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ACS880-607LC Liquid-Cooled Brake Chopper Unit

Brand: ABB Group

Brake unit is used for resistor braking. It handles the energy generated by decelerating motors for example in emergency stopping. Whenever the voltage in the common DC bus exceeds a certain limit, a braking chopper connects the bus to a braking resistor. Offering includes 1-phase brake unit and 3-phase dynamic brake unit (DBU) which utilizes R8i modules.

Two different braking concepts. The main difference between the concepts is controllability:
  • One-phase brake chopper, on-off controlled (no modulation), brake current depends only on the resistance of the brake resistor. Compact and cost efficient. Used mostly in single drives.
  • Three-phase brake unit with modulating control. Brake current/power is controlled. Used mostly in multidrives.
Features
  • Compact
  • Easy installation
  • High instantaneous braking capability
  • Designed for both single drive configurations and common DC bus drives
  • Customized product that fullfills your needs

Specifications

Brand

Voltage & Power Range

  • Mains: 19 to 714 kW
  • Motor: 3-phase output voltage 0 to UN3 /UN5 /UN7
  • Mains: 3-phase, UN7 525-690 V, +10%/-10%

Frequency

  • Motor: 0 to ±598 Hz
  • Mains: 50/60 Hz ±5%

Motor Control

  • Direct torque control (DTC)

Storage / Transport Temperature

  • -40° to 70° C

Operating Temperature

  • 0° to 45° C, no frost allowed
  • 45° to 55° C with derating of 0.5%/1° C

Certifications & Approvals

  • cULus, CSA
  • RoHS
  • TÜV
  • RCM, EAC
  • EMC
  • CE
  • LVD

Environmental Protection

  • IP54
  • IP42
  • IP22

Humidity

  • 5% to 95% RH, no condensation

Altitude

  • 0 to 1,000 m, without derating
  • 1,000 to 4,000 m, with derating of 1%/100 m

Cooling Type

  • Direct liquid-cooling, coolant Antifrogen® L

Documentation

Brochure

Catalog

Certificate

Manual

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