HLB01.1D-02K0-N03R4-A-007-NNNS
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MPN: R911333209
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The HLB01.1D-02K0-N03R4-A-007-NNNS resistor brake unit features a rated current of 2 amps, a rated voltage of 3 x AC 380...480 V, a panel mount configuration, and a protection class of IP20. Manufactured by Bosch Rexroth Indramat as part of the HLB Resistor Brake Units series, it supports CE and cULus approvals.
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Product Description:
HLB01.1D-02K0-N03R4-A-007-NNNS is a DC bus resistor that is used with Bosch servo drives deployed for general automation, machine tools, and printing applications. It provides short circuit protection by allowing a quick discharge of the DC bus. The resistor also helps to increase the continuous and peak regenerative power of the servo drive. Main technical specifications for the unit include 2 kilowatts nominal power, 3.4 Ohms resistance, 700 Volts DC nominal bus voltage, and 400 millimeters mounting depth. The resistor supports a safety related stopping process. Protection class of the unit is IP20. This means that until installed inside a cabinet, the resistor is not suited to outdoor use. For transport, Bosch recommends -25 to 70 degrees Celsius ambient temperature and 5 to 95% relative humidity.
For resistor storage, Bosch recommends -25 to 55 degrees Celsius ambient temperature and 5 to 95% relative humidity. The ambient temperature for unit operation is from 0 to 40 degrees Celsius. Nominal data applies when the site elevation is up to 1000 meters. The maximum altitude permitted is 4000 meters with derated data. The HLB01.1D-02K0-N03R4-A-007-NNNS resistor can accept a 24 Volts DC control voltage. This voltage must be supplied by a control power transformer or power supply with PELV protection. The input voltage can range from 254 to 750 Volts DC, and must not exceed the upper threshold, which is 820 Volts DC. Connection of resistors in parallel leads to 20% derating. Bosch recommends using touch guards after establishing electrical connections. Only undamaged touch guards should be used. Cutouts on the touch guard should be as small as possible. The recommended tightening torque for touch guard screws is 2.8 Nm.
Frequently Asked Questions about HLB01.1D-02K0-N03R4-A-007-NNNS:
Q: Where is the resistor used?
A: The resistor is used with a compatible servo drive.
Q: What is the braking resistor threshold?
A: The braking resistor threshold is 820 Volts DC.
Q: What is the location of the ground connection?
A: The ground connection is located at the front side near the bottom.
Q: What is the maximum tightening torque for power terminals.?
A: The maximum tightening torque for power terminals is 6.5 Nm.
Q: What is the protection rating of the resistor?
A: Protection rating of the unit is IP20.
