BTA20.3
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The BTA20.3 rectifier module features a chassis mount design, an average forward output current of 20 amps, a maximum repetitive peak reverse voltage of 800 volts, and a peak surge current of 220 amps. Part of the BTA20 Machine Control Boards series by Bosch Rexroth Indramat, it operates within a temperature range of -40°C to +150°C.
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Product Description:
The BTA20.3 from Bosch Rexroth Indramat belongs to the BTA20 series of machine control board components. Built in a module-style chassis mount format, this three-phase bridge rectifier is used for dependable power conversion in industrial control systems. The design supports screw-type terminals for easy installation and maintenance during system upgrades or replacements. The entire unit weighs roughly 120g, which keeps it light enough for flexible integration but still solid in handling high-voltage conditions.
Rated with a maximum repetitive peak reverse voltage of 800 V, this module holds up well under voltage spikes. The insulation strength is tested at 2500 V RMS, offering solid protection between internal paths. Under normal operation, the module supports an average forward output current of 20 A and tolerates a peak surge current of 220 A—useful for startup conditions or sudden load changes. Voltage drop is controlled at 1.15 V per diode, helping reduce excess heat during continuous conduction cycles.
The module’s body measures 94 mm x 34 mm x 30 mm and keeps a standard polarity configuration for straightforward system matching. Built to operate inside a range of -40°C to +150°C, it’s able to withstand cold storage environments and high-temperature industrial cabinets without degrading. The leakage current is kept to a max of 10 µA, staying within safe margins for sensitive circuits. When matched with properly rated surrounding components, the BTA20.3 performs consistently over long runtime periods, making it a reliable part in rectifier stacks or motor drive assemblies. Its layout, electrical toughness, and minimal footprint all make it well-suited for demanding control panel builds and conversion systems under tight thermal and mechanical constraints.
Frequently Asked Questions about BTA20.3:
Q: What is the insulation voltage of the BTA20.3 rectifier module?
A: The BTA20.3 rectifier module features an insulation voltage of 2500 V RMS.
Q: What is the operating temperature range for the BTA20.3 rectifier module?
A: The BTA20.3 rectifier module operates within a temperature range of -40°C to +150°C.
Q: What is the average forward output current supported by the BTA20.3 rectifier module?
A: The BTA20.3 rectifier module supports an average forward output current of 20 A.
Q: What is the mounting style of the BTA20.3 rectifier module?
A: The BTA20.3 rectifier module has a chassis mount design.
Q: What is the peak surge current rating of the BTA20.3 rectifier module?
A: The BTA20.3 rectifier module has a peak surge current rating of 220 A.
