HNL05.1R-0043-N0514-N-A4-NNNN
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MPN: R911345500
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The HNL05.1R-0043-N0514-N-A4-NNNN mains choke offers a rated power of 4.3 kW, a rated current of 10.5 amps, operates at 1500 rpm, and is protected with an IP54 rating. Designed as part of the HNL Mains Chokes series by Bosch Rexroth Indramat, it features self-ventilated cooling and operates at a voltage of 3 x 380-480 V.
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Product Description:
The Bosch Rexroth Indramat’s uniquely manufactured HNL05.1R-0043-N0514-N-A4-NNNN Choke is used to support high energy power systems within heavy industries. This choke is applicable with a mains connecting voltage of 3 x AC 380 V -15% to 500 V +10% so that it could easily be installed on various power supply networks.
This mains choke has a rated current of 514 A and is suitable when high-power drive systems are involved and large currents are expected. This choke has an IP00 protection grade, which indicates that it is open and must be mounted in a closed control cabinet to guarantee safe operation. This choke’s nominal inductance of 43 µH plays a crucial role in suppressing high-frequency noise and stabilizing currents, as it limits current peaks to a level that protects downstream equipment. The construction material of the HNL05.1R-0043-N0514-N-A4-NNNN choke consists of a copper-wound steel core, which provides both mechanical strength and high electrical conductivity. This steel core offers a robust magnetic path for inductance, and the copper windings provide low resistance along with effective energy transfer.
The power dissipation in air is rated at 400 W to ensure this choke can handle thermal loads generated during prolonged operation. The maximum ambient temperature limit of 40°C ensures that this choke operates safely within industrial environments where temperature control is critical. The 3% or 5% impedance rating provides user-selectable voltage drop characteristics and allows users to have control over the impact of the choke on system impedance. The HNL05.1R-0043-N0514-N-A4-NNNN also includes built-in power transient protection to provide further protection during instantaneous voltage spikes or load switch-on conditions. The total weight of 50 kg for this choke demands suitable mounting support due to its heavy-duty construction.
Frequently Asked Questions about HNL05.1R-0043-N0514-N-A4-NNNN:
Q: How does the 43 µH inductance in HNL05.1R-0043-N0514-N-A4-NNNN improve system performance?
A: It limits high-frequency interference and controls current ripple in the power line. This helps protect sensitive components downstream.
Q: Why is a steel core used in the construction of this mains choke?
A: The steel core provides high magnetic permeability. This ensures stable inductance under heavy load conditions.
Q: What is the benefit of copper coils in the HNL05.1R-0043-N0514-N-A4-NNNN?
A: Copper coils reduce internal resistance and improve electrical efficiency. This supports better thermal management during operation.
Q: How does the 3% or 5% impedance level affect voltage drop?
A: A higher impedance option increases voltage drop, improving harmonic filtering. The lower setting offers minimal loss but less filtering capacity.
Q: Why is the IP00 protection level important for the HNL05.1R-0043-N0514-N-A4-NNNN?
A: The IP00 rating requires installation inside an enclosure. This protects the choke from dust, accidental contact, and environmental factors.
