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Sinustek
Delta VFDB

Delta VFDB4030 braking unit 30 kW 400 V

Delta external braking unit (brake chopper) for 380–480 V drives with motors up to 30 kW. It connects to the drive's DC +(P)/−(N) terminals and routes braking energy into Delta BR resistors. Several units can run in parallel (master/slave).

VFDB4030

Price and stock

On order
€254.00incl. VAT

Çmimet përfshirë 18% TVSH

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We help you choose the right model. Original Delta product.

Specifications

Specifications
Input voltageDC: 400–800 V DC
Ratings by dutyMax. motor: 30 kW (460 V class)
Inputs and outputsAlarm output: Relay contact 5 A 120 V AC / 28 V DC (RA, RB, RC); heat-sink overheat > 95 °C
EnclosureWall-mounted, enclosed, IP50
Operating temperature−10 … +50 °C
Other detailsMax. discharge current (10% ED): 40 A; Continuous discharge current: 15 A; Min. equivalent resistance: 20 Ω; Braking start-up voltage: 660/690/720/760/800/830 V DC ±6 V (jumper-selected for 380–480 V AC mains); Certifications: UL, cUL
Warranty1 year
Country of originTaiwan

Features

  • 460 V models for 30 kW, 45 kW and 110 kW motors
  • Braking start-up voltage selected by jumper for 380–480 V AC mains
  • Master/slave function for parallel connection of several units
  • Relay alarm output for overheating
  • Wall-mounted, enclosed housing
  • VFDB4030/4045 UL/cUL approved

Delta VFDB braking units are external brake choppers for Delta drives without a built-in chopper or that need more braking power. They connect to the drive's DC bus and always work with Delta BR resistors. Typical uses are hoists, centrifuges, conveyors and high-inertia loads.

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