start braking via detection of motor voltage and via motor contactor (double safety)
  • • overload protection
  • • braking current cutoff after motor standstill
  • • braking current control
  • • automatic remanence time optimization
  • • braking current infinitely adjustable 10-100%
  • • potential-free output for motor contactor interlocking during braking; also usable to energize the star contactor during braking
  • • standstill threshold adjustable; individual adaptable to different motor types


  • • DC braking with one-way rectification
  • • suitable for all asynchronous motors and for mono phase motors
  • • controlled by microcontroller
  • • easy mounting, also for retrofitting into existing plants
  • • wear-resistant and maintenance-free
  • • integrated braking contactor
  • • printed circuit-board version with fault signalling contact
  • • for snap-on mounting onto 35mm DIN rail
  • • degree of protection: case version IP 20, printed circuit-board version (LP) IP 00
  • • meets trade assoc. requirements for category 2 acc. to EN 954-1 acc. to the test principles of woodworking machines GS-HO-01

Typical Applications:

  • • sawing machines
  • • centrifuges
  • • wood working machines
  • • textile machines
  • • conveying systems



Type designationAC-VB 230-6LAC-VB 230-25LAC-VB 230-30LAC-VB 400-6LAC-VB 400-25LAC-VB 400-30L
Mains voltage Acc. to DIN EN 50160 (IEC 38) 220/240V ±10% 50/60Hz380/415V ±10% 50/60Hz
Power draw of electronics3 VA
Recommended for rated motor currents up to0,3...З А2...12,5 A2...15 A0,3...З А2...12,5 A2...15 A
Rated device current6 A25 A30 A6 A25 A30 A
max. Braking frequency at a braking time of 5s1/8 s1/60 s1/90 s1/8 s1/60 s1/90 s
I2t-value of power semiconductors A2s 1250 А2s1350 А2s310 А2s1250 А2s1350 А2s
Braking voltage0 ... 110VDC0 ... 220VDC
max. Braking time12 s
Contact rating (control relay)3A/250VAC; 3A/30VDC
Delay time for reduction of residual e.m.f.Self-optimizing in the range between 0,2 … 2s
max. Cross-sectional area for connection2 x 2,5mm2 per terminal
Ambient / Storage temperature0 °C...45 °C/-25 °C...75 °C
Weight / kg0,6
Order number case version (L)2B000.230062B000.230252B000.230302B000.400062B000.400252B000.40030
Order number printed circuit-board version (LP)2B100.230062B100.230252B100.230302B100.400062B100.400252B100.40030

Connection Diagram:

Functional description:

* Connection of X3, X4 will only be needed if double security for the start of braking is required.
** Connection of 6T3 is only necessary with very short standstill times of motor (<3s). If 6T3 is not connected and a motor standstill is detected within 3s, the braking current is switched off after the security time. Therefore a failure is monitored.

Subject to change without notice.

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