Details

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The ABM/Precima PMG 500‑S is a fast‑switching brake rectifier designed for electromagnetic spring brakes, offering short release times and low power losses. Related models include PMG 480‑S, PMG 400, and PMG 500 variants with different voltage ranges.

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📌 PMG 500‑S Overview

• Manufacturer: Precima / ABM Drive Technology
• Type: Fast‑switching brake rectifier
• Input Voltage: AC 215–500 V, 50/60 Hz
• Output Voltage: 0.9 × Uin (DC holding) / 0.45 × Uin (DC release)
• Application: Electromagnetic spring brakes, double rotor brakes, and other industrial motor brakes requiring precise and fast control
• Advantages:
  • Combines benefits of half‑wave and bridge rectifiers
  • Short brake release times
  • Reduced power losses
  • Compact and robust design

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⚡ Related Models in the PMG Series

Model	Input Voltage Range	Output Characteristics	Key Use Case
PMG 500‑S	215–500 VAC	0.9/0.45 × Uin DC	Fast switching, wide input range
PMG 480‑S	200–480 VAC	Similar fast‑switching design	Optimized for 480 V systems
PMG 400	200–400 VAC	Standard rectifier	For mid‑range voltage brakes
PMG 500	215–500 VAC	Conventional rectifier	General brake rectification

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🚀 Applications

• Industrial drives & motion control (ABM, Watt Drive, Precima systems)
• Electromagnetic spring brakes in hoists, cranes, elevators
• Servo and geared motors requiring precise braking
• Automation systems where fast brake release improves cycle times